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Dr. Royal Dean, MD

(6 Ratings)

Specializes in: General Practice

1687 Erringer Road Suite 217
Simi Valley, CA 93065

(805) 577-0059

Dr. Royal Dean, MD is a general practitioner in Simi Valley, CA specializing in general practice.

Office Locations

1687 Erringer Road Suite 217
Simi Valley, CA 93065

(805) 577-0059

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In The News

“Take as much science as possible, "especially biology and chemistry," suggested Dr. Royal Dean, a family practitioner in Santa Monica.”—"Career Preparation Takes Studying and Some Elbow Grease", Los Angeles Times, December 2024

Noteworthy Medicare Patient Procedures Performed by Dr. Royal Dean, MD in 2024

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

Top 10%

By Volume:

flu shot

By Affordability:

In 2024, among providers in related specialties within California, Dr. Royal Dean, MD performed more flu shot procedures for Medicare patients than 90% of them and he also had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 90% of them. 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:

aspiration

aspiration procedures

major joint aspiration

major joint injection

preventive care

removal of lesion

removal of skin lesion

skin lesion destruction

skin procedures

In 2012, Dr. Royal Dean, MD had a list price for aspiration, aspiration procedures, breathing treatment, injections, joint aspiration, joint injections, major joint aspiration, major joint injection, preventive care, removal of lesion (e.g. growth), removal of skin lesion (growth or mark), skin lesion destruction (e.g. laser surgery), and skin procedures that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2012 were hospital care, inpatient care, aspiration and injections.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	75
breathing treatment	29
doctor visit	1573
hospital care	473
injections	75
inpatient care	473
lab tests	18
preventive care	56
removal of lesion (e.g. growth)	44
skin procedures	44
vaccines	56

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2013 were hospital care, inpatient care, aspiration and injections.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	89
breathing treatment	18
doctor visit	1552
ear procedures	15
hospital care	479
injections	89
inpatient care	479
preventive care	87
removal of lesion (e.g. growth)	38
skin procedures	38
vaccines	87

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	134
Female	195

**Ethnicity**
Non-Hispanic White	296
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	93
85 and over	64
Less than 65	26

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2013

Hypertension	63
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	37
Depression	35
Chronic Kidney Disease	12
Asthma	8
Osteoperosis	11
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2014 were hospital care, inpatient care, injections and aspiration.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	72
breathing treatment	15
doctor visit	1722
hospital care	468
injections	151
inpatient care	468
pain management	18
preventive care	68
removal of lesion (e.g. growth)	40
skin procedures	40
vaccines	68

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	137
Female	183

**Ethnicity**
Non-Hispanic White	285
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	148
From 75 to 84	94
85 and over	60
Less than 65	18

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2014

Hypertension	65
High Cholesterol	43
Stroke	5
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	15
Asthma	8
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	23
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2015 were hospital care, inpatient care, injections and preventive care.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	62
breathing treatment	39
doctor visit	1932
hospital care	528
injections	130
inpatient care	528
pain management	68
preventive care	104
removal of lesion (e.g. growth)	38
skin procedures	38
vaccines	104

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	318
Female	436

**Ethnicity**
Non-Hispanic White	668
Black	0
Hispanic	54
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	364
From 75 to 84	200
85 and over	144
Less than 65	46

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2015

Hypertension	63
High Cholesterol	45
Stroke	6
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	21
Asthma	9
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2016 were hospital care, inpatient care, injections and preventive care.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	76
doctor visit	1810
ear procedures	15
hospital care	471
injections	142
inpatient care	471
pain management	66
preventive care	123
removal of lesion (e.g. growth)	34
skin procedures	34
vaccines	123

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	168
Female	221

**Ethnicity**
Non-Hispanic White	346
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	109
85 and over	62
Less than 65	22

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2016

Hypertension	63
High Cholesterol	41
Stroke	6
Ischemic Heart Disease	34
Depression	28
Chronic Kidney Disease	29
Asthma	13
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	25
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2017 were hospital care, inpatient care, injections and preventive care.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	56
breathing treatment	12
doctor visit	1708
ear procedures	16
hospital care	640
injections	123
inpatient care	640
nursing home care	47
pain management	67
preventive care	93
removal of lesion (e.g. growth)	23
skin procedures	23
vaccines	93

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	191
Female	257

**Ethnicity**
Non-Hispanic White	403
Black	0
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	127
85 and over	69
Less than 65	30

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2017

Hypertension	61
High Cholesterol	26
Stroke	6
Ischemic Heart Disease	30
Depression	27
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	27
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2018 were hospital care, inpatient care, injections and preventive care.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	67
breathing treatment	11
doctor visit	1799
ear procedures	14
hospital care	414
injections	119
inpatient care	414
pain management	52
preventive care	99
removal of lesion (e.g. growth)	27
skin procedures	27
vaccines	99

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	194
Female	269

**Ethnicity**
Non-Hispanic White	416
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	237
From 75 to 84	147
85 and over	60
Less than 65	19

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2018

Hypertension	57
High Cholesterol	42
Stroke	4
Ischemic Heart Disease	28
Depression	25
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	7
Diabetes	26
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2019 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	77
breathing treatment	16
doctor visit	1651
hospital care	366
injections	125
inpatient care	366
pain management	48
preventive care	152
removal of lesion (e.g. growth)	21
skin procedures	21
vaccines	152

