Diane Ryan, FNP
NPI 1346250966 · Nurse Practitioner · Buffalo, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Ryan, FNP is a Nurse Practitioner provider in Buffalo, NY (NPI 1346250966).
Provider details
- NPI number
- 1346250966
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- F334222-1 (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
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
- 2006-08-08
- Last updated
- 2014-08-23
Frequently asked questions
- What is Diane Ryan's NPI number?
- Diane Ryan's National Provider Identifier (NPI) is 1346250966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Ryan's specialty?
- Diane Ryan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Ryan located?
- Diane Ryan's practice location on file with NPPES is 3435 Bailey Ave, Buffalo, NY 14215-1145.
- What is Diane Ryan's phone number?
- The practice phone number listed in the NPPES registry for Diane Ryan is (716) 835-2966.
- Does Diane Ryan accept Medicare?
- Diane Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Ryan's NPI active?
- Yes — Diane Ryan's NPI (1346250966) is active in the NPPES registry as of the last update on 2014-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.