William Green, MD
NPI 1821080623 · Physical Medicine & Rehabilitation Physician · New York, NY
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Green, MD is a Physical Medicine & Rehabilitation Physician provider in New York, NY (NPI 1821080623).
Provider details
- NPI number
- 1821080623
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 125902 (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
- 2005-08-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Green's NPI number?
- William Green's National Provider Identifier (NPI) is 1821080623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Green's specialty?
- William Green is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is William Green located?
- William Green's practice location on file with NPPES is 165 W End Ave, New York, NY 10023-5503.
- What is William Green's phone number?
- The practice phone number listed in the NPPES registry for William Green is (212) 874-2562.
- Does William Green accept Medicare?
- William Green is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Green's NPI active?
- Yes — William Green's NPI (1821080623) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.