R Williams
NPI 1265488548 · Emergency Medicine Physician · Saint Louis, MO
R Williams is a Emergency Medicine Physician provider in Saint Louis, MO (NPI 1265488548).
Provider details
- NPI number
- 1265488548
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- F7307 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-26
- Last updated
- 2016-10-31
Frequently asked questions
- What is R Williams's NPI number?
- R Williams's National Provider Identifier (NPI) is 1265488548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is R Williams's specialty?
- R Williams is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is R Williams located?
- R Williams's practice location on file with NPPES is 2544 Union Rd, Saint Louis, MO 63125-3449.
- What is R Williams's phone number?
- The practice phone number listed in the NPPES registry for R Williams is (888) 223-8559.
- Is R Williams's NPI active?
- Yes — R Williams's NPI (1265488548) is active in the NPPES registry as of the last update on 2016-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.