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Home > IN Providers > Cardiologists

Dr. Mark A. O'Shaughnessy, MD

(Mark O'Shaughnessy MD)

(667 Ratings)

Specializes in: Cardiology (Heart Disease)

Indiana University School of Medicine (1987)

2231 Carew Street
Fort Wayne, IN 46805

(260) 266-5700

Dr. Mark A. O'Shaughnessy, MD is a cardiologist in Fort Wayne, IN specializing in cardiology (heart disease). He graduated from Indiana University School of Medicine in 1987 and has 39 years of experience. Dr. Mark A. O'Shaughnessy, MD is affiliated with Parkview Health System, Parkview Health and PPG - Cardiology.

Office Locations

2231 Carew Street
Fort Wayne, IN 46805

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8202 Glencarin Boulevard Suite 130
Fort Wayne, IN 46804

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11108 Parkview Circle
Fort Wayne, IN 46845

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11108 Parkview Circle
Fort Wayne, IN 46845

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Parkview Health

1310 E 7th Street
Suite K Auburn, IN 46706

(260) 266-5700

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2001 Stults Road
Suite 200 Huntington, IN 46750

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207 N Townline Road
Lagrange, IN 46761

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306 E Maumee Street
Suite 201 Angola, IN 46703

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401 Sawyer Road
Kendallville, IN 46755

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8 John Kissinger Drive
Wabash, IN 46992

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8202 Glencarin Boulevard
Fort Wayne, IN 46804

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark A. O'Shaughnessy, MD in 2023

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

Top 5%

By Volume:

ankle brachial index

Doppler echocardiography

echocardiogram

ultrasound

vascular procedures

In 2023, Dr. Mark A. O'Shaughnessy, MD performed more ankle brachial index (ABI), Doppler echocardiography, echocardiogram (echo), ultrasound (sonogram), and vascular procedures procedures for Medicare patients than 95% of providers in related specialties within Indiana.

Top 10%

By Volume:

abdominal duplex ultrasound

lower extremity arterial duplex

pelvic duplex ultrasound

testicular duplex ultrasound

By Affordability:

ankle brachial index

vascular physiologic studies

In 2023, among providers in related specialties within Indiana, Dr. Mark A. O'Shaughnessy, MD performed more abdominal duplex ultrasound, lower extremity arterial duplex, pelvic duplex ultrasound, and testicular duplex ultrasound procedures for Medicare patients than 90% of them and he also had a list price for ankle brachial index (ABI), and vascular physiologic studies 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 Volume:

carotid duplex ultrasound

vascular ultrasound

In 2012, Dr. Mark A. O'Shaughnessy, MD performed more carotid duplex ultrasound, and vascular ultrasound procedures for Medicare patients than 75% of providers in related specialties within Indiana.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2012 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	66
cardiac procedures	722
catheterization	26
diagnostic procedures	26
doctor visit	1215
emergency care	16
hospital care	636
inpatient care	613
minimally invasive procedures	43
outpatient care	23
pelvic imaging	66
stress testing	64
ultrasound (sonogram)	841
vascular procedures	283

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2013 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	58
ambulatory monitoring	11
cardiac procedures	581
doctor visit	974
hospital care	546
inpatient care	533
minimally invasive procedures	12
outpatient care	13
pelvic imaging	58
stress testing	80
ultrasound (sonogram)	676
vascular procedures	226

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	875
Female	909

**Ethnicity**
Non-Hispanic White	1692
Black	59
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	612
From 75 to 84	599
85 and over	341
Less than 65	232

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	68
Depression	24
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	8
Atrial Fibrilation	25
Heart Failure	39
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2014 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	35
ambulatory monitoring	21
cardiac procedures	671
catheterization	13
diagnostic procedures	13
doctor visit	1133
hospital care	294
inpatient care	294
minimally invasive procedures	13
pelvic imaging	35
stress testing	80
ultrasound (sonogram)	700
vascular procedures	204

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	905
Female	958

**Ethnicity**
Non-Hispanic White	1767
Black	54
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	647
From 75 to 84	629
85 and over	353
Less than 65	234

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	64
Depression	25
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	35
Chronic Obstructive Pulmonary Disease	28
Diabetes	39
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2015 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	26
ambulatory monitoring	11
cardiac procedures	806
doctor visit	703
emergency care	23
hospital care	629
inpatient care	609
minimally invasive procedures	43
outpatient care	20
pelvic imaging	26
stress testing	28
ultrasound (sonogram)	880
vascular procedures	139

