Registry record
- NPI
- 1689616286
- Profession
- Physician Assistant (PA)
- Specialty
- Medical Physician Assistant (363AM0700X)
- Practice address
- 1320 Wonder World Dr, 101
San Marcos, TX 78666 - Phone
- 5123963911
- In the registry since
- June 11, 2006
- Last NPPES update
- May 3, 2026
- Sole proprietor
- No
- License
- PA00388 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Byron Slusher is 1689616286. They are a Medical Physician Assistant in San Marcos, Texas.
Byron Slusher is one of 3 Medical Physician Assistants in San Marcos and one of 2,844 across Texas in our data.
The NPI has been in the federal registry for 20 years, since June 11, 2006.
Frequently asked questions
What is NPI 1689616286?
NPI 1689616286 is the 10-digit National Provider Identifier assigned to Byron Slusher, a Medical Physician Assistant practicing in San Marcos, Texas. The record has been in the NPPES registry since June 11, 2006.
How do I verify this provider?
Cross-check NPI 1689616286 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA00388 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 3, 2026. 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.