Margaret Karpatkin, M.D.
NPI 1336133552 · Pediatric Hematology & Oncology Physician · New York, NY
Margaret Karpatkin, M.D. is a Pediatric Hematology & Oncology Physician provider in New York, NY (NPI 1336133552).
Provider details
- NPI number
- 1336133552
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- 098263 (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
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
- 2005-09-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Karpatkin's NPI number?
- Margaret Karpatkin's National Provider Identifier (NPI) is 1336133552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Karpatkin's specialty?
- Margaret Karpatkin is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Karpatkin located?
- Margaret Karpatkin's practice location on file with NPPES is 317 E 34th St, New York, NY 10016-4974.
- What is Margaret Karpatkin's phone number?
- The practice phone number listed in the NPPES registry for Margaret Karpatkin is (212) 263-8400.
- Is Margaret Karpatkin's NPI active?
- Yes — Margaret Karpatkin's NPI (1336133552) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.