Ronald T. Harris, MD
Obstetrics & Gynecology Physician · Columbia, MD
Ronald T. Harris, MD is an obstetrics & gynecology physician with a practice address in Columbia, Maryland, and NPI 1124174768, issued on Jan 26, 2007. Check the license (Maryland D0037173, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ronald T. Harris
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- D0037173 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8140 Tamar Dr, Columbia, MD 21045
- Phone
- (410) 379-9041
- Enumerated
- Jan 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,034 in Maryland → Look up another NPI →
Verify Ronald T. Harris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0037173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ronald T. Harris among 1,034 obstetrics & gynecology physician records in Maryland
Ronald T. Harris, MD is one of 1,034 obstetrics & gynecology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 42% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 obstetrics & gynecology physician records list a practice address in Columbia
They are 56 of the 6,690 NPPES records with a practice address in Columbia, and 1,034 obstetrics & gynecology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,034 in Maryland → Every provider in Columbia → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Dennis Ginsberg, M.D.Columbia, MD 210451114955226
- Amy Gueye, M.D.Columbia, MD 210451932490711
- Chetanna Okasi, MDColumbia, MD 210451356484083
- Mohammed Ahmed, MDColumbia, MD 210441467463018
- Leslie Apgar, MDColumbia, MD 210461437118817
- Homayara Aziz, MDColumbia, MD 210441972765519
- Monica Bauer, M.D.Columbia, MD 210441336527712
- Lindsay Cheu, MDColumbia, MD 210441518484732
Common questions
What is Ronald T. Harris, MD's NPI number?
Ronald T. Harris, MD's National Provider Identifier (NPI) is 1124174768, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald T. Harris, MD located?
The NPPES record lists a practice address at 8140 Tamar Dr, Columbia, MD, 21045. Phone: (410) 379-9041. Providers update this record themselves, so call before visiting.
How can I verify Ronald T. Harris, MD's license?
NPPES lists Maryland license number D0037173, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.