In 2023, Dr. John R. Amrien, MD had a list price for blood tests, diabetes screening, flu shot, flu vaccine, immunization (preventive vaccines), nursing home care, and vaccines that was lower than the list prices billed to Medicare by 95% of providers in related specialties within New Jersey. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Affordability:

blood glucose tests

fasting blood glucose test

glucose tests

lab tests

In 2013, Dr. John R. Amrien, MD had a list price for blood glucose tests, fasting blood glucose test, glucose tests, and lab tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within New Jersey. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2013 were lab tests, nursing home care, preventive care and inpatient care.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

abdominal imaging	12
abscess drainage	12
aspiration	117
breathing treatment	20
cardiac procedures	31
diabetes management	134
doctor visit	3105
ear procedures	16
hip imaging	25
hormone therapy	154
hospital care	321
incision and drainage	12
injections	296
inpatient care	321
lab tests	2106
manual therapy	43
minor procedures	25
musculoskeletal imaging	40
nursing home care	1203
pain management	25
preventive care	946
removal of lesion (e.g. growth)	29
skin procedures	29
skin surgery	12
spinal procedures	36
stress testing	19
thoracic (chest) imaging	166
ultrasound (sonogram)	98
vaccines	171
vascular procedures	55
wound repair (e.g. stitches)	13
X-rays	255

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	238
Female	360

**Ethnicity**
Non-Hispanic White	543
Black	42
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	179
85 and over	96
Less than 65	87

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2013

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2013 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	38
Stroke	6
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	17
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	16
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2014 were lab tests, preventive care, nursing home care and inpatient care.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

abdominal imaging	19
aspiration	93
breathing treatment	16
cardiac procedures	12
diabetes management	154
doctor visit	3186
hip imaging	18
hormone therapy	16
hospital care	288
injections	133
inpatient care	288
lab tests	1660
minor procedures	15
musculoskeletal imaging	18
nursing home care	655
pain management	24
preventive care	973
removal of lesion (e.g. growth)	11
skin procedures	11
spinal procedures	21
thoracic (chest) imaging	93
ultrasound (sonogram)	31
vaccines	211
wound repair (e.g. stitches)	15
X-rays	132

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	241
Female	381

**Ethnicity**
Non-Hispanic White	553
Black	54
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	169
85 and over	105
Less than 65	91

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2014

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2014 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	71
High Cholesterol	42
Stroke	8
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	12
Asthma	7
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2015 were lab tests, nursing home care, preventive care and inpatient care.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

abdominal imaging	14
aspiration	31
breathing treatment	23
cardiac procedures	13
diabetes management	154
doctor visit	3194
ear procedures	15
hip imaging	19
hospital care	376
injections	31
inpatient care	376
lab tests	1515
minor procedures	14
musculoskeletal imaging	34
nursing home care	959
preventive care	828
spinal procedures	12
thoracic (chest) imaging	82
ultrasound (sonogram)	27
vaccines	161
wound repair (e.g. stitches)	14
X-rays	128

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	496
Female	826

**Ethnicity**
Non-Hispanic White	1160
Black	118
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	598
From 75 to 84	344
85 and over	218
Less than 65	162

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2015

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2015 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	72
High Cholesterol	40
Stroke	7
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	15
Asthma	10
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2016 were lab tests, nursing home care, preventive care and inpatient care.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

abdominal imaging	12
aspiration	45
breathing treatment	20
cardiac procedures	32
diabetes management	173
doctor visit	3581
ear procedures	11
hospital care	426
injections	45
inpatient care	426
lab tests	1660
minor procedures	19
nursing home care	1092
preventive care	951
removal of lesion (e.g. growth)	18
skin procedures	18
spinal procedures	16
thoracic (chest) imaging	75
ultrasound (sonogram)	91
vaccines	171
vascular procedures	47
wound repair (e.g. stitches)	19
X-rays	91

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	234
Female	391

**Ethnicity**
Non-Hispanic White	557
Black	52
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	150
85 and over	109
Less than 65	74

