William Fiden, MD
NPI 1215906383 · Family Medicine Physician · Buffalo, NY
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Fiden, MD is a Family Medicine Physician provider in Buffalo, NY (NPI 1215906383).
Provider details
- NPI number
- 1215906383
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 109296 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-03-14
- Last updated
- 2016-03-30
Frequently asked questions
- What is William Fiden's NPI number?
- William Fiden's National Provider Identifier (NPI) is 1215906383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fiden's specialty?
- William Fiden is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Fiden located?
- William Fiden's practice location on file with NPPES is 1461 Kensington Ave, Buffalo, NY 14215.
- What is William Fiden's phone number?
- The practice phone number listed in the NPPES registry for William Fiden is (716) 831-8612.
- Does William Fiden accept Medicare?
- William Fiden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Fiden's NPI active?
- Yes — William Fiden's NPI (1215906383) is active in the NPPES registry as of the last update on 2016-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.