John Knapp, RN, AGPCNP-BC
NPI 1588085351 · Adult Health Nurse Practitioner · New York, NY
John Knapp, RN, AGPCNP-BC is a Adult Health Nurse Practitioner provider in New York, NY (NPI 1588085351).
Provider details
- NPI number
- 1588085351
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, AGPCNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- F306753-1 (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
12 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
- 2013-12-22
- Last updated
- 2013-12-22
Frequently asked questions
- What is John Knapp's NPI number?
- John Knapp's National Provider Identifier (NPI) is 1588085351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Knapp's specialty?
- John Knapp is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Knapp located?
- John Knapp's practice location on file with NPPES is 137 Duane St Apt 5a, New York, NY 10013-3898.
- What is John Knapp's phone number?
- The practice phone number listed in the NPPES registry for John Knapp is (917) 757-8550.
- Is John Knapp's NPI active?
- Yes — John Knapp's NPI (1588085351) is active in the NPPES registry as of the last update on 2013-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.