Registry record
- NPI
- 1639208697
- Profession
- Physician Assistant (PA)
- Specialty
- Surgical Physician Assistant (363AS0400X)
- Practice address
- 6410 Fannin, #1115
Houston, TX 77030 - Phone
- 7137955300
- In the registry since
- March 5, 2007
- Last NPPES update
- July 8, 2007
- Sole proprietor
- No
- License
- PA00919 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Robert Williams is 1639208697. They are a Surgical Physician Assistant in Houston, Texas.
Robert Williams is one of 457 Surgical Physician Assistants in Houston and one of 1,762 across Texas in our data. Houston ranks #1 among Texas cities in our dataset, with 8,326 NP and PA providers.
The NPI has been in the federal registry for 19 years, since March 5, 2007.
Frequently asked questions
What is NPI 1639208697?
NPI 1639208697 is the 10-digit National Provider Identifier assigned to Robert Williams, a Surgical Physician Assistant practicing in Houston, Texas. The record has been in the NPPES registry since March 5, 2007.
How do I verify this provider?
Cross-check NPI 1639208697 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA00919 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 8, 2007. 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.