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Home > NC Providers > Hepatologists

Dr. Anna Mae E. Diehl, MD

Accepting New Patients

(Dr. Anna Mae Diehl, M.D.)

(117 Ratings)

Specializes in: Hepatology (Liver Disease) and Gastroenterology (Digestive System)

Georgetown University School of Medicine (1978)

200 Trent Drive, Ds - Orange Zone Suite 03107 Box 3913
Durham, NC 27710

(919) 684-2366

Dr. Anna Mae E. Diehl, MD is a hepatologist in Durham, NC specializing in hepatology (liver disease) and gastroenterology (digestive system). She graduated from Georgetown University School of Medicine in 1978 and has 48 years of experience. Dr. Anna Mae E. Diehl, MD is affiliated with Duke Health.

Office Locations

200 Trent Drive, Ds - Orange Zone Suite 03107 Box 3913
Durham, NC 27710

(919) 684-2366

(919) 684-8857

open_in_new

Duke Health

40 Duke Medicine Circle
Durham, NC 27710

(919) 684-1817

(919) 479-2664

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Anna Mae E. Diehl, MD in 2023

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

Top 5%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. Anna Mae E. Diehl, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within North Carolina. 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. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	81
hospital care	95
inpatient care	95

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	60
hospital care	46
inpatient care	46

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	26
Female	54

**Age**
From 65 to 74	44
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2013

Hypertension	73
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	18
Depression	28
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	25
Chronic Obstructive Pulmonary Disease	0
Diabetes	63
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	58
hospital care	69
inpatient care	69

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	34
Female	46

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

**Age**
From 65 to 74	50
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2014

Hypertension	71
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	31
Depression	39
Chronic Kidney Disease	39
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	50
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	131
hospital care	148
inpatient care	148

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	142
Female	168

**Ethnicity**
Non-Hispanic White	244
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	0
85 and over	0
Less than 65	108

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2015

Hypertension	75
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	36
Depression	39
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	57
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	102

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	28
Female	72

**Ethnicity**
Non-Hispanic White	79
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	24

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2016

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	33
Depression	30
Chronic Kidney Disease	50
Asthma	23
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	61
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	80
hospital care	46
inpatient care	46

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	34
Female	63

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	18
85 and over	0
Less than 65	24

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2017

Hypertension	75
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	32
Depression	39
Chronic Kidney Disease	62
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	24
Chronic Obstructive Pulmonary Disease	0
Diabetes	63
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	64
hospital care	35
inpatient care	35

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	31
Female	51

**Ethnicity**
Non-Hispanic White	68
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	0
85 and over	0
Less than 65	19

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	29
Depression	41
Chronic Kidney Disease	60
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	27
Chronic Obstructive Pulmonary Disease	15
Diabetes	72
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	64
hospital care	33
inpatient care	33

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	32
Female	59

**Ethnicity**
Non-Hispanic White	74
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	21
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2019

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	57
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	0
Diabetes	57
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	36

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	26
Female	41

**Age**
From 65 to 74	39
From 75 to 84	16
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2020

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	30
Depression	25
Chronic Kidney Disease	63
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	0
Diabetes	63
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	50

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	18
Female	42

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

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	53
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	30
Chronic Obstructive Pulmonary Disease	0
Diabetes	70
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

doctor visit	37
hospital care	18
inpatient care	18

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	27
Female	29

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

Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	38
Depression	34
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	0
Atrial Fibrilation	27
Heart Failure	30
Chronic Obstructive Pulmonary Disease	0
Diabetes	57
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Anna Mae E. Diehl, MD for Medicare patients.

The highest averages for the top procedures that Dr. Anna Mae E. Diehl, MD treated as a hepatologist in Durham, NC were hospital care and inpatient care.

doctor visit	69
hospital care	61
inpatient care	61

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Anna Mae E. Diehl, MD.

**Gender**
Male	36
Female	56

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	56
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	5
85 and over	0
Less than 65	15
65 to 74	52

Average of Total of Conditions of Medicare patients treated by Dr. Anna Mae E. Diehl, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Anna Mae E. Diehl, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	67
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	28
Depression	30
Chronic Kidney Disease	46
Asthma	3
Osteoporosis	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	5
Diabetes	55
Atrial Fibrillation	3
Dementia	0
Cancer	3

Education & Training

Dr. Anna Mae E. Diehl, MD graduated from Georgetown University School of Medicine in 1978. She completed residency at Johns Hopkins University Affiliated Hospitals. She is certified by the American Board of Internal Med, Internal Medicine and has a state license in North Carolina.

Medical School: Georgetown University School of Medicine (1978)

Residency: Johns Hopkins University Affiliated Hospitals (1981)

Board Certification: American Board of Internal Med, Internal Medicine

Licensed In: North Carolina

Affiliations & Hospitals

Dr. Anna Mae E. Diehl, MD is associated with these hospitals and organizations:

