NPPES file of Aug 9, 2026

Richard S. Rees, M.D.

Internal Medicine Physician · Baltimore, MD

Richard S. Rees, M.D. is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1811995921, issued on Jul 12, 2005. Check the license (Maryland D0059198, as entered in NPPES) on the Maryland Board of Physicians; 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
1811995921
Name
Richard S. Rees
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D0059198 MD
Self-reported in NPPES; status is on the state search
Practice location
2435 W. Belvedere Ave, Baltimore, MD 21215
Phone
(410) 601-6840
Enumerated
Jul 12, 2005
Record last updated
Aug 9, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(410) 601-5629
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Richard S. Rees in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0059198
    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 Maryland license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

18 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Richard Rees18
  2. Specialty average3,176

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.

Richard S. Rees among 3,904 internal medicine physician records in Maryland

Richard S. Rees, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2011 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Julius Boateng, MDBaltimore, MD 212151093796559
  2. Jose Boston, M.D.,CMDBaltimore, MD 212151093776817
  3. Don Bousel, M.D.Baltimore, MD 212151487644878
  4. Gary Kerkvliet, M.D.Baltimore, MD 212151508804642
  5. Lucille King, M.D.Baltimore, MD 212151407898497
  6. David Meyers, M.D.Baltimore, MD 212151134182439
  7. Lasongia Morton, MDBaltimore, MD 212151376579573
  8. Maria Moyer, M.D.Baltimore, MD 212151386671139

Common questions

What is Richard S. Rees, M.D.'s NPI number?

Richard S. Rees, M.D.'s National Provider Identifier (NPI) is 1811995921, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Richard S. Rees, M.D. located?

The NPPES record lists a practice address at 2435 W. Belvedere Ave, Baltimore, MD, 21215. Phone: (410) 601-6840. Providers update this record themselves, so call before visiting.

How can I verify Richard S. Rees, M.D.'s license?

NPPES lists Maryland license number D0059198, 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 Richard S. Rees, M.D. prescribe under Medicare Part D?

In 2024, Richard S. Rees, M.D. had 18 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.