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Harrison Karp, DDS
NPI 1780313700 · Pediatric Dentistry · New York, NY
Harrison Karp, DDS is a Pediatric Dentistry provider in New York, NY (NPI 1780313700).
Provider details
- NPI number
- 1780313700
- Entity type
- Individual
- Primary specialty
- Pediatric DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Dental Providers
Student, Health Care
Dental Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
550 1st Ave
New York, NY 10016-6402
Phone: (212) 263-5506
Street-level locationGet directions
Mailing address
1771 Alexis Rd
Merrick, NY 11566-4822
Registry dates
- Enumerated
- 2022-06-06
- Last updated
- 2026-04-10
- Certified
- 2026-04-10
Frequently asked questions
- What is Harrison Karp's NPI number?
- Harrison Karp's National Provider Identifier (NPI) is 1780313700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harrison Karp's specialty?
- Harrison Karp is listed in the NPPES registry with a primary specialty of Pediatric Dentistry (Dental Providers).
- Where is Harrison Karp located?
- Harrison Karp's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is Harrison Karp's phone number?
- The practice phone number listed in the NPPES registry for Harrison Karp is (212) 263-5506.
- Is Harrison Karp's NPI active?
- Yes — Harrison Karp's NPI (1780313700) is active in the NPPES registry as of the last update on 2026-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.