Katherine Mar, PNP
NPI 1265596142 · Pediatric Nurse Practitioner · New York, NY
Katherine Mar, PNP is a Pediatric Nurse Practitioner provider in New York, NY (NPI 1265596142).
Provider details
- NPI number
- 1265596142
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PNP
- Sex
- Female
- Sole proprietor
- No
- License
- F380517-1 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Katherine Mar's NPI number?
- Katherine Mar's National Provider Identifier (NPI) is 1265596142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mar's specialty?
- Katherine Mar is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Mar located?
- Katherine Mar's practice location on file with NPPES is 21 Jumel Pl, New York, NY 10032-4316.
- What is Katherine Mar's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mar is (212) 923-1495.
- Is Katherine Mar's NPI active?
- Yes — Katherine Mar's NPI (1265596142) 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.