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Dr. William J. Gray, MD

Accepting New Patients

(163 Ratings)

Specializes in: Internal Medicine (Adult Medicine) and General Pediatrics

Michigan State University College of Human Medicine (1995)

157 Westbrooke Lane
Blissfield, MI 49228

(517) 486-2411

Dr. William J. Gray, MD is an internist in Blissfield, MI specializing in internal medicine (adult medicine) and general pediatrics. He graduated from Michigan State University College of Human Medicine in 1995 and has 31 years of experience. Dr. William J. Gray, MD is affiliated with ProMedica and ProMedica Provider.

Office Locations

157 Westbrooke Lane
Blissfield, MI 49228

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157 W Brooke Ln Blissfield Mi
Blissfield, MI 49228

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Noteworthy Medicare Patient Procedures Performed by Dr. William J. Gray, MD in 2023

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

Top 5%

By Affordability:

A1C test

glycated protein test

In 2023, Dr. William J. Gray, MD had a list price for A1C test, and glycated protein test 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:

diabetes screening

In 2023, Dr. William J. Gray, MD had a list price for diabetes screening 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 Affordability:

blood tests

diabetes management

In 2012, Dr. William J. Gray, MD had a list price for blood tests, and diabetes management that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2012 were lab tests, preventive care, diabetes management and vaccines.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

breathing treatment	18
diabetes management	127
doctor visit	1025
hospital care	13
inpatient care	13
lab tests	234
preventive care	229
vaccines	102

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2013 were preventive care, lab tests, vaccines and diabetes management.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

breathing treatment	14
diabetes management	276
doctor visit	1906
lab tests	442
preventive care	607
vaccines	345

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	306
Female	452

**Ethnicity**
Non-Hispanic White	731
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	218
85 and over	104
Less than 65	140

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2013

Hypertension	71
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	5
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	36
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2014 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

breathing treatment	16
diabetes management	221
doctor visit	1507
ear procedures	11
lab tests	351
preventive care	409
vaccines	188

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	266
Female	387

**Ethnicity**
Non-Hispanic White	619
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	180
85 and over	97
Less than 65	136

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2014

Hypertension	68
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	32
Depression	23
Chronic Kidney Disease	27
Asthma	5
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2015 were preventive care, lab tests, vaccines and diabetes management.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

diabetes management	190
doctor visit	1069
ear procedures	13
lab tests	275
preventive care	453
vaccines	263

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	456
Female	642

**Ethnicity**
Non-Hispanic White	1054
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	434
From 75 to 84	282
85 and over	152
Less than 65	230

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2015

Hypertension	65
High Cholesterol	47
Stroke	2
Ischemic Heart Disease	28
Depression	22
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2016 were preventive care, lab tests, vaccines and diabetes management.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

diabetes management	184
doctor visit	1139
ear procedures	18
lab tests	276
preventive care	394
vaccines	210

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	248
Female	360

**Ethnicity**
Non-Hispanic White	572
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	164
85 and over	76
Less than 65	119

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2016

Hypertension	61
High Cholesterol	46
Stroke	2
Ischemic Heart Disease	26
Depression	22
Chronic Kidney Disease	27
Asthma	19
Osteoperosis	6
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2017 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

diabetes management	181
doctor visit	1081
lab tests	308
preventive care	341
vaccines	160

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	229
Female	331

**Ethnicity**
Non-Hispanic White	518
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	159
85 and over	74
Less than 65	103

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2017

Hypertension	66
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2018 were preventive care, lab tests, vaccines and diabetes management.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

diabetes management	116
doctor visit	622
lab tests	228
preventive care	238
vaccines	122

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	179
Female	202

**Ethnicity**
Non-Hispanic White	354
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	125
85 and over	52
Less than 65	62

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2018

Hypertension	68
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	29
Depression	23
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2019 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

diabetes management	103
doctor visit	459
lab tests	136
preventive care	176
vaccines	73

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	142
Female	120

**Ethnicity**
Non-Hispanic White	246
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	87
85 and over	40
Less than 65	43

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2019

Hypertension	72
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2020 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

diabetes management	85
doctor visit	303
lab tests	85
preventive care	127
vaccines	42

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	119
Female	81

**Ethnicity**
Non-Hispanic White	186
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	73
85 and over	26
Less than 65	25