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	1920
Female	1978

**Ethnicity**
Non-Hispanic White	3670
Black	144
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	1406
From 75 to 84	1260
85 and over	702
Less than 65	530

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2015

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	65
Depression	30
Chronic Kidney Disease	44
Asthma	21
Osteoperosis	8
Atrial Fibrilation	26
Heart Failure	38
Chronic Obstructive Pulmonary Disease	30
Diabetes	40
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2016 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	23
cardiac procedures	791
doctor visit	670
emergency care	21
hospital care	625
inpatient care	596
minimally invasive procedures	22
outpatient care	29
pelvic imaging	23
stress testing	24
ultrasound (sonogram)	877
vascular procedures	138

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	929
Female	942

**Ethnicity**
Non-Hispanic White	1754
Black	71
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	697
From 75 to 84	596
85 and over	343
Less than 65	235

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2016

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	64
Depression	27
Chronic Kidney Disease	47
Asthma	32
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	39
Chronic Obstructive Pulmonary Disease	31
Diabetes	40
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2017 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	28
cardiac procedures	930
cardioversion	18
doctor visit	807
emergency care	31
hospital care	617
inpatient care	617
minimally invasive procedures	38
pelvic imaging	28
stress testing	19
ultrasound (sonogram)	1047
vascular procedures	171

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	1006
Female	1086

**Ethnicity**
Non-Hispanic White	1967
Black	64
Hispanic	0
Asian	0
Other	33
Native American	0

**Age**
From 65 to 74	793
From 75 to 84	642
85 and over	383
Less than 65	274

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	63
Depression	29
Chronic Kidney Disease	48
Asthma	12
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	41
Chronic Obstructive Pulmonary Disease	33
Diabetes	41
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2018 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	45
cardiac procedures	938
doctor visit	564
emergency care	26
hospital care	741
inpatient care	741
minimally invasive procedures	13
pelvic imaging	45
stress testing	28
ultrasound (sonogram)	1076
vascular procedures	204

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	982
Female	1048

**Ethnicity**
Non-Hispanic White	1891
Black	78
Hispanic	0
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	851
From 75 to 84	593
85 and over	327
Less than 65	259

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2018

Hypertension	75
High Cholesterol	71
Stroke	10
Ischemic Heart Disease	61
Depression	28
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	31
Diabetes	42
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2019 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	17
cardiac procedures	873
cardioversion	14
doctor visit	568
emergency care	27
hospital care	531
inpatient care	531
minimally invasive procedures	33
pelvic imaging	17
stress testing	25
ultrasound (sonogram)	943
vascular procedures	108

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	976
Female	949

**Ethnicity**
Non-Hispanic White	1780
Black	70
Hispanic	0
Asian	0
Other	44
Native American	0

**Age**
From 65 to 74	798
From 75 to 84	604
85 and over	309
Less than 65	214

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2019

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	61
Depression	29
Chronic Kidney Disease	48
Asthma	9
Osteoperosis	7
Atrial Fibrilation	28
Heart Failure	41
Chronic Obstructive Pulmonary Disease	30
Diabetes	41
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2020 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	74
cardiac procedures	754
cardioversion	14
doctor visit	587
emergency care	11
hospital care	374
inpatient care	374
minimally invasive procedures	17
pelvic imaging	74
stress testing	15
ultrasound (sonogram)	1002
vascular procedures	322

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	999
Female	931

**Ethnicity**
Non-Hispanic White	1790
Black	58
Hispanic	28
Asian	0
Other	42
Native American	0

**Age**
From 65 to 74	832
From 75 to 84	603
85 and over	285
Less than 65	210

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	61
Depression	27
Chronic Kidney Disease	48
Asthma	8
Osteoperosis	7
Atrial Fibrilation	24
Heart Failure	34
Chronic Obstructive Pulmonary Disease	24
Diabetes	40
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2021 were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	74
ambulatory monitoring	14
cardiac procedures	896
cardioversion	11
doctor visit	613
hospital care	366
inpatient care	366
minimally invasive procedures	11
pelvic imaging	74
stress testing	29
ultrasound (sonogram)	1103
vascular procedures	318

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	1100
Female	1000

**Ethnicity**
Non-Hispanic White	1948
Black	53
Hispanic	26
Asian	0
Other	61
Native American	0

**Age**
From 65 to 74	893
From 75 to 84	703
85 and over	315
Less than 65	189

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	10
Ischemic Heart Disease	61
Depression	24
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN during 2022 were ultrasound (sonogram), cardiac procedures, vascular procedures and hospital care.

