Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > OH Providers

Dr. John Michae Mashny, MD

Accepting New Patients

(Dr. John M. Mashny, MD)

(826 Ratings)

Specializes in: Adult Cardiology

University of Cincinnati College of Medicine (1991)

100 Arrow Springs Boulevard Suite 2500
Lebanon, OH 45036

(513) 246-2400

Dr. John Michae Mashny, MD is a cardiologist in Lebanon, OH specializing in adult cardiology. He graduated from University of Cincinnati College of Medicine in 1991 and has 35 years of experience. Dr. John Michae Mashny, MD is affiliated with TriHealth and TRIHEALTH H LLC.

Office Locations

100 Arrow Springs Boulevard Suite 2500
Lebanon, OH 45036

open_in_new

3075 HAMILTON MASON ROAD
HAMILTON, OH 45011

open_in_new

8240 Northcreek Drive Suite 4300
Cincinnati, OH 45236

open_in_new

10506A Montgomery Road Suite 301
Montgomery, OH 45242

open_in_new

3075 Hamilton Mason Road
Fairfield Township, OH 45011

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. John Michae Mashny, MD in 2023

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

Top 5%

By Volume:

stress EKG

By Affordability:

cardiac imaging

In 2023, among providers in related specialties within Ohio, Dr. John Michae Mashny, MD performed more stress EKG procedures for Medicare patients than 95% of them and he also had a list price for cardiac imaging that was lower than the list prices billed to Medicare by 95% 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 10%

By Volume:

cardiac stress testing

cardiac procedures

By Affordability:

echocardiogram

In 2023, among providers in related specialties within Ohio, Dr. John Michae Mashny, MD performed more cardiac (heart) stress testing, and cardiac procedures procedures for Medicare patients than 90% of them and he also had a list price for echocardiogram (echo) 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:

Doppler echocardiography

echocardiogram

inpatient hospital care

ultrasound

By Affordability:

blood tests

coagulation tests

color Doppler echocardiography

Doppler echocardiography

lab tests

liver function tests

prothrombin time test

spectral Doppler echocardiography

transthoracic echocardiography

In 2012, among providers in related specialties within Ohio, Dr. John Michae Mashny, MD performed more Doppler echocardiography, echocardiogram (echo), inpatient hospital care (for patient admitted to hospital), and ultrasound (sonogram) procedures for Medicare patients than 75% of them and he also had a list price for blood tests, coagulation (blood clotting) tests, color Doppler echocardiography, Doppler echocardiography, lab tests, liver function tests (LFTs), prothrombin time (PT) test, spectral Doppler echocardiography, and transthoracic echocardiography (TTE) that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2012 were cardiac procedures, ultrasound (sonogram), lab tests and hospital care.

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	946
cardioversion	22
catheterization	21
diagnostic procedures	21
doctor visit	1169
hospital care	442
inpatient care	442
lab tests	490
minimally invasive procedures	39
nuclear scan	118
stress testing	395
ultrasound (sonogram)	562
vascular procedures	21

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2013 were cardiac procedures, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	692
doctor visit	1201
hospital care	634
inpatient care	611
lab tests	539
nuclear scan	72
outpatient care	23
stress testing	272
ultrasound (sonogram)	444

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	1121
Female	1348

**Ethnicity**
Non-Hispanic White	2286
Black	124
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	840
From 75 to 84	811
85 and over	503
Less than 65	315

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2013

Hypertension	75
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	60
Depression	29
Chronic Kidney Disease	39
Asthma	14
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	40
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2014 were cardiac procedures, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	544
doctor visit	1176
hospital care	511
inpatient care	475
lab tests	452
nuclear scan	54
outpatient care	36
stress testing	180
ultrasound (sonogram)	364

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	716
Female	831

**Ethnicity**
Non-Hispanic White	1442
Black	67
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	516
From 75 to 84	512
85 and over	350
Less than 65	169

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	65
Depression	27
Chronic Kidney Disease	39
Asthma	14
Osteoperosis	9
Atrial Fibrilation	31
Heart Failure	44
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2015 were cardiac procedures, hospital care, lab tests and inpatient care.

