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Dr. Subbu Nagappan, MD

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Specializes in: Vascular Surgery, General Surgery and Trauma Surgery

University of Illinois College of Medicine at Chicago

Professional interests include: vascular malformations, stent placement (stenting), abdominal aortic aneurysm repair, and more.

4445 Magnolia Avenue
Riverside, CA 92501

(951) 929-6260

Dr. Subbu Nagappan, MD is a vascular surgeon in Riverside, CA specializing in vascular surgery, general surgery and trauma surgery. He graduated from University of Illinois College of Medicine at Chicago. Dr. Subbu Nagappan, MD is affiliated with AHMC Healthcare, Astrana Health, Riverside Community Hospital, EL-BERSHAWI MEDICAL CORP, Alpha Care Medical Group and RIVERSIDE MEDICAL CLINIC.

Office Locations

RIVERSIDE MEDICAL CLINIC

4445 Magnolia Avenue
Riverside, CA 92501

(951) 929-6260

(951) 765-2855

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4500 Brockton Avenue Suite 319
Riverside, CA 92501

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RIVERSIDE MEDICAL CLINIC

7117 Brockton Avenue
Riverside, CA 92506

(951) 683-6370

(951) 782-5135

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Noteworthy Medicare Patient Procedures Performed by Dr. Subbu Nagappan, MD in 2023

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

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. Subbu Nagappan, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2012 were hospital care, inpatient care and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

doctor visit	101
hospital care	144
inpatient care	144
tracheal (windpipe) procedures	19

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2013 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

catheterization	12
doctor visit	129
hospital care	123
inpatient care	123

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	80
Female	110

**Ethnicity**
Non-Hispanic White	115
Black	21
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	54
85 and over	27
Less than 65	34

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2013

Hypertension	74
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	47
Depression	31
Chronic Kidney Disease	50
Asthma	11
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	46
Dementia	22
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

doctor visit	127
hospital care	105
inpatient care	105

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	92
Female	90

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	37
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	43
85 and over	35
Less than 65	32

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2014

Hypertension	71
High Cholesterol	64
Stroke	11
Ischemic Heart Disease	40
Depression	33
Chronic Kidney Disease	45
Asthma	7
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	29
Chronic Obstructive Pulmonary Disease	26
Diabetes	44
Dementia	21
Cancer	19

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

doctor visit	117
hospital care	99
inpatient care	99

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	144
Female	150

**Ethnicity**
Non-Hispanic White	196
Black	26
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	90
85 and over	54
Less than 65	34

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2015

Hypertension	75
High Cholesterol	61
Stroke	12
Ischemic Heart Disease	52
Depression	26
Chronic Kidney Disease	50
Asthma	18
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	35
Chronic Obstructive Pulmonary Disease	28
Diabetes	48
Dementia	19
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

doctor visit	83
hospital care	181
inpatient care	181

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	104
Female	109

**Ethnicity**
Non-Hispanic White	139
Black	14
Hispanic	48
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	58
85 and over	43
Less than 65	39

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2016

Hypertension	75
High Cholesterol	55
Stroke	14
Ischemic Heart Disease	38
Depression	31
Chronic Kidney Disease	49
Asthma	23
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	38
Chronic Obstructive Pulmonary Disease	23
Diabetes	43
Dementia	25
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

doctor visit	67
hospital care	148
inpatient care	148

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	90
Female	89

**Ethnicity**
Non-Hispanic White	110
Black	22
Hispanic	34
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	48
85 and over	25
Less than 65	43

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	13
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	35
Chronic Obstructive Pulmonary Disease	27
Diabetes	44
Dementia	23
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

doctor visit	66
hospital care	106
inpatient care	106

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	78
Female	75

**Ethnicity**
Non-Hispanic White	81
Black	19
Hispanic	36
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	50
85 and over	24
Less than 65	23

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2018

Hypertension	75
High Cholesterol	61
Stroke	21
Ischemic Heart Disease	45
Depression	35
Chronic Kidney Disease	61
Asthma	8
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	35
Chronic Obstructive Pulmonary Disease	20
Diabetes	51
Dementia	29
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

doctor visit	105
hospital care	115
inpatient care	115

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	72
Female	84

**Ethnicity**
Non-Hispanic White	95
Black	0
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	44
85 and over	19
Less than 65	27