Duke Health

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. Anna Mae E. Diehl, MD appears to accept the following insurance providers: MedCost, Aetna Traditional Choice, Aetna Medicare PPO, BlueCross BlueShield of North Carolina, CIGNA Open Access Plus, WellCare, AmeriHealth, Medicare Part B, Medicare Advantage, AARP, CIGNA Open Access, United Healthcare PPO, United Healthcare POS, United Healthcare HMO, Aetna, Aetna Workers' Compensation, TRICARE Prime, TRICARE Prime Remote, United Healthcare, Aetna Open Choice PPO, Medicare, Medicaid, Humana, Cigna, TRICARE, Harvard Pilgrim Health Care, Aetna Managed Choice POS, Gateway Health Alliance, Aetna HMO, Alliance Health (*Beginning January 2026), *Duke HomeCare and Hospice does not participate in the plan., Duke Employee Plans, Blue Options (123, PPO, HSA), *Duke HomeCare and Hospice and mental health providers do not participate with the plan., Aetna Quality Point of Service (QPOS), Aetna Choice POS, Aetna Choice POS II, Duke Advantage (*Beginning January 2026), Aetna Medicare Value Plan (HMO), Blue Advantage (*Available in select counties only), Duke Options (*Beginning January 2026), Duke Basic, Duke USA (*Beginning January 2026), Ambetter, Experience Health, Aetna Select HMO, Aetna PCP Coordinated POS Plan, Blue Select, Blue Medicare (HMO, PPO)*, Aetna Limited Benefit Insurance PPO, Vaya Health (*Beginning January 2026), Healthy Blue, Trillium (*Beginning January 2026), Aetna Health Network Only, Aetna Health Network Option, All Savers Fully Insured, Blue Value (*Duke Health Lake Norman and Kernodle Clinics only), First Medicare Direct, Carolina Complete Health, Healthgram, All Savers Alternate Funding, Aetna Medicare Assure Plan (HMO D-SNP), Aetna/CVS Health, Aetna Elect Choice HMO, Aetna Open Access Elect Choice, Partners (*Beginning January 2026), Aetna Voluntary Indemnity Group Plan, Duke Select, Aetna Open Access HMO, Open Access Aetna Select, Aetna Open Access Managed Choice, NC State Employees Health Plan, Ambetter of North Carolina and United Medical Resources (UMR).

Insurance Accepted by Provider includes:

According to our sources, Dr. Anna Mae E. Diehl, MD accepts the following insurance providers:

MedCost

Aetna Traditional Choice

Aetna Medicare PPO

BlueCross BlueShield of North Carolina

CIGNA Open Access Plus

WellCare

AmeriHealth

Medicare Part B

Medicare Advantage

AARP

CIGNA Open Access

United Healthcare PPO

United Healthcare POS

United Healthcare HMO

Aetna

Aetna Workers' Compensation

TRICARE Prime

TRICARE Prime Remote

United Healthcare

Aetna Open Choice PPO

Medicare

Medicaid

Humana

Cigna

TRICARE

Harvard Pilgrim Health Care

Aetna Managed Choice POS

Gateway Health Alliance

Aetna HMO

Alliance Health (*Beginning January 2026)

*Duke HomeCare and Hospice does not participate in the plan.

Duke Employee Plans

Blue Options (123, PPO, HSA)

*Duke HomeCare and Hospice and mental health providers do not participate with the plan.

Aetna Quality Point of Service (QPOS)

Aetna Choice POS, Aetna Choice POS II

Duke Advantage (*Beginning January 2026)

Aetna Medicare Value Plan (HMO)

Blue Advantage (*Available in select counties only)

Duke Options (*Beginning January 2026)

Duke Basic

Duke USA (*Beginning January 2026)

Ambetter

Experience Health

Aetna Select HMO

Aetna PCP Coordinated POS Plan

Blue Select

Blue Medicare (HMO, PPO)*

Aetna Limited Benefit Insurance PPO

Vaya Health (*Beginning January 2026)

Healthy Blue

Trillium (*Beginning January 2026)

Aetna Health Network Only, Aetna Health Network Option

All Savers Fully Insured

Blue Value (*Duke Health Lake Norman and Kernodle Clinics only)

First Medicare Direct

Carolina Complete Health

Healthgram

All Savers Alternate Funding

Aetna Medicare Assure Plan (HMO D-SNP)

Aetna/CVS Health

Aetna Elect Choice HMO, Aetna Open Access Elect Choice

Partners (*Beginning January 2026)

Aetna Voluntary Indemnity Group Plan

Duke Select

Aetna Open Access HMO, Open Access Aetna Select, Aetna Open Access Managed Choice

NC State Employees Health Plan

Ambetter of North Carolina

United Medical Resources (UMR)

Ratings & Reviews

Dr. Anna Mae E. Diehl, MD has an exceptional overall rating with an average of 4.94 out of 5 stars based on 117 ratings. We collect ratings and reviews of Dr. Anna Mae E. Diehl, MD from all over the web to help you find the right in Durham, NC.

4.94

Overall Rating

(117 Ratings)

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General Payments

These charts describe general payments received by Dr. Anna Mae E. Diehl, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Genentech, Inc.	$16,977 NonCovered Product $16,908	Erivedge $54	$15
Boehringer Ingelheim Pharmaceuticals, Inc.	$11,573 $11,573
Janssen Research & Development, LLC	$9,907 $9,907
Merck Sharp & Dohme Corporation	$8,414 $8,414
AstraZeneca Pharmaceuticals LP	$5,295 $5,295
Other	$11,774 RDI Research $1,904	$9,870

**Types of Payments**
Consulting Fee	$58,302
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$2,500
Travel and Lodging	$2,458
Food and Beverage	$680

Research Payments

Dr. Anna Mae E. Diehl, MD has received 50 research payments totaling $1,929,553.

Biography

Dr. Anna Mae Diehl specializes in gastroenterology (digestive system) and hepatology (liver disease). Her patients gave her an average rating of 5.0 stars (out of 5). Dr. Diehl appears to be an in-network provider for Blue California, CIGNA Plans, TRICARE, and more. Her education and training includes medical school at Georgetown University School of Medicine and residency at a hospital affiliated with Johns Hopkins University. In addition to English, Dr. Diehl speaks French. She is affiliated with Duke Health. According to Duke Health, new patients are welcome to contact her office in Durham, NC.