Douglas Fien, F.N.P.
NPI 1700915386 · Family Nurse Practitioner · Penfield, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Fien, F.N.P. is a Family Nurse Practitioner provider in Penfield, NY (NPI 1700915386).
Provider details
- NPI number
- 1700915386
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- F.N.P.
- Sex
- Male
- Sole proprietor
- No
- License
- 333353 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2007-03-02
- Last updated
- 2023-06-29
Frequently asked questions
- What is Douglas Fien's NPI number?
- Douglas Fien's National Provider Identifier (NPI) is 1700915386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Fien's specialty?
- Douglas Fien is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Douglas Fien located?
- Douglas Fien's practice location on file with NPPES is 1835 Fairport Nine Mile Point Rd, Penfield, NY 14526-1903.
- What is Douglas Fien's phone number?
- The practice phone number listed in the NPPES registry for Douglas Fien is (585) 758-0777.
- Does Douglas Fien accept Medicare?
- Douglas Fien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Fien's NPI active?
- Yes — Douglas Fien's NPI (1700915386) is active in the NPPES registry as of the last update on 2023-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.