Registry data as of Aug 27, 2026

Richard Markham, M.D.

Infectious Disease Physician · Baltimore, MD

Richard Markham, M.D. is an infectious disease physician with a practice address in Baltimore, Maryland, and NPI 1639327356, issued on Sep 6, 2008. Check the license (Maryland D19782, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1639327356
Name
Richard Markham
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
D19782 MD
Self-reported in NPPES; status is on the state search
Practice location
615 N Wolfe St, Baltimore, MD 21205
Phone
(410) 955-9601
Enumerated
Sep 6, 2008
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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Also registered at 615 N Wolfe St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Blum, MDPediatric Adolescent Medicine Physician1568603397
  2. Kevin Burns, M.D.Family Medicine Physician1588898712
  3. Aurel Iuga, M.D.Student in an Organized Health Care Education/Training Program1497047815
  4. Henry KalterPublic Health & General Preventive Medicine Physician1326278763
  5. Gregory Kirk, M.D.Infectious Disease Physician1639239973
  6. Briana Kramer, CNMAdvanced Practice Midwife1629525670

Verify Richard Markham in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D19782
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Infectious Disease Physician providers in Maryland

There are 353 infectious disease physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other infectious disease physician records in Maryland

  1. Mark AbbruzzeseBethesda, MD1154310035
  2. Brian Agan, M.D.Bethesda, MD1669434718
  3. Gloria Aggrey, MDRockville, MD1588839286
  4. Allison Agwu, M.D.Baltimore, MD1598802027
  5. Mohamed Al-Ibrahim, M.D.Baltimore, MD1245334325
  6. Carla Alexander, M.D.Baltimore, MD1134177793
  7. Maria AllendeGaithersburg, MD1245500370
  8. Africa Alvarez-McLeod, M.D.Baltimore, MD1033116603
  9. Sameh Aly, M.D.Rockville, MD1245287572
  10. Amirali Amjadi, M.D.Greenbelt, MD1902819196

Common questions

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

Richard Markham, M.D.'s National Provider Identifier (NPI) is 1639327356, issued on Sep 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Richard Markham, M.D. located?

The NPPES record lists a practice address at 615 N Wolfe St, Baltimore, MD, 21205. Phone: (410) 955-9601. Providers update this record themselves, so call before visiting.

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

NPPES lists Maryland license number D19782, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.