William Byne, M.D.
NPI 1588791875 · Psychiatry Physician · New York, NY
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Byne, M.D. is a Psychiatry Physician provider in New York, NY (NPI 1588791875).
Provider details
- NPI number
- 1588791875
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 185261 (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
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
- 2007-02-27
- Last updated
- 2009-01-12
Frequently asked questions
- What is William Byne's NPI number?
- William Byne's National Provider Identifier (NPI) is 1588791875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Byne's specialty?
- William Byne is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Byne located?
- William Byne's practice location on file with NPPES is 5 E 98th St, New York, NY 10029-6501.
- What is William Byne's phone number?
- The practice phone number listed in the NPPES registry for William Byne is (718) 584-9000.
- Does William Byne accept Medicare?
- William Byne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Byne's NPI active?
- Yes — William Byne's NPI (1588791875) is active in the NPPES registry as of the last update on 2009-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.