Robert Duncan, M.D.
NPI 1255337416 · Sports Medicine (Family Medicine) Physician · Bel Air, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Duncan, M.D. is a Sports Medicine (Family Medicine) Physician provider in Bel Air, MD (NPI 1255337416).
Provider details
- NPI number
- 1255337416
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D28136 (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
21 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
- 2005-06-22
- Last updated
- 2016-01-28
Frequently asked questions
- What is Robert Duncan's NPI number?
- Robert Duncan's National Provider Identifier (NPI) is 1255337416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Duncan's specialty?
- Robert Duncan is listed in the NPPES registry with a primary specialty of Sports Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Duncan located?
- Robert Duncan's practice location on file with NPPES is 615 W Macphail Rd, Bel Air, MD 21014-4393.
- What is Robert Duncan's phone number?
- The practice phone number listed in the NPPES registry for Robert Duncan is (410) 638-8900.
- Does Robert Duncan accept Medicare?
- Robert Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Duncan's NPI active?
- Yes — Robert Duncan's NPI (1255337416) is active in the NPPES registry as of the last update on 2016-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.