Robert Gregory Davidson, M.D.
Internal Medicine Physician · Baltimore, MD
Robert Gregory Davidson, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1760537831, issued on Jan 25, 2007. Check the license (Maryland D0065249, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Robert Gregory Davidson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0065249 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4924 Campbell Blvd, Baltimore, MD 21236
- Phone
- (443) 442-2300
- Enumerated
- Jan 25, 2007
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070306000119); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 4924 Campbell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Gregory Davidson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0065249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average internal medicine physician in 2024
6,028 Medicare Part D claims for 424 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 112 claims were for opioids.
Most prescribed
- Atorvastatin Calcium432 claims
- Amlodipine Besylate322 claims
- Lisinopril276 claims
- Tamsulosin Hcl174 claims
- Metformin Hcl153 claims
- Losartan Potassium149 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 2 group practices
- Agape Physical Therapy And Sports Rehabilitation LPForest Hill, MD
- Johns Hopkins Community Physicians, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Gregory Davidson among 3,904 internal medicine physician records in Maryland
Robert Gregory Davidson, 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 fileYes · 63% of these records are
- Graduated2004 · median 2003 among the 2,445 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 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
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- Fernando Ferro, M.D.Baltimore, MD 212361245297258
- Marion Kowalewski, M.D.Baltimore, MD 212361538126461
- Lo An Lai, MDBaltimore, MD 212361205875523
- Alice Lee, M.D.Baltimore, MD 212361710925854
- Keith Lee, MDBaltimore, MD 212361750321014
Common questions
What is Robert Gregory Davidson, M.D.'s NPI number?
Robert Gregory Davidson, M.D.'s National Provider Identifier (NPI) is 1760537831, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Gregory Davidson, M.D. located?
The NPPES record lists a practice address at 4924 Campbell Blvd, Baltimore, MD, 21236. Phone: (443) 442-2300. Providers update this record themselves, so call before visiting.
How can I verify Robert Gregory Davidson, M.D.'s license?
NPPES lists Maryland license number D0065249, 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 Robert Gregory Davidson, M.D. prescribe under Medicare Part D?
In 2024, Robert Gregory Davidson, M.D. had 6,028 Medicare Part D claims for 424 beneficiaries; 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.