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Home > NC Providers > Endocrinologists

Dr. John B. Buse, MD PhD

(John B. Buse, MD, PhD)

(15 Ratings)

Specializes in: Endocrinology Diabetes & Metabolism and General Practice

Duke University School of Medicine (1986)

Professional interests include: diabetes, hypoglycemia (low blood sugar)

100 Eastowne Drive
Chapel Hill, NC 27514

(984) 974-2950

Dr. John B. Buse, MD PhD is an endocrinologist in Chapel Hill, NC specializing in endocrinology diabetes & metabolism and general practice. He graduated from Duke University School of Medicine in 1986 and has 40 years of experience. Dr. John B. Buse, MD PhD is affiliated with UNC Health, UNC Hospitals and UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL.

Office Locations

100 Eastowne Drive
Chapel Hill, NC 27514

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In The News (see more mentions in the news)

“"I think that the combination of greater awareness of obesity as a medical problem and the availability of highly effective weight loss therapies like the GLP-1 drugs are combining to stem the tide...”—"What's behind the drop in US obesity", Newsweek, November 2025

“"Even in the absence of a previous heart attack or stroke, adults with type 2 diabetes face an increased risk of cardiovascular events, underscoring the need for therapies that go beyond managing...”—"FDA Approves GLP-1 Pill for Primary, Secondary Cardiovascular Protection", MedPage Today, October 2025

“Among 136 patients, the least squares mean change in HbA1c was -1.47% with mifepristone versus -0.15% with placebo at 24 weeks (P<0.001), reported John Buse, MD, PhD, of the University of North...”—"Telehealth Scripts Contribute To Continued Rise In Abortion Numbers - KFF Health News", KFF Health News, June 2025

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	201

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	177

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	62
Female	51

**Ethnicity**
Non-Hispanic White	89
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2013

Hypertension	75
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	47
Depression	26
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John B. Buse, MD PhD treated as an endocrinologist in Chapel Hill, NC during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	147
hospital care	48
inpatient care	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	67
Female	64

**Ethnicity**
Non-Hispanic White	97
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	0
85 and over	0
Less than 65	39

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2014

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	41
Depression	34
Chronic Kidney Disease	49
Asthma	13
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	25
Chronic Obstructive Pulmonary Disease	14
Diabetes	75
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	128

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	102
Female	90

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2015

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	42
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John B. Buse, MD PhD treated as an endocrinologist in Chapel Hill, NC during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	159
hospital care	23
inpatient care	23

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	48
Female	60

**Ethnicity**
Non-Hispanic White	83
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	46
From 75 to 84	0
85 and over	0
Less than 65	31

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2016

Hypertension	75
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	36
Depression	33
Chronic Kidney Disease	54
Asthma	15
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	26
Chronic Obstructive Pulmonary Disease	13
Diabetes	75
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John B. Buse, MD PhD treated as an endocrinologist in Chapel Hill, NC during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	153
hospital care	34
inpatient care	34

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	62
Female	56

**Ethnicity**
Non-Hispanic White	87
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	0
85 and over	0
Less than 65	41

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2017

Hypertension	75
High Cholesterol	63
Stroke	9
Ischemic Heart Disease	36
Depression	33
Chronic Kidney Disease	67
Asthma	13
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	75
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	152

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	49
Female	44

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

**Age**
From 65 to 74	38
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2018

Hypertension	75
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	57
Asthma	14
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	140

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	42
Female	31

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

**Age**
From 65 to 74	32
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	41
Depression	32
Chronic Kidney Disease	60
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	30
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	108

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	37
Female	30

**Ethnicity**
Non-Hispanic White	55
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	30
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	45
Depression	25
Chronic Kidney Disease	63
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	25
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	150

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	38
Female	39

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

**Age**
From 65 to 74	29
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	45
Depression	26
Chronic Kidney Disease	57
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	17
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

doctor visit	159

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	34
Female	35

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

**Age**
From 65 to 74	24
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	39
Depression	26
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	19
Atrial Fibrilation	17
Heart Failure	19
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John B. Buse, MD PhD for Medicare patients.

The highest averages for the top procedures that Dr. John B. Buse, MD PhD treated as an endocrinologist in Chapel Hill, NC were hospital care and inpatient care.

doctor visit	152
hospital care	35
inpatient care	35

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John B. Buse, MD PhD.

**Gender**
Male	49
Female	45

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	73
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	19
85 and over	0
Less than 65	10
65 to 74	40

Average of Total of Conditions of Medicare patients treated by Dr. John B. Buse, MD PhD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John B. Buse, MD PhD treated were diabetes, hypertension, high cholesterol and chronic kidney disease.

Hypertension	68
High Cholesterol	64
Stroke	2
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	47
Asthma	5
Osteoporosis	2
Heart Failure	21
Chronic Obstructive Pulmonary Disease	5
Diabetes	68
Atrial Fibrillation	5
Dementia	2
Cancer	4

Education & Training

Dr. John B. Buse, MD PhD graduated from Duke University School of Medicine in 1986. He completed residency at University of Chicago Affiliated Hospitals. He is certified by the Internal Medicine, Board Certified and has a state license in North Carolina.

