Harry Mills Harris, M.D.
Internal Medicine Physician · Baltimore, MD
Harry Mills Harris, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1982820742, issued on Apr 18, 2007. Check the license (Maryland D26880, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Harry Mills Harris
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D26880 MD
Self-reported in NPPES; status is on the state search - Practice location
- 300 Armory PL # S3-C, Baltimore, MD 21201
- Phone
- (410) 225-8154
- Enumerated
- Apr 18, 2007
- Record last updated
- Feb 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 460271400 MD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify Harry Mills Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D26880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
41 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium13 claims
- Gabapentin12 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.
Harry Mills Harris among 3,904 internal medicine physician records in Maryland
Harry Mills Harris, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2020 · 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 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Azra Ahmed, M.D.Baltimore, MD 212011326014788
- Clifford Amend, M.D.Baltimore, MD 212011245235068
- Kirk Chan-Tack, M.D.Baltimore, MD 212011326004268
- Kenneth Geh, MDBaltimore, MD 212011396718755
- Sungyon Jang, M.D.Baltimore, MD 212011477519304
- Marcia Kane, MDBaltimore, MD 212011770564254
- Mien-Door KiouneBaltimore, MD 212011104892207
- Frederick Kotler, M.D.Baltimore, MD 212011356304216
Common questions
What is Harry Mills Harris, M.D.'s NPI number?
Harry Mills Harris, M.D.'s National Provider Identifier (NPI) is 1982820742, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Harry Mills Harris, M.D. located?
The NPPES record lists a practice address at 300 Armory PL # S3-C, Baltimore, MD, 21201. Phone: (410) 225-8154. Providers update this record themselves, so call before visiting.
How can I verify Harry Mills Harris, M.D.'s license?
NPPES lists Maryland license number D26880, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harry Mills Harris, M.D. prescribe under Medicare Part D?
In 2024, Harry Mills Harris, M.D. had 41 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.
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.