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	561
doctor visit	1162
hospital care	474
inpatient care	440
lab tests	444
nuclear scan	58
outpatient care	34
stress testing	200
ultrasound (sonogram)	376

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	1978
Female	2334

**Ethnicity**
Non-Hispanic White	4006
Black	178
Hispanic	0
Asian	40
Other	64
Native American	0

**Age**
From 65 to 74	1530
From 75 to 84	1360
85 and over	926
Less than 65	496

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2015

Hypertension	75
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	58
Depression	30
Chronic Kidney Disease	39
Asthma	20
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	39
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2016 were cardiac procedures, lab tests, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	751
doctor visit	1299
hospital care	446
inpatient care	432
lab tests	473
nuclear scan	72
outpatient care	14
stress testing	306
ultrasound (sonogram)	457

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	1087
Female	1310

**Ethnicity**
Non-Hispanic White	2159
Black	141
Hispanic	0
Asian	23
Other	56
Native American	0

**Age**
From 65 to 74	880
From 75 to 84	779
85 and over	470
Less than 65	268

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2016

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	59
Depression	27
Chronic Kidney Disease	44
Asthma	29
Osteoperosis	10
Atrial Fibrilation	23
Heart Failure	38
Chronic Obstructive Pulmonary Disease	26
Diabetes	38
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2017 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	809
doctor visit	1198
hospital care	616
inpatient care	574
lab tests	484
nuclear scan	72
outpatient care	42
stress testing	320
ultrasound (sonogram)	489

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	1107
Female	1223

**Ethnicity**
Non-Hispanic White	2112
Black	136
Hispanic	0
Asian	0
Other	56
Native American	0

**Age**
From 65 to 74	885
From 75 to 84	765
85 and over	455
Less than 65	225

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	62
Depression	30
Chronic Kidney Disease	46
Asthma	12
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	39
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2018 were cardiac procedures, lab tests, hospital care and inpatient care.

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	745
doctor visit	1155
hospital care	483
inpatient care	483
lab tests	505
nuclear scan	94
stress testing	358
ultrasound (sonogram)	402

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	1005
Female	1086

**Ethnicity**
Non-Hispanic White	1910
Black	102
Hispanic	0
Asian	0
Other	50
Native American	0

**Age**
From 65 to 74	795
From 75 to 84	693
85 and over	403
Less than 65	200

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2018

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	61
Depression	30
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	39
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2019 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	719
doctor visit	1184
hospital care	518
inpatient care	518
lab tests	424
nuclear scan	80
stress testing	302
ultrasound (sonogram)	431

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	999
Female	1105

**Ethnicity**
Non-Hispanic White	1902
Black	101
Hispanic	0
Asian	25
Other	63
Native American	0

**Age**
From 65 to 74	833
From 75 to 84	736
85 and over	385
Less than 65	150

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	61
Depression	31
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	39
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2020 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	973
doctor visit	1052
hospital care	346
inpatient care	346
lab tests	302
nuclear scan	157
stress testing	451
ultrasound (sonogram)	536

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	729
Female	698

**Ethnicity**
Non-Hispanic White	1276
Black	73
Hispanic	0
Asian	0
Other	50
Native American	0

**Age**
From 65 to 74	605
From 75 to 84	498
85 and over	240
Less than 65	84

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	64
Depression	26
Chronic Kidney Disease	44
Asthma	9
Osteoperosis	9
Atrial Fibrilation	26
Heart Failure	36
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2021 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	964
doctor visit	1136
hospital care	542
inpatient care	542
lab tests	233
nuclear scan	128
stress testing	385
ultrasound (sonogram)	579

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	635
Female	634

**Ethnicity**
Non-Hispanic White	1129
Black	60
Hispanic	0
Asian	0
Other	51
Native American	0

**Age**
From 65 to 74	520
From 75 to 84	466
85 and over	221
Less than 65	62

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	65
Depression	25
Chronic Kidney Disease	46
Asthma	9
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	40
Chronic Obstructive Pulmonary Disease	19
Diabetes	38
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH during 2022 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

cardiac procedures	871
doctor visit	931
hospital care	557
inpatient care	557
lab tests	106
nuclear scan	91
stress testing	318
ultrasound (sonogram)	553

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	608
Female	603

**Ethnicity**
Non-Hispanic White	1087
Black	52
Hispanic	0
Asian	0
Other	49
Native American	0

**Age**
From 65 to 74	475
From 75 to 84	454
85 and over	216
Less than 65	66

Conditions of Medicare patients treated by Dr. John Michae Mashny, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	58
Depression	22
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	14
Atrial Fibrilation	39
Heart Failure	39
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	12
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Michae Mashny, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Michae Mashny, MD treated as a cardiologist in Lebanon, OH were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

cardiac procedures	779
cardioversion	22
catheterization	21
diagnostic procedures	21
doctor visit	1151
hospital care	506
inpatient care	492
lab tests	404
minimally invasive procedures	39
nuclear scan	90
outpatient care	29
stress testing	317
ultrasound (sonogram)	472
vascular procedures	21

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Michae Mashny, MD.

