Registry record
- NPI
- 1306889944
- Profession
- Physician Assistant (PA)
- Specialty
- Medical Physician Assistant (363AM0700X)
- Practice address
- 601 N Frio St
San Antonio, TX 78207 - Phone
- 2102613750
- In the registry since
- June 13, 2006
- Last NPPES update
- July 21, 2015
- Sole proprietor
- No
- License
- PA04747 (TX)
At this location
4 other providers in our data list 601 N Frio St, San Antonio as a practice address:
- David Ramon Baltazar, FNP-C
Family Nurse Practitioner · NPI 1699225623
- Maria Magdalena Canas, PMHNP
Psychiatric/Mental Health Nurse Practitioner · NPI 1679263776
- Ms. Cristina A Ross, FNP-BC
Family Nurse Practitioner · NPI 1487845087
- Gina Seyfried, FNP-BC
Family Nurse Practitioner · NPI 1568847226
In context
The NPI number of Brian Clark is 1306889944. They are a Medical Physician Assistant in San Antonio, Texas.
Brian Clark is one of 252 Medical Physician Assistants in San Antonio and one of 2,844 across Texas in our data. San Antonio ranks #3 among Texas cities in our dataset, with 3,972 NP and PA providers.
The NPI has been in the federal registry for 20 years, since June 13, 2006.
Frequently asked questions
What is NPI 1306889944?
NPI 1306889944 is the 10-digit National Provider Identifier assigned to Brian Clark, a Medical Physician Assistant practicing in San Antonio, Texas. The record has been in the NPPES registry since June 13, 2006.
How do I verify this provider?
Cross-check NPI 1306889944 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA04747 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.
Is this information current?
This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as July 21, 2015. We refresh our data each month when CMS publishes a new file.
Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.