Mary Keown, M.D.
NPI 1437470531 · Pediatrics Physician · New York, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Keown, M.D. is a Pediatrics Physician provider in New York, NY (NPI 1437470531).
Provider details
- NPI number
- 1437470531
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 271462 (NY)
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
16 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
- 2010-06-13
- Last updated
- 2022-10-27
- Certified
- 2022-10-27
Frequently asked questions
- What is Mary Keown's NPI number?
- Mary Keown's National Provider Identifier (NPI) is 1437470531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Keown's specialty?
- Mary Keown is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Keown located?
- Mary Keown's practice location on file with NPPES is 534 W 135th St, New York, NY 10031-8644.
- What is Mary Keown's phone number?
- The practice phone number listed in the NPPES registry for Mary Keown is (212) 491-2300.
- Does Mary Keown accept Medicare?
- Mary Keown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Keown's NPI active?
- Yes — Mary Keown's NPI (1437470531) is active in the NPPES registry as of the last update on 2022-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.