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	15
Ischemic Heart Disease	46
Depression	40
Chronic Kidney Disease	60
Asthma	8
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	43
Chronic Obstructive Pulmonary Disease	26
Diabetes	49
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

hospital care	83
inpatient care	83

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	47
Female	66

**Ethnicity**
Non-Hispanic White	71
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	36
85 and over	16
Less than 65	13

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	19
Ischemic Heart Disease	46
Depression	38
Chronic Kidney Disease	65
Asthma	0
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	36
Chronic Obstructive Pulmonary Disease	26
Diabetes	51
Dementia	32
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

hospital care	67
inpatient care	67

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	43
Female	45

**Ethnicity**
Non-Hispanic White	47
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	28
From 75 to 84	24
85 and over	18
Less than 65	18

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2021

Hypertension	75
High Cholesterol	67
Stroke	18
Ischemic Heart Disease	55
Depression	41
Chronic Kidney Disease	68
Asthma	0
Osteoperosis	0
Atrial Fibrilation	23
Heart Failure	53
Chronic Obstructive Pulmonary Disease	31
Diabetes	55
Dementia	39
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

doctor visit	18
hospital care	97
inpatient care	97

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	62
Female	53

**Ethnicity**
Non-Hispanic White	68
Black	0
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	36
85 and over	19
Less than 65	19

Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD in 2022

Hypertension	75
High Cholesterol	65
Stroke	22
Ischemic Heart Disease	37
Depression	37
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	10
Atrial Fibrilation	25
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	42
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Subbu Nagappan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Subbu Nagappan, MD treated as a vascular surgeon in Riverside, CA were hospital care, inpatient care, tracheal (windpipe) procedures and catheterization.

catheterization	12
doctor visit	90
hospital care	115
inpatient care	115
tracheal (windpipe) procedures	19

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Subbu Nagappan, MD.

**Gender**
Male	73
Female	79

**Ethnicity**
Black / African American	9
Asian / Pacific Islander	0
Non-Hispanic White	94
Hispanic	31
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	43
85 and over	25
Less than 65	25
65 to 74	58

Average of Total of Conditions of Medicare patients treated by Dr. Subbu Nagappan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Subbu Nagappan, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	67
High Cholesterol	56
Stroke	14
Ischemic Heart Disease	40
Depression	31
Chronic Kidney Disease	48
Asthma	8
Osteoporosis	7
Heart Failure	33
Chronic Obstructive Pulmonary Disease	23
Diabetes	43
Atrial Fibrillation	16
Cancer	13
Dementia	22

Education & Training

Dr. Subbu Nagappan, MD graduated from University of Illinois College of Medicine at Chicago. He completed residency at VALLEYWISE HEALTH MEDICAL CENTER. He is certified by the Certification: MEDICAL BOARD OF CALIFORNIA and has a state license in California.

Medical School: University of Illinois College of Medicine at Chicago

Residency: VALLEYWISE HEALTH MEDICAL CENTER

Board Certification: Certification: MEDICAL BOARD OF CALIFORNIA

Licensed In: California

Affiliations & Hospitals

Dr. Subbu Nagappan, MD is associated with these hospitals and organizations:

AHMC Healthcare

Astrana Health

Riverside Community Hospital

EL-BERSHAWI MEDICAL CORP

Alpha Care Medical Group

RIVERSIDE MEDICAL CLINIC

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General Payments

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

**Payments by Company**
Medtronic Vascular, Inc.	$1,032 Catheters $1,032
Cumberland Pharmaceuticals, Inc.	$100 Caldolor $100
Cadence Pharmaceuticals, Inc.	$70 OFIRMEV $70
Intuitive Surgical, Inc.	$40 Da Vinci Surgical System $40
LeMaitre Vascular, Inc.	$35 PROCOL $35
Other	$141 OVATION $25	Vessel Sealing $21	AAA Stent Grafts $21	SURGICAL $20	LigaSure $15	Other $39

**Types of Payments**
Travel and Lodging	$900
Food and Beverage	$517

Biography

Dr. Subbu Nagappan practices general surgery, vascular surgery, and trauma surgery. Clinical interests for Dr. Nagappan include stent placement (stenting), ablation, and atherosclerosis. He studied medicine at the University of Illinois College of Medicine at Chicago. Dr. Nagappan (or staff) speaks the following foreign languages: Spanish, Greek, and Japanese. Dr. Nagappan's professional affiliations include Astrana Health, AHMC Healthcare, and Riverside Community Hospital. Astrana Health reports that he is accepting new patients at his office in Riverside, CA.