Sandra Williams, M.D., PH.D.
NPI 1720468317 · Rheumatology Physician · Bethesda, MD
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Williams, M.D., PH.D. is a Rheumatology Physician provider in Bethesda, MD (NPI 1720468317).
Provider details
- NPI number
- 1720468317
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- D85887 (MD)
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
11 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
- 2015-06-09
- Last updated
- 2021-08-23
- Certified
- 2021-08-23
Frequently asked questions
- What is Sandra Williams's NPI number?
- Sandra Williams's National Provider Identifier (NPI) is 1720468317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Williams's specialty?
- Sandra Williams is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Williams located?
- Sandra Williams's practice location on file with NPPES is Building 10, Room 10n-311 9000 Rockville Pike, Bethesda, MD 20892-3733.
- What is Sandra Williams's phone number?
- The practice phone number listed in the NPPES registry for Sandra Williams is (015) 946-0353.
- Does Sandra Williams accept Medicare?
- Sandra Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Williams's NPI active?
- Yes — Sandra Williams's NPI (1720468317) is active in the NPPES registry as of the last update on 2021-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.