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Dr. Isao Iwata, MD

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Specializes in: Internal Medicine (Adult Medicine), Hospital Medicine (Hospitalist) and Geriatrics (Elderly Care)

360 Essex Street Suite 401
Hackensack, NJ 07601

(551) 996-1140

Dr. Isao Iwata, MD is an internist in Hackensack, NJ specializing in internal medicine (adult medicine), hospital medicine (hospitalist) and geriatrics (elderly care). Dr. Isao Iwata, MD is affiliated with Hackensack Meridian Health.

Office Locations

30 Prospect Avenue
Hackensack, NJ 07601

open_in_new

360 Essex Street Suite 401
Hackensack, NJ 07601

(551) 996-1140

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5 Plainsboro Road Suite 300
Plainsboro, NJ 08536

(609) 853-7272

(609) 853-7271

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Noteworthy Medicare Patient Procedures Performed by Dr. Isao Iwata, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

screening EKG

In 2024, Dr. Isao Iwata, MD performed more screening EKG procedures for Medicare patients than 95% of providers in related specialties within New Jersey.

Top 25%

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2012, Dr. Isao Iwata, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) 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

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

doctor visit	161

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

doctor visit	298
hospital care	205
inpatient care	205

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	96
Female	170

**Ethnicity**
Non-Hispanic White	210
Black	44
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	100
85 and over	108
Less than 65	0

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2013

Hypertension	75
High Cholesterol	52
Stroke	8
Ischemic Heart Disease	48
Depression	45
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	19
Atrial Fibrilation	15
Heart Failure	36
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	52
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2014 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

doctor visit	411
hospital care	105
inpatient care	93
outpatient care	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	100
Female	169

**Ethnicity**
Non-Hispanic White	218
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	91
85 and over	117
Less than 65	0

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2014

Hypertension	75
High Cholesterol	50
Stroke	11
Ischemic Heart Disease	46
Depression	43
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	20
Atrial Fibrilation	20
Heart Failure	34
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	45
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2015 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

doctor visit	497
hospital care	163
inpatient care	151
outpatient care	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	212
Female	448

**Ethnicity**
Non-Hispanic White	530
Black	108
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	230
85 and over	270
Less than 65	22

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2015

Hypertension	75
High Cholesterol	45
Stroke	10
Ischemic Heart Disease	39
Depression	42
Chronic Kidney Disease	40
Asthma	16
Osteoperosis	21
Atrial Fibrilation	23
Heart Failure	33
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	45
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

doctor visit	419
hospital care	142
inpatient care	142

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	100
Female	177

**Ethnicity**
Non-Hispanic White	236
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	115
85 and over	104
Less than 65	0

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2016

Hypertension	74
High Cholesterol	46
Stroke	8
Ischemic Heart Disease	39
Depression	44
Chronic Kidney Disease	39
Asthma	24
Osteoperosis	24
Atrial Fibrilation	21
Heart Failure	29
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	43
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

doctor visit	131
hospital care	186
inpatient care	186

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	87
Female	119

**Ethnicity**
Non-Hispanic White	124
Black	38
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	57
85 and over	36
Less than 65	35

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	54
Depression	37
Chronic Kidney Disease	50
Asthma	12
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	36
Chronic Obstructive Pulmonary Disease	18
Diabetes	45
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2018 were hospital care, inpatient care, nursing home care and preventive care.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

doctor visit	179
hospital care	183
inpatient care	183
nursing home care	20
preventive care	12
vaccines	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	109
Female	144

**Ethnicity**
Non-Hispanic White	162
Black	44
Hispanic	0
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	69
85 and over	65
Less than 65	39

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2018

Hypertension	75
High Cholesterol	65
Stroke	15
Ischemic Heart Disease	49
Depression	36
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	31
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	22
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2019 were hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

doctor visit	206
hospital care	186
inpatient care	186
nursing home care	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	112
Female	154

**Ethnicity**
Non-Hispanic White	164
Black	42
Hispanic	0
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	88
85 and over	67
Less than 65	42

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2019

Hypertension	75
High Cholesterol	61
Stroke	11
Ischemic Heart Disease	46
Depression	34
Chronic Kidney Disease	48
Asthma	13
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	34
Chronic Obstructive Pulmonary Disease	19
Diabetes	42
Dementia	27
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2020 were nursing home care.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

nursing home care	453

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	64
Female	83

**Ethnicity**
Non-Hispanic White	120
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	47
85 and over	41
Less than 65	14

