NPI Atlas

Addison Grant Marshall

Physician Assistant in San Antonio, Texas. NPI 1366911265.

NPI1366911265

Registry record

NPI
1366911265
Profession
Physician Assistant (PA)
Specialty
Physician Assistant (363A00000X)
Practice address
4502 Medical Dr
San Antonio, TX 78229
Phone
2103584000
In the registry since
November 20, 2018
Last NPPES update
May 24, 2019
Sole proprietor
Yes
License
PA12539 (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 Addison Marshall is 1366911265. They are a Physician Assistant in San Antonio, Texas.

Addison Marshall is one of 882 Physician Assistants in San Antonio and one of 11,405 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 7 years, since November 20, 2018.

Frequently asked questions

What is NPI 1366911265?

NPI 1366911265 is the 10-digit National Provider Identifier assigned to Addison Marshall, a Physician Assistant practicing in San Antonio, Texas. The record has been in the NPPES registry since November 20, 2018.

How do I verify this provider?

Cross-check NPI 1366911265 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA12539 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 24, 2019. 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.