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2016

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2016 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	70
High Cholesterol	39
Stroke	4
Ischemic Heart Disease	33
Depression	17
Chronic Kidney Disease	22
Asthma	17
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	18
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2017 were nursing home care, lab tests, preventive care and inpatient care.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

abdominal imaging	16
aspiration	60
breathing treatment	20
cardiac procedures	20
diabetes management	141
doctor visit	3004
ear procedures	19
hospital care	289
injections	60
inpatient care	289
lab tests	1087
nursing home care	1370
preventive care	724
removal of lesion (e.g. growth)	15
skin procedures	15
thoracic (chest) imaging	52
ultrasound (sonogram)	73
vaccines	173
vascular procedures	37
X-rays	52

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	225
Female	373

**Ethnicity**
Non-Hispanic White	535
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	276
From 75 to 84	158
85 and over	98
Less than 65	66

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2017

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2017 were hypertension, ischemic heart disease, high cholesterol and diabetes.

Hypertension	71
High Cholesterol	32
Stroke	4
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	4
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	18
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2018 were nursing home care, lab tests, preventive care and inpatient care.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

breathing treatment	19
cardiac procedures	17
diabetes management	153
doctor visit	2651
ear procedures	30
hospital care	277
inpatient care	277
lab tests	978
nursing home care	1189
preventive care	598
removal of lesion (e.g. growth)	20
skin procedures	20
ultrasound (sonogram)	34
vaccines	173
vascular procedures	17

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	233
Female	355

**Ethnicity**
Non-Hispanic White	529
Black	44
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	175
85 and over	95
Less than 65	0

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2018

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2018 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	74
High Cholesterol	35
Stroke	6
Ischemic Heart Disease	30
Depression	13
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	4
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	17
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2019 were nursing home care, lab tests, preventive care and hospital care.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

breathing treatment	29
diabetes management	111
doctor visit	2220
ear procedures	40
hospital care	262
inpatient care	262
lab tests	672
nursing home care	792
preventive care	390
vaccines	114

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	212
Female	302

**Ethnicity**
Non-Hispanic White	449
Black	48
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	136
85 and over	86
Less than 65	60

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2019

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2019 were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	71
High Cholesterol	35
Stroke	5
Ischemic Heart Disease	30
Depression	12
Chronic Kidney Disease	23
Asthma	4
Osteoperosis	4
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	14
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2020 were nursing home care, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

diabetes management	55
doctor visit	1975
ear procedures	26
hospital care	43
inpatient care	43
lab tests	299
nursing home care	588
preventive care	213
vaccines	92

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	196
Female	287

**Ethnicity**
Non-Hispanic White	424
Black	42
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	146
85 and over	73
Less than 65	52

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2020

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2020 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	66
High Cholesterol	32
Stroke	5
Ischemic Heart Disease	29
Depression	13
Chronic Kidney Disease	23
Asthma	3
Osteoperosis	4
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	14
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2021 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

cardiac procedures	13
diabetes management	58
doctor visit	1089
ear procedures	16
lab tests	324
nursing home care	592
preventive care	172
ultrasound (sonogram)	13
vaccines	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	167
Female	253

**Ethnicity**
Non-Hispanic White	377
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	132
85 and over	62
Less than 65	45

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2021

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2021 were hypertension, diabetes, high cholesterol and ischemic heart disease.

Hypertension	59
High Cholesterol	34
Stroke	4
Ischemic Heart Disease	29
Depression	15
Chronic Kidney Disease	25
Asthma	3
Osteoperosis	4
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	39
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2022 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

diabetes management	29
doctor visit	771
lab tests	114
nursing home care	715
preventive care	68

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	131
Female	201

**Ethnicity**
Non-Hispanic White	299
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	104
85 and over	53
Less than 65	34

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2022

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2022 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	75
High Cholesterol	53
Stroke	10
Ischemic Heart Disease	21
Depression	17
Chronic Kidney Disease	15
Asthma	7
Osteoperosis	5
Atrial Fibrilation	19
Heart Failure	14
Chronic Obstructive Pulmonary Disease	20
Diabetes	52
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ during 2023 were nursing home care, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

doctor visit	722
lab tests	14
nursing home care	870
preventive care	64
vaccines	50

