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Rex Williams, MD
NPI 1700076924 · Surgery Physician · Oakland, CA
Rex Williams, MD is a Surgery Physician provider in Oakland, CA (NPI 1700076924).
Provider details
- NPI number
- 1700076924
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C28180 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
280 West Macarthur Blvd
Surgery Clinic Room 109
Oakland, CA 94611-5693
Phone: (510) 752-6418
Fax: (510) 752-7839
Street-level locationGet directions
Mailing address
Po Box 46
Lafayette, CA 94549-5405
Registry dates
- Enumerated
- 2007-07-25
- Last updated
- 2007-07-25
Frequently asked questions
- What is Rex Williams's NPI number?
- Rex Williams's National Provider Identifier (NPI) is 1700076924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rex Williams's specialty?
- Rex Williams is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Rex Williams located?
- Rex Williams's practice location on file with NPPES is 280 West Macarthur Blvd, Oakland, CA 94611-5693.
- What is Rex Williams's phone number?
- The practice phone number listed in the NPPES registry for Rex Williams is (510) 752-6418.
- Is Rex Williams's NPI active?
- Yes — Rex Williams's NPI (1700076924) is active in the NPPES registry as of the last update on 2007-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.