Margaret Bartholomew, MD
NPI 1649254509 · Pediatrics Physician · Bethesda, MD
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Bartholomew, MD is a Pediatrics Physician provider in Bethesda, MD (NPI 1649254509).
Provider details
- NPI number
- 1649254509
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0079347 (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
20 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
- 2005-12-05
- Last updated
- 2018-05-17
Frequently asked questions
- What is Margaret Bartholomew's NPI number?
- Margaret Bartholomew's National Provider Identifier (NPI) is 1649254509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Bartholomew's specialty?
- Margaret Bartholomew is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Bartholomew located?
- Margaret Bartholomew's practice location on file with NPPES is 8324 Woodmont Ave, Bethesda, MD 20814.
- What is Margaret Bartholomew's phone number?
- The practice phone number listed in the NPPES registry for Margaret Bartholomew is (301) 832-6049.
- Does Margaret Bartholomew accept Medicare?
- Margaret Bartholomew is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Bartholomew's NPI active?
- Yes — Margaret Bartholomew's NPI (1649254509) is active in the NPPES registry as of the last update on 2018-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.