Registry record
- NPI
- 1639305428
- Profession
- Physician Assistant (PA)
- Specialty
- Physician Assistant (363A00000X)
- Practice address
- 4513 Williams Dr
Georgetown, TX 78633 - Phone
- 5129303909
- In the registry since
- June 7, 2009
- Last NPPES update
- January 26, 2026
- Sole proprietor
- No
- License
- PA10389 (TX)
At this location
3 other providers in our data list 4513 Williams Dr, Georgetown as a practice address:
- Ms. Amanda Lynn Dibenedetto, FNP - C
Family Nurse Practitioner · NPI 1972810976
- Ms. Debra Ann Gauthier, FNP-BC
Family Nurse Practitioner · NPI 1679808695
- Arpy Jitendra Kothari, PA
Physician Assistant · NPI 1134504202
In context
The NPI number of Brian Nailling is 1639305428. They are a Physician Assistant in Georgetown, Texas.
Brian Nailling is one of 47 Physician Assistants in Georgetown and one of 11,405 across Texas in our data.
The NPI has been in the federal registry for 17 years, since June 7, 2009.
Frequently asked questions
What is NPI 1639305428?
NPI 1639305428 is the 10-digit National Provider Identifier assigned to Brian Nailling, a Physician Assistant practicing in Georgetown, Texas. The record has been in the NPPES registry since June 7, 2009.
How do I verify this provider?
Cross-check NPI 1639305428 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA10389 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 January 26, 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.