Hollister Grissom, NP
NPI 1366964504 · Family Nurse Practitioner · New York, NY
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hollister Grissom, NP is a Family Nurse Practitioner provider in New York, NY (NPI 1366964504).
Provider details
- NPI number
- 1366964504
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- F342651-1 (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
8 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
- 2017-07-10
- Last updated
- 2024-07-18
- Certified
- 2024-07-12
Frequently asked questions
- What is Hollister Grissom's NPI number?
- Hollister Grissom's National Provider Identifier (NPI) is 1366964504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hollister Grissom's specialty?
- Hollister Grissom is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hollister Grissom located?
- Hollister Grissom's practice location on file with NPPES is 1282 York Ave, New York, NY 10065.
- What is Hollister Grissom's phone number?
- The practice phone number listed in the NPPES registry for Hollister Grissom is (646) 697-1700.
- Does Hollister Grissom accept Medicare?
- Hollister Grissom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hollister Grissom's NPI active?
- Yes — Hollister Grissom's NPI (1366964504) is active in the NPPES registry as of the last update on 2024-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.