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Dr. Robert Ara Petrossian, MD

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Specializes in: Urology (Urinary Tract Disease)

Professional interests include: urologic (genitourinary) disorders

12855 N 40 Drive Suite 375
Saint Louis, MO 63141

(314) 567-6071

Dr. Robert Ara Petrossian, MD is an urologist in Saint Louis, MO specializing in urology (urinary tract disease). Dr. Robert Ara Petrossian, MD is affiliated with Anderson Hospital, OSF Healthcare, St. Luke's Hospital, St. Luke's, UROLOGY OF ST. LOUIS, INC, OSF MULTI-SPECIALTY GROUP and Anderson Hospital (Maryville, IL).

Office Locations

12855 N 40 Drive Suite 375
Saint Louis, MO 63141

(314) 567-6071

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12855 North Forty Drive Suite 350
Saint Louis, MO 63141

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OSF Healthcare

2 Saint Anthonys Way
Alton, IL 62002

(618) 462-2226

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3 Saint Elizabeth Boulevard Suite 3200
O'Fallon, IL 62269

(618) 489-8030

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326 Fountains Parkway
Fairview Heights, IL 62208

(618) 277-3109

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Noteworthy Medicare Patient Procedures Performed by Dr. Robert Ara Petrossian, MD in 2023

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

Top 5%

By Volume:

inpatient hospital care

post void residual study

potassium sensitivity test

In 2023, Dr. Robert Ara Petrossian, MD performed more inpatient hospital care (for patient admitted to hospital), post void residual study, and potassium sensitivity test procedures for Medicare patients than 95% of providers in related specialties within Missouri.

Top 10%

By Volume:

urologic procedures

In 2023, Dr. Robert Ara Petrossian, MD performed more urologic procedures procedures for Medicare patients than 90% of providers in related specialties within Missouri.

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Robert Ara Petrossian, MD treated as an urologist in Saint Louis, MO during 2022 were urologic procedures, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Robert Ara Petrossian, MD for Medicare patients.

doctor visit	388
hormone therapy	12
hospital care	113
inpatient care	113
minimally invasive procedures	22
urologic procedures	286

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Ara Petrossian, MD.

**Gender**
Male	210
Female	52

**Ethnicity**
Non-Hispanic White	198
Black	17
Hispanic	24
Asian	12
Other	11
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	119
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Ara Petrossian, MD in 2022

The most common conditions of Medicare patients that Dr. Robert Ara Petrossian, MD treated during 2022 were high cholesterol, hypertension, cancer and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	28
Depression	12
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	31
Dementia	5
Cancer	37

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Robert Ara Petrossian, MD treated as an urologist in Saint Louis, MO during 2023 were urologic procedures, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. Robert Ara Petrossian, MD for Medicare patients.

catheterization	12
diagnostic procedures	12
doctor visit	906
hospital care	263
inpatient care	263
minimally invasive procedures	94
minor procedures	12
potassium test	56
urologic procedures	790

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Ara Petrossian, MD.

**Gender**
Male	371
Female	94

**Ethnicity**
Non-Hispanic White	350
Black	22
Hispanic	51
Asian	22
Other	20
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	212
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Ara Petrossian, MD in 2023

The most common conditions of Medicare patients that Dr. Robert Ara Petrossian, MD treated during 2023 were high cholesterol, hypertension, ischemic heart disease and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	37
Depression	14
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	11
Atrial Fibrilation	29
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	34
Dementia	11
Cancer	34

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2022 - 2023

Volume of procedures performed by Dr. Robert Ara Petrossian, MD for Medicare patients.

The highest averages for the top procedures that Dr. Robert Ara Petrossian, MD treated as an urologist in Saint Louis, MO were urologic procedures, hospital care, inpatient care and minimally invasive procedures.

catheterization	12
diagnostic procedures	12
doctor visit	647
hormone therapy	12
hospital care	188
inpatient care	188
minimally invasive procedures	58
minor procedures	12
potassium test	56
urologic procedures	538

Average Medicare Patient Data From 2022 - 2023

Information about Medicare patients treated by Dr. Robert Ara Petrossian, MD.

**Gender**
Male	290
Female	73

**Ethnicity**
Black / African American	19
Asian / Pacific Islander	17
Non-Hispanic White	274
Native American / Alaskan Native	0
Hispanic	37
Other	15

**Age**
75 to 84	165
85 and over	0
Less than 65	0
65 to 74	109

Average of Total of Conditions of Medicare patients treated by Dr. Robert Ara Petrossian, MD From 2022 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Robert Ara Petrossian, MD treated were high cholesterol, hypertension, cancer and chronic kidney disease.

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	34
Asthma	9
Osteoporosis	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Atrial Fibrillation	26
Cancer	35
Dementia	8

Education & Training

He completed residency at Southern Illinois University Affiliated Hospitals. He is certified by the American Board of Urology - Urology, value and has a state license in Missouri.

Residency: Southern Illinois University Affiliated Hospitals (2021)

Board Certification: American Board of Urology - Urology, value

Licensed In: Missouri

Affiliations & Hospitals

Dr. Robert Ara Petrossian, MD is associated with these hospitals and organizations:

Anderson Hospital

OSF Healthcare

St. Luke's Hospital

St. Luke's

UROLOGY OF ST. LOUIS, INC

OSF MULTI-SPECIALTY GROUP

Anderson Hospital (Maryville, IL)

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$2,819 AMS 700 CXR RTE KIT $1,627	GENERAL BPH $487	AMS $246	GENERAL - ERECTILE DYSFUNCTION $241	Rezum $88	Other $131
Olympus Corporation of the Americas	$1,157 VISERA ELITE $1,127	Olympus EndoTherapy Accessories $29
Astellas Pharma US Inc	$226 XTANDI $126	$100
UROGEN PHARMA, INC.	$191 JELMYTO $191
Sumitomo Pharma America, Inc.	$138 ORGOVYX $138
Other	$640 CAMCEVI $108	AQUABEAM SYSTEM $69	ORGOVYX $50	PYLARIFY $47	BOTOX $44	Other $324

**Types of Payments**
Food and Beverage	$2,717
Travel and Lodging	$2,355
Education	$100

Biography

Dr. Robert Petrossian's specialty is urology (urinary tract disease). His hospital/clinic affiliations include Anderson Hospital, St. Luke's, and OSF Healthcare. He has an open panel in according to OSF Healthcare. Dr. Petrossian's medical residency was performed at a hospital affiliated with Southern Illinois University.