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2020

Hypertension	66
High Cholesterol	42
Stroke	0
Ischemic Heart Disease	36
Depression	20
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	36
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2021 were preventive care, lab tests, diabetes management and vaccines.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

diabetes management	80
doctor visit	307
lab tests	80
preventive care	116
vaccines	36

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	111
Female	79

**Ethnicity**
Non-Hispanic White	177
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	71
85 and over	29
Less than 65	21

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2021

Hypertension	68
High Cholesterol	41
Stroke	0
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	35
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI during 2022 were lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

diabetes management	62
doctor visit	273
lab tests	62
preventive care	62

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	102
Female	78

**Age**
From 65 to 74	60
From 75 to 84	73
85 and over	25
Less than 65	22

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2022

Hypertension	73
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	13
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. William J. Gray, MD for Medicare patients.

The highest averages for the top procedures that Dr. William J. Gray, MD treated as an internist in Blissfield, MI were preventive care, lab tests, vaccines and diabetes management.

diabetes management	147
doctor visit	881
ear procedures	14
hospital care	13
inpatient care	13
lab tests	225
preventive care	286
vaccines	154

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. William J. Gray, MD.

**Gender**
Male	196
Female	248

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	405
Hispanic	4
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	130
85 and over	61
Less than 65	81
65 to 74	171

Average of Total of Conditions of Medicare patients treated by Dr. William J. Gray, MD From 2012 - 2022

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

Hypertension	61
High Cholesterol	45
Stroke	1
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	26
Asthma	6
Osteoporosis	5
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Atrial Fibrillation	10
Cancer	8
Dementia	6

Education & Training

Dr. William J. Gray, MD graduated from Michigan State University College of Human Medicine in 1995. He completed residency at Beaumont Hospitals. He is certified by the American Board of Pediatrics and has a state license in Michigan.

Medical School: Michigan State University College of Human Medicine (1995)

Residency: Beaumont Hospitals

Board Certification: American Board of Pediatrics

Licensed In: Michigan

Affiliations & Hospitals

Dr. William J. Gray, MD is associated with these hospitals and organizations:

ProMedica

ProMedica Provider

Ratings & Reviews

Dr. William J. Gray, MD has an exceptional overall rating with an average of 4.84 out of 5 stars based on 163 ratings. We collect ratings and reviews of Dr. William J. Gray, MD from all over the web to help you find the right in Blissfield, MI.

4.84

Overall Rating

(163 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2026-01-06

Patient verified via Press Ganey

Have had Dr. Gray for years feel comfortable talking and asking questions

Overall Rating: 5.0 2025-08-06

Patient verified via Press Ganey

Dr. Listened to all my concerns and provided excellent care and answers

General Payments

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

**Payments by Company**
ABIOMED	$2,998 Impella $2,998
Novo Nordisk Inc	$1,094 Victoza $315	Tresiba $294	Saxenda $186	Ozempic $96	Levemir $38	Other $164
Pfizer Inc.	$773 COLOGUARD $173	LYRICA $119	NURTEC ODT $97	EUCRISA $60	VIAGRA $58	Other $265
Lilly USA, LLC	$526 BASAGLAR $179	GLYXAMBI $91	FORTEO $81	JARDIANCE $69	TRULICITY $36	Other $69
Janssen Pharmaceuticals, Inc	$451 INVOKANA $314	XARELTO $126	INVOKAMET $11
Other	$2,181 TOUJEO $313	Repatha $180	Trintellix $148	ENTRESTO $135	Contrave $108	Other $1,297

**Types of Payments**
Food and Beverage	$4,996
Travel and Lodging	$2,998
Education	$28

Biography

Dr. William Gray is a general pediatrics specialist in Morenci, MI and Blissfield, MI. Before performing his residency at Beaumont Hospitals, Dr. Gray attended Michigan State University College of Human Medicine for medical school. The average patient rating for Dr. Gray is 5.0 stars (out of 5). He is affiliated with ProMedica. Doctor.com reports that Dr. Gray is accepting new patients at his office in Blissfield, MI.

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Dr. William J. Gray, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William J. Gray, MD in 2023

By Affordability:

By Affordability:

By Affordability:

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. William J. Gray, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William J. Gray, 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. William J. Gray, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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