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	138
Female	215

**Ethnicity**
Non-Hispanic White	317
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	124
85 and over	58
Less than 65	25

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2023

The most common conditions of Medicare patients that Dr. John R. Amrien, MD treated during 2023 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	74
High Cholesterol	52
Stroke	9
Ischemic Heart Disease	24
Depression	16
Chronic Kidney Disease	14
Asthma	8
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Dr. John R. Amrien, MD for Medicare patients.

The highest averages for the top procedures that Dr. John R. Amrien, MD treated as a family medicine practitioner in Salem, NJ were lab tests, nursing home care, preventive care and inpatient care.

abdominal imaging	14
abscess drainage	12
aspiration	69
cardiac procedures	19
diabetes management	116
doctor visit	2318
ear procedures	21
hip imaging	20
hormone therapy	85
hospital care	285
incision and drainage	12
injections	113
inpatient care	285
lab tests	948
manual therapy	43
minor procedures	18
musculoskeletal imaging	30
nursing home care	911
pain management	24
preventive care	538
removal of lesion (e.g. growth)	18
skin procedures	18
skin surgery	12
spinal procedures	21
stress testing	19
thoracic (chest) imaging	93
ultrasound (sonogram)	52
vaccines	133
vascular procedures	39
wound repair (e.g. stitches)	15
X-rays	131

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Dr. John R. Amrien, MD.

**Gender**
Male	228
Female	358

**Ethnicity**
Black / African American	47
Asian / Pacific Islander	0
Non-Hispanic White	522
Hispanic	2
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	165
85 and over	95
Less than 65	63
65 to 74	256

Average of Total of Conditions of Medicare patients treated by Dr. John R. Amrien, MD From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. John R. Amrien, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	70
High Cholesterol	39
Stroke	6
Ischemic Heart Disease	29
Depression	15
Chronic Kidney Disease	18
Asthma	7
Osteoporosis	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	32
Atrial Fibrillation	12
Dementia	14
Cancer	8

Education & Training

He has a state license in New Jersey.

Licensed In: New Jersey

Ratings & Reviews

Dr. John R. Amrien, MD has an average of 2.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. John R. Amrien, MD from all over the web to help you find the right in Salem, NJ.

Overall Rating

(2 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. John R. Amrien, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Abbott Laboratories	$1,579 Quadra Allure MP RF CRT Pacemkr $274	Assurity Pacemaker $268	CRT Leads $267	Unify Assura CRT Defibrillator $140	Axium Sheath Braided DRG $130	Other $500
St. Jude Medical, Inc.	$1,386 CRM $727	Ampere RF Ablation Generator $138	Allure $138	Electrophysiology $136	OptiSense $126	Other $121
Janssen Pharmaceuticals, Inc	$830 XARELTO $387	INVOKANA $255	INVOKAMET $152	OneTouch $36
Pfizer Inc.	$764 LYRICA $343	EUCRISA $97	ELIQUIS $93	CHANTIX $74	ABRYSVO $51	Other $105
Novo Nordisk Inc	$720 Saxenda $223	Tresiba $152	Ozempic $118	Xultophy 100/3.6 $74	Victoza $45	Other $108
Other	$4,692 FARXIGA $262	Contrave $175	REXULTI $167	BYSTOLIC $160	BREZTRI $158	Other $3,771

**Types of Payments**
Food and Beverage	$9,728
Education	$244

Biography

Dr. John Amrien sees patients in Salem, NJ. His medical specialty is family medicine. Dr. Amrien obtained a license to practice in New Jersey.

Select Year:

Dr. John R. Amrien, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John R. Amrien, MD in 2023

By Affordability:

By Affordability:

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Amrien, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Average Medicare Patient Data From 2013 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. John R. Amrien, MD From 2013 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

Family Physicians & Family Medicine Specialists in Nearby Locations

Other Providers in Salem, NJ