Thomas Johnson, M.D.
NPI 1285627604 · Family Medicine Physician · Oakland, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Johnson, M.D. is a Family Medicine Physician provider in Oakland, MD (NPI 1285627604).
Provider details
- NPI number
- 1285627604
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D15333 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,350 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-31
- Last updated
- 2022-04-18
- Certified
- 2022-04-18
Frequently asked questions
- What is Thomas Johnson's NPI number?
- Thomas Johnson's National Provider Identifier (NPI) is 1285627604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Johnson's specialty?
- Thomas Johnson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Johnson located?
- Thomas Johnson's practice location on file with NPPES is 311 N 4th St, Oakland, MD 21550-1371.
- What is Thomas Johnson's phone number?
- The practice phone number listed in the NPPES registry for Thomas Johnson is (301) 334-8171.
- Does Thomas Johnson accept Medicare?
- Thomas Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Johnson's NPI active?
- Yes — Thomas Johnson's NPI (1285627604) is active in the NPPES registry as of the last update on 2022-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.