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Dr. Juan O. Hernandez, MD

(Juan O. Hernandez, MD)

(No ratings)

Specializes in: Cardiology (Heart Disease)

Ponce School of Medicine (1984)

901 S. Oakland Street Suite 101
St. Johns, MI 48879

(616) 523-1355

Dr. Juan O. Hernandez, MD is a cardiologist in St. Johns, MI specializing in cardiology (heart disease). He graduated from Ponce School of Medicine in 1984 and has 42 years of experience. Dr. Juan O. Hernandez, MD is affiliated with University of Michigan Health-Sparrow.

Office Locations

901 S. Oakland Street Suite 101
St. Johns, MI 48879

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300 Health Park Drive Suite 301
Owosso, MI 48867

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321 E. Harris Street
Charlotte, MI 48813

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245 S. 2nd Street
Carson City, MI 48811

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301 Williamston Center Road
Williamston, MI 48895

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3565 S. State Road
Ionia, MI 48446

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1140 E. Michigan Avenue Suite 400
Lansing, MI 48912

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Noteworthy Medicare Patient Procedures Performed by Dr. Juan O. Hernandez, MD in 2023

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

Top 5%

By Affordability:

cardiac imaging

color Doppler echocardiography

Doppler echocardiography

echocardiogram

electrocardiogram

myocardial perfusion SPECT

spectral Doppler echocardiography

SPECT scan

stress EKG

transthoracic echocardiography

In 2023, Dr. Juan O. Hernandez, MD had a list price for cardiac imaging, color Doppler echocardiography, Doppler echocardiography, echocardiogram (echo), electrocardiogram (EKG), myocardial perfusion SPECT, spectral Doppler echocardiography, SPECT scan, stress EKG, and transthoracic echocardiography (TTE) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Michigan. 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 Affordability:

nuclear scan

nuclear stress test

In 2023, Dr. Juan O. Hernandez, MD had a list price for nuclear scan, and nuclear stress test (myocardial perfusion imaging) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Michigan. 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:

cardiac stress testing

myocardial perfusion SPECT

nuclear scan

stress EKG

By Affordability:

cardiac stress testing

stress testing

In 2012, among providers in related specialties within Michigan, Dr. Juan O. Hernandez, MD performed more cardiac (heart) stress testing, myocardial perfusion SPECT, nuclear scan, and stress EKG procedures for Medicare patients than 75% of them and he also had a list price for cardiac (heart) stress testing, and stress testing 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. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2012 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	616
doctor visit	984
hospital care	72
inpatient care	72
nuclear scan	187
stress testing	367
ultrasound (sonogram)	249

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2013 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	695
doctor visit	942
hospital care	112
inpatient care	112
nuclear scan	188
stress testing	387
ultrasound (sonogram)	308

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	461
Female	539

**Ethnicity**
Non-Hispanic White	976
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	344
From 75 to 84	358
85 and over	179
Less than 65	119

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2013

Hypertension	75
High Cholesterol	72
Stroke	6
Ischemic Heart Disease	63
Depression	22
Chronic Kidney Disease	25
Asthma	10
Osteoperosis	7
Atrial Fibrilation	27
Heart Failure	31
Chronic Obstructive Pulmonary Disease	29
Diabetes	36
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2014 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	691
doctor visit	844
hospital care	89
inpatient care	89
nuclear scan	192
stress testing	392
ultrasound (sonogram)	299

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	455
Female	504

**Ethnicity**
Non-Hispanic White	923
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	337
85 and over	187
Less than 65	125

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	57
Depression	24
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	7
Atrial Fibrilation	28
Heart Failure	31
Chronic Obstructive Pulmonary Disease	26
Diabetes	37
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2015 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	644
doctor visit	908
hospital care	102
inpatient care	102
nuclear scan	183
stress testing	363
ultrasound (sonogram)	281

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	886
Female	1038

**Ethnicity**
Non-Hispanic White	1872
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	602
From 75 to 84	656
85 and over	390
Less than 65	276

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2015

Hypertension	72
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	59
Depression	24
Chronic Kidney Disease	28
Asthma	18
Osteoperosis	8
Atrial Fibrilation	29
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	35
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2016 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	779
doctor visit	1161
hospital care	101
inpatient care	101
nuclear scan	207
stress testing	406
ultrasound (sonogram)	373

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	529
Female	558

**Ethnicity**
Non-Hispanic White	1056
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	365
From 75 to 84	369
85 and over	196
Less than 65	157

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	57
Depression	23
Chronic Kidney Disease	33
Asthma	29
Osteoperosis	6
Atrial Fibrilation	25
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2017 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	723
doctor visit	1108
hospital care	88
inpatient care	88
nuclear scan	212
stress testing	427
ultrasound (sonogram)	296

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	509
Female	530

**Ethnicity**
Non-Hispanic White	1007
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	345
85 and over	203
Less than 65	169

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2017

Hypertension	75
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	56
Depression	24
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	6
Atrial Fibrilation	29
Heart Failure	34
Chronic Obstructive Pulmonary Disease	29
Diabetes	37
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2018 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	669
doctor visit	865
hospital care	122
inpatient care	122
nuclear scan	181
stress testing	362
ultrasound (sonogram)	307

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	451
Female	504

**Ethnicity**
Non-Hispanic White	914
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	336
From 75 to 84	275
85 and over	194
Less than 65	150

