NPI Atlas

William Butler, PA

Medical Physician Assistant in San Antonio, Texas. NPI 1588771554.

NPI1588771554

Registry record

NPI
1588771554
Profession
Physician Assistant (PA)
Specialty
Medical Physician Assistant (363AM0700X)
Practice address
4502 Medical Dr
San Antonio, TX 78229
Phone
2102571400
In the registry since
August 24, 2006
Last NPPES update
May 6, 2009
Sole proprietor
No
License
PA02542 (TX)

At this location

232 other providers in our data list 4502 Medical Dr, San Antonio as a practice address:

In context

The NPI number of William Butler is 1588771554. They are a Medical Physician Assistant in San Antonio, Texas.

William Butler 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 19 years, since August 24, 2006.

Frequently asked questions

What is NPI 1588771554?

NPI 1588771554 is the 10-digit National Provider Identifier assigned to William Butler, a Medical Physician Assistant practicing in San Antonio, Texas. The record has been in the NPPES registry since August 24, 2006.

How do I verify this provider?

Cross-check NPI 1588771554 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA02542 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 May 6, 2009. 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.