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William Belfar, M.D.
NPI 1568405132 · Psychiatry Physician · New York, NY
William Belfar, M.D. is a Psychiatry Physician provider in New York, NY (NPI 1568405132).
Provider details
- NPI number
- 1568405132
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 206297 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
37 E 28th St
Suite 508
New York, NY 10016-7919
Phone: (212) 452-4657
Street-level locationGet directions
Mailing address
1834 Beacon Street
Brookline, MA 02445
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2010-09-15
Frequently asked questions
- What is William Belfar's NPI number?
- William Belfar's National Provider Identifier (NPI) is 1568405132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Belfar's specialty?
- William Belfar is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Belfar located?
- William Belfar's practice location on file with NPPES is 37 E 28th St, New York, NY 10016-7919.
- What is William Belfar's phone number?
- The practice phone number listed in the NPPES registry for William Belfar is (212) 452-4657.
- Is William Belfar's NPI active?
- Yes — William Belfar's NPI (1568405132) is active in the NPPES registry as of the last update on 2010-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.