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

abdominal imaging	73
cardiac procedures	693
doctor visit	538
hospital care	311
inpatient care	311
minimally invasive procedures	13
pelvic imaging	73
stress testing	15
ultrasound (sonogram)	948
vascular procedures	368

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	857
Female	777

**Ethnicity**
Non-Hispanic White	1522
Black	41
Hispanic	0
Asian	0
Other	40
Native American	0

**Age**
From 65 to 74	696
From 75 to 84	574
85 and over	215
Less than 65	149

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	51
Depression	24
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	11
Atrial Fibrilation	35
Heart Failure	29
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark A. O'Shaughnessy, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark A. O'Shaughnessy, MD treated as a cardiologist in Fort Wayne, IN were ultrasound (sonogram), cardiac procedures, hospital care and inpatient care.

abdominal imaging	47
ambulatory monitoring	14
cardiac procedures	786
cardioversion	14
catheterization	19
diagnostic procedures	19
doctor visit	761
emergency care	22
hospital care	515
inpatient care	507
minimally invasive procedures	23
outpatient care	21
pelvic imaging	47
stress testing	37
ultrasound (sonogram)	917
vascular procedures	225

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD.

**Gender**
Male	959
Female	961

**Ethnicity**
Black / African American	62
Asian / Pacific Islander	0
Non-Hispanic White	1798
Native American / Alaskan Native	0
Hispanic	10
Other	26

**Age**
75 to 84	618
85 and over	324
Less than 65	229
65 to 74	747

Average of Total of Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark A. O'Shaughnessy, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	56
Depression	24
Chronic Kidney Disease	39
Asthma	11
Osteoporosis	7
Heart Failure	33
Chronic Obstructive Pulmonary Disease	25
Diabetes	36
Atrial Fibrillation	24
Dementia	13
Cancer	11

Education & Training

Dr. Mark A. O'Shaughnessy, MD graduated from Indiana University School of Medicine in 1987. He completed residency at Indiana University Affiliated Hospitals. He is certified by the Board Certification: Internal Medicine and has a state license in Indiana.

Medical School: Indiana University School of Medicine (1987)

Residency: Indiana University Affiliated Hospitals

Board Certification: Board Certification: Internal Medicine

Licensed In: Indiana

Affiliations & Hospitals

Dr. Mark A. O'Shaughnessy, MD is associated with these hospitals and organizations:

Parkview Health System

Parkview Health

PPG - Cardiology

Ratings & Reviews

Dr. Mark A. O'Shaughnessy, MD has an exceptional overall rating with an average of 4.92 out of 5 stars based on 667 ratings. We collect ratings and reviews of Dr. Mark A. O'Shaughnessy, MD from all over the web to help you find the right in Fort Wayne, IN.

4.92

Overall Rating

(667 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Mark A. O'Shaughnessy, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
United Therapeutics Corporation	$277 None $122	TYVASO $18	ORENITRAM $10	$126
Actelion Pharmaceuticals US, Inc.	$176 OPSUMIT $132	$44
Janssen Pharmaceuticals, Inc	$163 XARELTO $163
St. Jude Medical, Inc.	$97 Vascular $80	HeartMate PHP $17
Boston Scientific Corporation	$89 GENERAL THERAPIES $77	LATITUDE $11
Other	$368 FFRct $86	System One $72	KONECT RESILIA $44	AmBisome $24	VERQUVO $16	Other $125

**Types of Payments**
Food and Beverage	$1,103
Education	$67

Research Payments

Dr. Mark A. O'Shaughnessy, MD has received 31 research payments totaling $211,341.

Biography

Dr. Mark Oshaughnessy's specialty is cardiology (heart disease). Dr. Oshaughnessy obtained his medical school training at Indiana University School of Medicine and performed his residency at a hospital affiliated with Indiana University. On average, patients gave him a rating of 5.0 stars (out of 5). He is affiliated with Parkview Health and Parkview Health System. Yext reports that he is not accepting new patients.

Select Year:

Dr. Mark A. O'Shaughnessy, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Mark A. O'Shaughnessy, MD in 2023

By Volume:

By Volume:

By Affordability:

By Volume:

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. Mark A. O'Shaughnessy, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Mark A. O'Shaughnessy, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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