Mary Barton, MD, MPP
NPI 1225971526 · Internal Medicine Physician · Washington, DC
Mary Barton, MD, MPP is a Internal Medicine Physician provider in Washington, DC (NPI 1225971526).
Provider details
- NPI number
- 1225971526
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPP
- Sex
- Female
- Sole proprietor
- No
- License
- MD500003440 (DC)
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
Under 1 yr in 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
- 2026-04-11
- Last updated
- 2026-04-11
- Certified
- 2026-04-11
Frequently asked questions
- What is Mary Barton's NPI number?
- Mary Barton's National Provider Identifier (NPI) is 1225971526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Barton's specialty?
- Mary Barton is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Barton located?
- Mary Barton's practice location on file with NPPES is 2333 Ontario Rd Nw, Washington, DC 20009-2627.
- What is Mary Barton's phone number?
- The practice phone number listed in the NPPES registry for Mary Barton is (844) 796-2797.
- Is Mary Barton's NPI active?
- Yes — Mary Barton's NPI (1225971526) is active in the NPPES registry as of the last update on 2026-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.