Richard Williamson, PA-C
NPI 1619936010 · Physician Assistant · San Antonio, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Williamson, PA-C is a Physician Assistant provider in San Antonio, TX (NPI 1619936010).
Provider details
- NPI number
- 1619936010
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA00321 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-03-23
- Last updated
- 2011-11-03
Frequently asked questions
- What is Richard Williamson's NPI number?
- Richard Williamson's National Provider Identifier (NPI) is 1619936010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Williamson's specialty?
- Richard Williamson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Richard Williamson located?
- Richard Williamson's practice location on file with NPPES is 8300 Floyd Curl Dr, San Antonio, TX 78229-3931.
- What is Richard Williamson's phone number?
- The practice phone number listed in the NPPES registry for Richard Williamson is (210) 450-9700.
- Does Richard Williamson accept Medicare?
- Richard Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Williamson's NPI active?
- Yes — Richard Williamson's NPI (1619936010) is active in the NPPES registry as of the last update on 2011-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.