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	73
Depression	62
Chronic Kidney Disease	69
Asthma	18
Osteoperosis	20
Atrial Fibrilation	28
Heart Failure	52
Chronic Obstructive Pulmonary Disease	28
Diabetes	50
Dementia	46
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2021 were nursing home care, blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

blood draw	86
doctor visit	211
nursing home care	203
preventive care	21
vaccines	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	123
Female	134

**Ethnicity**
Non-Hispanic White	179
Black	20
Hispanic	11
Asian	33
Other	14
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	99
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	43
Depression	29
Chronic Kidney Disease	37
Asthma	11
Osteoperosis	16
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	16
Diabetes	34
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2022 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

blood draw	197
doctor visit	611
preventive care	61
vaccines	61

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	170
Female	154

**Ethnicity**
Non-Hispanic White	242
Black	0
Hispanic	0
Asian	43
Other	17
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	129
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	24
Depression	25
Chronic Kidney Disease	19
Asthma	13
Osteoperosis	18
Atrial Fibrilation	20
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	15
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2023 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

blood draw	220
doctor visit	603
preventive care	66
vaccines	66

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	205
Female	172

**Ethnicity**
Non-Hispanic White	277
Black	21
Hispanic	11
Asian	49
Other	19
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	157
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2023

Hypertension	71
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	18
Atrial Fibrilation	21
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	11
Cancer	20

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ during 2024 were blood draw, nursing home care, preventive care and cardiac procedures.

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

blood draw	101
cardiac procedures	12
doctor visit	394
nursing home care	100
preventive care	23

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	190
Female	199

**Ethnicity**
Non-Hispanic White	266
Black	30
Hispanic	28
Asian	45
Other	20
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	155
85 and over	107
Less than 65	11

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2024

Hypertension	74
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	18
Atrial Fibrilation	20
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Dementia	15
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Isao Iwata, MD for Medicare patients.

The highest averages for the top procedures that Dr. Isao Iwata, MD treated as an internist in Hackensack, NJ were hospital care, inpatient care, nursing home care and blood draw.

blood draw	151
cardiac procedures	12
doctor visit	343
hospital care	167
inpatient care	163
nursing home care	157
outpatient care	12
preventive care	36
vaccines	40

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Isao Iwata, MD.

**Gender**
Male	120
Female	163

**Ethnicity**
Black / African American	30
Asian / Pacific Islander	17
Non-Hispanic White	209
Hispanic	5
Native American / Alaskan Native	0
Other	5

**Age**
75 to 84	102
85 and over	70
Less than 65	12
65 to 74	65

Average of Total of Conditions of Medicare patients treated by Dr. Isao Iwata, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Isao Iwata, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	39
Depression	34
Chronic Kidney Disease	35
Asthma	12
Osteoporosis	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Atrial Fibrillation	18
Cancer	14
Dementia	28

Education & Training

He completed residency at Caritas Carney Hospital. He is certified by the Internal Medicine - American Board of Internal Medicine - Geriatric Medicine - American Board of Internal Medicine - 2019 and has a state license in New Jersey.

Residency: Caritas Carney Hospital (2010)

Board Certification: Internal Medicine - American Board of Internal Medicine - Geriatric Medicine - American Board of Internal Medicine - 2019 (2019)

Licensed In: New Jersey

Ratings & Reviews

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General Payments

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

**Payments by Company**
Lilly USA, LLC	$43 MOUNJARO $43
Exact Sciences Corporation	$31 Cologuard Collection Kit $31
Harmony Biosciences LLC	$30 Wakix $30
GlaxoSmithKline, LLC.	$29 SHINGRIX $29
Pfizer Inc.	$15 PREVNAR 20 $15
Other	$14 SUNOSI $14

**Types of Payments**
Food and Beverage	$163

Research Payments

Dr. Isao Iwata, MD has received 1 research payments totaling $782,557.

Biography

Dr. Isao Iwata is a geriatrics (elderly care) specialist in Plainsboro, NJ. Dr. Iwata has obtained a license to practice in New Jersey.

Select Year:

Dr. Isao Iwata, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Isao Iwata, MD in 2024

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Isao Iwata, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Isao Iwata, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

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