Medical School: Duke University School of Medicine (1986)

Residency: University of Chicago Affiliated Hospitals (1988)

Board Certification: Internal Medicine, Board Certified (1989)

Licensed In: North Carolina

Affiliations & Hospitals

Dr. John B. Buse, MD PhD is associated with these hospitals and organizations:

UNC Health

UNC Hospitals

UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. John B. Buse, MD PhD appears to accept the following insurance providers: WellCare, AmeriHealth Caritas, Aetna, Humana, Cigna, BlueCross BlueShield of North Carolina (BCBSNC), MedCost, UnitedHealthcare, Carolina Complete Health, Liberty Advantage, Contigo Health, Veterans Affairs, Medicare Advantage, United Healthcare, Medicaid, OptumHealth Behavioral Solutions (United Behavioral Health), CHAMPVA, Centene, Group Health Plan (GHP), HealthTeam Advantage, MedCost PPO, FirstCarolinaCare Insurance Company Group Health Plans, North Carolina State Health Plan, Atlantic (Packaging) Corporation, Inc. (administered by Lucent Health), BCBSNC Blue Home with UNC Health Alliance (Blue Home with Novant Health is out of network), FirstCarolinaCare FirstMedicare Direct, Contigo Health Plan (WakeMed employees only) (out-of-network beginning January 1, 2026), Aetna Premier Care Network Plus (APCN+) (Tier 2), BCBSNC Group Health Plans (except for Blue High Performance Network (BlueHPN)), Aetna Whole Health (Tier 2), Meritain Health, an Aetna Company, Longevity Health Plan I-SNP and Veterans Affairs Community Care Network.

Insurance Accepted by Provider includes:

According to our sources, Dr. John B. Buse, MD PhD accepts the following insurance providers:

WellCare

AmeriHealth Caritas

Aetna

Humana

Cigna

BlueCross BlueShield of North Carolina (BCBSNC)

MedCost

UnitedHealthcare

Carolina Complete Health

Liberty Advantage

Contigo Health

Veterans Affairs

Medicare Advantage

United Healthcare

Medicaid

OptumHealth Behavioral Solutions (United Behavioral Health)

CHAMPVA

Centene

Group Health Plan (GHP)

HealthTeam Advantage

MedCost PPO

FirstCarolinaCare Insurance Company Group Health Plans

North Carolina State Health Plan

Atlantic (Packaging) Corporation, Inc. (administered by Lucent Health)

BCBSNC Blue Home with UNC Health Alliance (Blue Home with Novant Health is out of network)

FirstCarolinaCare FirstMedicare Direct

Contigo Health Plan (WakeMed employees only) (out-of-network beginning January 1, 2026)

Aetna Premier Care Network Plus (APCN+) (Tier 2)

BCBSNC Group Health Plans (except for Blue High Performance Network (BlueHPN))

Aetna Whole Health (Tier 2)

Meritain Health, an Aetna Company

Longevity Health Plan I-SNP

Veterans Affairs Community Care Network

Ratings & Reviews

Dr. John B. Buse, MD PhD has an exceptional overall rating with an average of 4.96 out of 5 stars based on 15 ratings. We collect ratings and reviews of Dr. John B. Buse, MD PhD from all over the web to help you find the right in Chapel Hill, NC.

4.96

Overall Rating

(15 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Novo Nordisk AS	$341,023 Victoza $120,102	RYBELSUS $10,760	Ozempic $9,907	FIASP $9,540	Saxenda $7,875	Other $182,840
Eli Lilly and Company	$111,525 TRULICITY $12,672	$98,853
Novo Nordisk Inc	$95,121 Xultophy 100/3.6 $10,227	Victoza $6,088	Ozempic $1,724	RYBELSUS $750	Saxenda $120	Other $76,212
Boehringer Ingelheim International GmbH	$24,193 JARDIANCE $24,193
CeQur Corporation	$14,129 CeQur Simplicity $14,129
Other	$65,979 JANUVIA $11,895	Korlym $11,204	BYETTA $7,516	Dasiglucagon $3,750	Dexcom G6 CGM System $3,549	Other $28,064

**Types of Payments**
Consulting Fee	$360,609
Travel and Lodging	$235,630
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$31,106
Food and Beverage	$15,614
Honoraria	$9,010

Research Payments

Dr. John B. Buse, MD PhD has received 3721 research payments totaling $3,372,775.

Biography

Dr. John Buse is a physician who specializes in general practice and endocrinology. He graduated from Duke University School of Medicine and then he performed his residency at a hospital affiliated with the University of Chicago. His areas of expertise include diabetes and hypoglycemia (low blood sugar). Patients gave Dr. Buse an average rating of 5.0 stars (out of 5). He accepts several insurance carriers, including UnitedHealthcare, Blue California, and Coventry. He is conversant in Spanish. Dr. Buse is affiliated with UNC Hospitals. Unfortunately, according to Yext, he is not currently accepting new patients.