William S. Silver MD & Eric L. Tatar MD PC
NPI 1073523320 · Gastroenterology Physician · West Nyack, NY
William S. Silver MD & Eric L. Tatar MD PC is a Gastroenterology Physician organization in West Nyack, NY (NPI 1073523320).
Provider details
- NPI number
- 1073523320
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Silver, President(845) 362-3300
- License
- 125290 (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
Other names (DBA / former)
- Former legal business name
- William S. Silver MD PC
Registry dates
- Enumerated
- 2006-08-09
- Last updated
- 2015-03-17
Frequently asked questions
- What is William S. Silver MD & Eric L. Tatar MD PC's NPI number?
- William S. Silver MD & Eric L. Tatar MD PC's National Provider Identifier (NPI) is 1073523320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William S. Silver MD & Eric L. Tatar MD PC?
- William S. Silver MD & Eric L. Tatar MD PC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is William S. Silver MD & Eric L. Tatar MD PC located?
- William S. Silver MD & Eric L. Tatar MD PC's practice location on file with NPPES is 2 Medical Park Dr, West Nyack, NY 10994-1965.
- What is William S. Silver MD & Eric L. Tatar MD PC's phone number?
- The practice phone number listed in the NPPES registry for William S. Silver MD & Eric L. Tatar MD PC is (845) 362-3300.
- Who is the authorized official for William S. Silver MD & Eric L. Tatar MD PC?
- The authorized official listed on William S. Silver MD & Eric L. Tatar MD PC's NPPES record is William Silver, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William S. Silver MD & Eric L. Tatar MD PC's NPI active?
- Yes — William S. Silver MD & Eric L. Tatar MD PC's NPI (1073523320) is active in the NPPES registry as of the last update on 2015-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.