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	56
Depression	27
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	8
Atrial Fibrilation	29
Heart Failure	35
Chronic Obstructive Pulmonary Disease	31
Diabetes	36
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2019 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	612
doctor visit	960
hospital care	106
inpatient care	106
nuclear scan	149
stress testing	324
ultrasound (sonogram)	288

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	446
Female	491

**Ethnicity**
Non-Hispanic White	898
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	299
85 and over	163
Less than 65	143

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	57
Depression	32
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	6
Atrial Fibrilation	28
Heart Failure	37
Chronic Obstructive Pulmonary Disease	30
Diabetes	39
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2020 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	332
doctor visit	704
hospital care	48
inpatient care	48
nuclear scan	94
stress testing	197
ultrasound (sonogram)	135

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	409
Female	439

**Ethnicity**
Non-Hispanic White	814
Black	0
Hispanic	11
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	287
From 75 to 84	282
85 and over	150
Less than 65	129

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2020

Hypertension	75
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	58
Depression	24
Chronic Kidney Disease	40
Asthma	8
Osteoperosis	6
Atrial Fibrilation	33
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	40
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	464
doctor visit	803
hospital care	65
inpatient care	65
nuclear scan	105
stress testing	225
ultrasound (sonogram)	239

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	452
Female	507

**Ethnicity**
Non-Hispanic White	903
Black	21
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	363
From 75 to 84	281
85 and over	166
Less than 65	149

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	57
Depression	29
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	8
Atrial Fibrilation	36
Heart Failure	35
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2022 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	414
doctor visit	764
hospital care	28
inpatient care	28
nuclear scan	103
stress testing	233
ultrasound (sonogram)	181

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	429
Female	484

**Ethnicity**
Non-Hispanic White	863
Black	0
Hispanic	14
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	319
From 75 to 84	322
85 and over	162
Less than 65	110

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	47
Depression	25
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	15
Atrial Fibrilation	47
Heart Failure	36
Chronic Obstructive Pulmonary Disease	30
Diabetes	36
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI during 2023 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

cardiac procedures	481
doctor visit	706
hospital care	15
inpatient care	15
nuclear scan	113
stress testing	236
ultrasound (sonogram)	245

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	590
Female	607

**Ethnicity**
Non-Hispanic White	1105
Black	0
Hispanic	28
Asian	0
Other	35
Native American	0

**Age**
From 65 to 74	450
From 75 to 84	404
85 and over	199
Less than 65	144

Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	49
Depression	26
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	13
Atrial Fibrilation	45
Heart Failure	34
Chronic Obstructive Pulmonary Disease	28
Diabetes	36
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Juan O. Hernandez, MD for Medicare patients.

The highest averages for the top procedures that Dr. Juan O. Hernandez, MD treated as a cardiologist in St. Johns, MI were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

cardiac procedures	593
doctor visit	895
hospital care	79
inpatient care	79
nuclear scan	159
stress testing	326
ultrasound (sonogram)	266

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Juan O. Hernandez, MD.

**Gender**
Male	468
Female	516

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	944
Hispanic	7
Native American / Alaskan Native	0
Other	11

**Age**
75 to 84	327
85 and over	182
Less than 65	139
65 to 74	335

Average of Total of Conditions of Medicare patients treated by Dr. Juan O. Hernandez, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Juan O. Hernandez, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	51
Depression	23
Chronic Kidney Disease	30
Asthma	11
Osteoporosis	7
Heart Failure	30
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Atrial Fibrillation	29
Cancer	11
Dementia	10

Education & Training

Dr. Juan O. Hernandez, MD graduated from Ponce School of Medicine in 1984. He completed residency at Akron General Medical Center. He is certified by the American Board of Internal Medicine - American Board of Internal Medicine - IM, Cardiovascular Disease and has a state license in Michigan.

Medical School: Ponce School of Medicine (1984)

Residency: Akron General Medical Center (1987)

Board Certification: American Board of Internal Medicine - American Board of Internal Medicine - IM, Cardiovascular Disease

Licensed In: Michigan

Affiliations & Hospitals

Dr. Juan O. Hernandez, MD is associated with these hospitals and organizations:

University of Michigan Health-Sparrow

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$1,070 XARELTO $1,010	INVOKANA $60
Novartis Pharmaceuticals Corporation	$877 ENTRESTO $670	LEQVIO $207
Pfizer Inc.	$760 ELIQUIS $349	VYNDAQEL $178	PAXLOVID $133	VIAGRA $66	CHANTIX $34
Astellas Pharma US Inc	$680 Lexiscan $86	$594
E.R. Squibb & Sons, L.L.C.	$562 ELIQUIS $543	CAMZYOS $19
Other	$5,187 JARDIANCE $443	CoreValve Evolut $408	LifeVest $402	Repatha $400	MULTAQ $302	Other $3,231

**Types of Payments**
Food and Beverage	$7,886
Education	$841
Travel and Lodging	$408

Biography

Dr. Juan Hernandez is a cardiology (heart disease) specialist in Owosso, MI, Lansing, MI, and Saint Johns, MI. Dr. Hernandez's education and training includes medical school at Ponce School of Medicine and residency at Akron General Medical Center. He is affiliated with the University of Michigan Health-Sparrow.