Hollyn Gregory, MSN, FNP
NPI 1144621095 · Family Nurse Practitioner · Mason, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hollyn Gregory, MSN, FNP is a Family Nurse Practitioner provider in Mason, OH (NPI 1144621095).
Provider details
- NPI number
- 1144621095
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP
- Sex
- Female
- Sole proprietor
- No
- License
- COA.16461-NP (OH)
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
11 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
- 2014-09-10
- Last updated
- 2014-09-10
Frequently asked questions
- What is Hollyn Gregory's NPI number?
- Hollyn Gregory's National Provider Identifier (NPI) is 1144621095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hollyn Gregory's specialty?
- Hollyn Gregory is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hollyn Gregory located?
- Hollyn Gregory's practice location on file with NPPES is 5100 Terra Firma Dr, Mason, OH 45040-8087.
- What is Hollyn Gregory's phone number?
- The practice phone number listed in the NPPES registry for Hollyn Gregory is (513) 492-5787.
- Does Hollyn Gregory accept Medicare?
- Hollyn Gregory is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hollyn Gregory's NPI active?
- Yes — Hollyn Gregory's NPI (1144621095) is active in the NPPES registry as of the last update on 2014-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.