Robert Williams, MD
NPI 1891323689 · Internal Medicine Physician · Chapel Hill, NC
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Williams, MD is a Internal Medicine Physician provider in Chapel Hill, NC (NPI 1891323689).
Provider details
- NPI number
- 1891323689
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 12420123-1205 (UT)
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 30 N 1900 E Rm 4c104Salt Lake City, UT 84132-0002Phone: (801) 581-7606
Registry dates
- Enumerated
- 2020-03-29
- Last updated
- 2024-05-15
- Certified
- 2024-05-15
Frequently asked questions
- What is Robert Williams's NPI number?
- Robert Williams's National Provider Identifier (NPI) is 1891323689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Williams's specialty?
- Robert Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Williams located?
- Robert Williams's practice location on file with NPPES is 130 Mason Farm Road Bioinformatics Building Cb# 7030, Chapel Hill, NC 27599-0002.
- What is Robert Williams's phone number?
- The practice phone number listed in the NPPES registry for Robert Williams is (919) 966-2537.
- Does Robert Williams accept Medicare?
- Robert Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Williams's NPI active?
- Yes — Robert Williams's NPI (1891323689) is active in the NPPES registry as of the last update on 2024-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.