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	193
Female	254

**Ethnicity**
Non-Hispanic White	400
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	136
85 and over	60
Less than 65	21

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2019

Hypertension	54
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	26
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2020 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	38
doctor visit	1853
hospital care	459
injections	86
inpatient care	459
pain management	48
preventive care	136
removal of lesion (e.g. growth)	22
skin procedures	22
vaccines	136

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	192
Female	258

**Ethnicity**
Non-Hispanic White	405
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	132
85 and over	60
Less than 65	20

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2020

Hypertension	52
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	21
Asthma	6
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2021 were hospital care, inpatient care, injections and preventive care.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	50
doctor visit	1977
hospital care	509
injections	107
inpatient care	509
pain management	57
preventive care	104
removal of lesion (e.g. growth)	16
skin procedures	16
vaccines	92

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	212
Female	263

**Ethnicity**
Non-Hispanic White	429
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	243
From 75 to 84	161
85 and over	58
Less than 65	13

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2021

Hypertension	54
High Cholesterol	50
Stroke	5
Ischemic Heart Disease	32
Depression	19
Chronic Kidney Disease	18
Asthma	8
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2022 were hospital care, inpatient care, preventive care and injections.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	58
doctor visit	1794
ear procedures	12
hospital care	417
injections	80
inpatient care	417
pain management	22
preventive care	93
removal of lesion (e.g. growth)	21
skin procedures	21
vaccines	73

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	193
Female	254

**Ethnicity**
Non-Hispanic White	399
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	156
85 and over	51
Less than 65	14

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2022

Hypertension	61
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	24
Depression	19
Chronic Kidney Disease	8
Asthma	11
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2023 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	89
breathing treatment	13
doctor visit	1883
hospital care	141
injections	89
inpatient care	141
preventive care	121
removal of lesion (e.g. growth)	25
skin procedures	25
vaccines	108

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	192
Female	256

**Ethnicity**
Non-Hispanic White	393
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	158
85 and over	46
Less than 65	14

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2023

Hypertension	60
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	23
Depression	19
Chronic Kidney Disease	9
Asthma	12
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	26
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA during 2024 were preventive care, vaccines, aspiration and injections.

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

aspiration	85
breathing treatment	24
doctor visit	1622
ear procedures	23
injections	85
preventive care	104
removal of lesion (e.g. growth)	38
skin procedures	38
vaccines	104

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	188
Female	242

**Ethnicity**
Non-Hispanic White	373
Black	0
Hispanic	33
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	165
85 and over	45
Less than 65	12

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2024

Hypertension	62
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	24
Depression	20
Chronic Kidney Disease	9
Asthma	15
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	27
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Royal Dean, MD for Medicare patients.

The highest averages for the top procedures that Dr. Royal Dean, MD treated as a general practitioner in Simi Valley, CA were hospital care, inpatient care, injections and preventive care.

aspiration	68
doctor visit	1759
ear procedures	15
hospital care	447
injections	107
inpatient care	447
lab tests	18
nursing home care	47
pain management	49
preventive care	103
removal of lesion (e.g. growth)	29
skin procedures	29
vaccines	99

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Royal Dean, MD.

**Gender**
Male	177
Female	237

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	370
Native American / Alaskan Native	0
Hispanic	27
Other	1

**Age**
75 to 84	129
85 and over	59
Less than 65	19
65 to 74	206

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

The highest averages of the most common conditions of Medicare patients that Dr. Royal Dean, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	55
High Cholesterol	45
Stroke	5
Ischemic Heart Disease	28
Depression	23
Chronic Kidney Disease	16
Asthma	8
Osteoporosis	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	23
Atrial Fibrillation	11
Dementia	10
Cancer	10

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

Dr. Royal Dean, MD has a good overall rating with an average of 3.0 out of 5 stars based on 6 ratings. We collect ratings and reviews of Dr. Royal Dean, MD from all over the web to help you find the right in Simi Valley, CA.

Overall Rating

(6 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$658 INVOKANA $401	XARELTO $250	INVOKAMET $8
AstraZeneca Pharmaceuticals LP	$546 BYDUREON $240	FARXIGA $237	SYMBICORT $59	ONGLYZA $10
Takeda Pharmaceuticals America, Inc.	$535 Brintellix $189	Contrave $174	Colcrys $93	Trintellix $76	Kazano $4
Novo Nordisk Inc	$398 Tresiba $169	NovoLog $167	Saxenda $62
Boehringer Ingelheim Pharmaceuticals, Inc.	$249 JARDIANCE $235	SPIRIVA RESPIMAT $14
Other	$534 Mako $74	Contrave $63	TOUJEO $27	Osphena $25	LEQVIO $23	Other $322

**Types of Payments**
Food and Beverage	$2,592
Education	$329

Biography

Dr. Royal Dean specializes in general practice. On average, patients gave him a rating of 3.0 stars (out of 5).

Select Year:

Dr. Royal Dean, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Royal Dean, MD in 2024

By Volume:

By Affordability:

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. Royal Dean, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Dean, 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. Royal Dean, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

General Practitioners in Nearby Locations

Other Providers in Simi Valley, CA