Richard Markham, M.D.
NPI 1639327356 · Infectious Disease Physician · Baltimore, MD
Richard Markham, M.D. is a Infectious Disease Physician provider in Baltimore, MD (NPI 1639327356).
Provider details
- NPI number
- 1639327356
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D19782 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-06
- Last updated
- 2008-09-06
Frequently asked questions
- What is Richard Markham's NPI number?
- Richard Markham's National Provider Identifier (NPI) is 1639327356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Markham's specialty?
- Richard Markham is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Markham located?
- Richard Markham's practice location on file with NPPES is 615 N Wolfe St, Baltimore, MD 21205-2103.
- What is Richard Markham's phone number?
- The practice phone number listed in the NPPES registry for Richard Markham is (410) 955-9601.
- Is Richard Markham's NPI active?
- Yes — Richard Markham's NPI (1639327356) is active in the NPPES registry as of the last update on 2008-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.