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Susan Williams, M.D.
NPI 1821162173 · Gastroenterology Physician · New York, NY
Susan Williams, M.D. is a Gastroenterology Physician provider in New York, NY (NPI 1821162173).
Provider details
- NPI number
- 1821162173
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 139034 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1901 1st Ave
807
New York, NY 10029-7404
Phone: (212) 423-6881
Fax: (212) 423-8099
Street-level locationGet directions
Mailing address
762 Riverside Dr
New York, NY 10031-1003
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Susan Williams's NPI number?
- Susan Williams's National Provider Identifier (NPI) is 1821162173, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Williams's specialty?
- Susan Williams is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Williams located?
- Susan Williams's practice location on file with NPPES is 1901 1st Ave, New York, NY 10029-7404.
- What is Susan Williams's phone number?
- The practice phone number listed in the NPPES registry for Susan Williams is (212) 423-6881.
- Is Susan Williams's NPI active?
- Yes — Susan Williams's NPI (1821162173) 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.