**Gender**
Male	907
Female	1015

**Ethnicity**
Black / African American	94
Asian / Pacific Islander	8
Non-Hispanic White	1755
Native American / Alaskan Native	0
Hispanic	0
Other	43

**Age**
75 to 84	643
85 and over	379
Less than 65	185
65 to 74	716

Average of Total of Conditions of Medicare patients treated by Dr. John Michae Mashny, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	55
Depression	25
Chronic Kidney Disease	38
Asthma	12
Osteoporosis	9
Heart Failure	35
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Atrial Fibrillation	26
Dementia	15
Cancer	12

Education & Training

Dr. John Michae Mashny, MD graduated from University of Cincinnati College of Medicine in 1991. He completed residency at University of Michigan Affiliated Hospitals. He is certified by the American Board of Internal Medicine | Other, American Board of Internal Medicine | Other and has a state license in Ohio.

Medical School: University of Cincinnati College of Medicine (1991)

Residency: University of Michigan Affiliated Hospitals (1994)

Board Certification: American Board of Internal Medicine | Other, American Board of Internal Medicine | Other (1994)

Licensed In: Ohio

Affiliations & Hospitals

Dr. John Michae Mashny, MD is associated with these hospitals and organizations:

TriHealth

TRIHEALTH H LLC

Ratings & Reviews

Dr. John Michae Mashny, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 826 ratings. We collect ratings and reviews of Dr. John Michae Mashny, MD from all over the web to help you find the right in Lebanon, OH.

4.9

Overall Rating

(826 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-05-08

Patient verified via Press Ganey

I have always said that Dr. Mashny is one of the best cardiologists. He actively listens, responds with thoughtful and clear responses. His nurses are also very helpful and extremely professional.

Overall Rating: 5.0 2025-01-23

Patient verified via Press Ganey

1st visit with Dr. Mashny. He was great. Understood my issue and started me on path to resolve.

Overall Rating: 5.0 2025-07-12

Patient verified via Press Ganey

Wonderful wonderful wonderful staff! Dr amazing, MA amazing and receptionist amazing!

Overall Rating: 5.0 2024-06-05

Patient verified via Press Ganey

I've already referred several people to Dr Mashny and they love him!

Overall Rating: 5.0 2025-10-17

Patient verified via Press Ganey

Dr. Mashney listen to my concerns and reacted accordingly

Overall Rating: 5.0 2024-04-01

Patient verified via Press Ganey

Very pleased by all the staff and the Doctor

Overall Rating: 5.0 2025-04-01

Patient verified via Press Ganey

Doctor listens to me and is never in a rush

Overall Rating: 5.0 2026-03-14

Patient verified via Press Ganey

I saw Dr. Mashney and have for many years.

Overall Rating: 5.0 2025-09-20

Patient verified via Press Ganey

Explained everything thing to me

Overall Rating: 5.0 2025-03-18

Patient verified via Press Ganey

Doctor Mashny is awesome!

To see all 826 reviews for Dr. John Michae Mashny, MD, view their full profile.

General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$435 BRILINTA $391	CRESTOR $32	LOKELMA $12
Janssen Pharmaceuticals, Inc	$362 XARELTO $340	INVOKANA $22
Pfizer Inc.	$335 ELIQUIS $304	NURTEC ODT $16	PAXLOVID $15
Novartis Pharmaceuticals Corporation	$242 ENTRESTO $191	LEQVIO $30	NON BRAND $21
Astellas Pharma US Inc	$198 Lexiscan $63	$135
Other	$1,372 LifeVest $206	SAMSCA $164	ELIQUIS $131	Pradaxa $92	PRALUENT $73	Other $707

**Types of Payments**
Food and Beverage	$2,547
Education	$398

Biography

Dr. John Mashny's area of specialization is adult cardiology. The average patient rating for Dr. Mashny is 5.0 stars (out of 5). He attended the University of Cincinnati College of Medicine and then went on to complete his residency at a hospital affiliated with the University of Michigan. He is professionally affiliated with TriHealth. According to Doctor.com, he is currently accepting new patients at his office in Hamilton, OH.