Ryan Keith Brown, M.D.
Internal Medicine Physician · Durham, NC
Ryan Keith Brown, M.D. is an internal medicine physician with a practice address in Durham, North Carolina, and NPI 1548528375, issued on Apr 30, 2012. Check the license (North Carolina 2017-01342, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ryan Keith Brown
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2017-01342 NC
183325 NC
MD-18082 HI
Self-reported in NPPES; status is on the state search - Practice location
- 3643 N Roxboro St, Durham, NC 27704
- Phone
- (919) 470-8490
- Enumerated
- Apr 30, 2012
- Record last updated
- Apr 19, 2024
- Medicare enrollment
- Enrolled (PECOS I20170828002405); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 3643 N Roxboro St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan Keith Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2017-01342Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Duke University Health System, IncDurham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Keith Brown among 4,056 internal medicine physician records in North Carolina
Ryan Keith Brown, M.D. is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2012 · median 2004 among the 2,706 with a school on file
- Record last updated2024 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
380 internal medicine physician records list a practice address in Durham
They are 380 of the 13,451 NPPES records with a practice address in Durham, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Durham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Melinda Battaile, M.D.Durham, NC 277041831197094
- David Bright, MD, PHARM DDurham, NC 277041003814666
- James Brown, MD, MPH, FACPDurham, NC 277041255338489
- Amir Darwish, M.D.Durham, NC 277041699767665
- Walter Fowler, MD, PHDDurham, NC 277041013913631
- Susan Isbey, MDDurham, NC 277041396742730
- John Kallianos, MDDurham, NC 277041245231588
- Kombiz Klein, DODurham, NC 277041619976297
Common questions
What is Ryan Keith Brown, M.D.'s NPI number?
Ryan Keith Brown, M.D.'s National Provider Identifier (NPI) is 1548528375, issued on Apr 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Keith Brown, M.D. located?
The NPPES record lists a practice address at 3643 N Roxboro St, Durham, NC, 27704. Phone: (919) 470-8490. Providers update this record themselves, so call before visiting.
How can I verify Ryan Keith Brown, M.D.'s license?
NPPES lists North Carolina license number 2017-01342, 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.
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.
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.