NPPES file of Aug 9, 2026

Gwendolen Buhr, M.D.

Geriatric Medicine (Internal Medicine) Physician · Durham, NC

Gwendolen Buhr, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Durham, North Carolina, and NPI 1891878039, issued on Oct 23, 2006. Check the license (North Carolina 99-01130, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891878039
Name
Gwendolen Buhr
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
99-01130 NC
Self-reported in NPPES; status is on the state search
Practice location
Duke University Medical Ctr, Durham, NC 27710
Phone
(919) 620-4467
Enumerated
Oct 23, 2006
Record last updated
Mar 22, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040113000325); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1998
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (internal medicine) physician records → All 157 in North Carolina → Look up another NPI →

Also registered at Duke University Medical Ctr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thomas AberantHematology & Oncology Physician1932282175
  2. Lance Adams, PA-CPhysician Assistant1073940326
  3. Swati Agrawal, M.D.Internal Medicine Physician1922191188
  4. John AlexanderCardiovascular Disease Physician1831282094
  5. Patricia AllushuskiCertified Registered Nurse Anesthetist1538258090
  6. Lisa Amaya-Jackson, M.D.Psychiatry Physician1841373081

Verify Gwendolen Buhr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 99-01130    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

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35% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

2,739 Medicare Part D claims for 159 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Gwendolen Buhr2,739
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium156 claims
  2. Amlodipine Besylate147 claims
  3. Eliquis130 claims
  4. Lisinopril125 claims
  5. Omeprazole95 claims
  6. Losartan Potassium92 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 3 group practices

  1. Duke Health Integrated Practice IncDurham, NC
  2. Legacy Healthcare Services IncDurham, NC
  3. The Forest AT Duke IncDurham, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gwendolen Buhr among 157 geriatric medicine (internal medicine) physician records in North Carolina

Gwendolen Buhr, M.D. is one of 157 geriatric medicine (internal medicine) physician records with a practice address in North Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1998 · median 2006 among the 97 with a school on file
  • Record last updated2013 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in North Carolina

There are 157 geriatric medicine (internal medicine) physician records in North Carolina.

All 157 in North Carolina → Every provider in Durham → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Cathleen Colon-Emeric, M.D.Durham, NC 277101760545537
  2. Katja Elbert-Avila, M.D.Durham, NC 277101992888150
  3. Liza Genao, M.D.Durham, NC 277101508086182
  4. Jennifer GentryDurham, NC 277101215010475
  5. Mitchell Heflin, M.D.Durham, NC 277101558445619
  6. Kimberly Johnson, M.D.Durham, NC 277101972687036
  7. Milta Little, D.O.Durham, NC 277101740409754
  8. Shelley McDonald, DODurham, NC 277101922205517

Common questions

What is Gwendolen Buhr, M.D.'s NPI number?

Gwendolen Buhr, M.D.'s National Provider Identifier (NPI) is 1891878039, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gwendolen Buhr, M.D. located?

The NPPES record lists a practice address at Duke University Medical Ctr, Durham, NC, 27710. Phone: (919) 620-4467. Providers update this record themselves, so call before visiting.

How can I verify Gwendolen Buhr, M.D.'s license?

NPPES lists North Carolina license number 99-01130, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gwendolen Buhr, M.D. prescribe under Medicare Part D?

In 2024, Gwendolen Buhr, M.D. had 2,739 Medicare Part D claims for 159 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.