Registry record
- NPI
- 1275133340
- Profession
- Physician Assistant (PA)
- Specialty
- Surgical Physician Assistant (363AS0400X)
- Practice address
- 4814 Lake Livingston Dr
Corpus Christi, TX 78413 - Phone
- 3618130160
- In the registry since
- October 28, 2020
- Last NPPES update
- October 28, 2020
- Sole proprietor
- Yes
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Mark Williams is 1275133340. They are a Surgical Physician Assistant in Corpus Christi, Texas.
Mark Williams is one of 35 Surgical Physician Assistants in Corpus Christi and one of 1,762 across Texas in our data. Corpus Christi ranks #9 among Texas cities in our dataset, with 737 NP and PA providers.
The NPI has been in the federal registry for 5 years, since October 28, 2020.
Frequently asked questions
What is NPI 1275133340?
NPI 1275133340 is the 10-digit National Provider Identifier assigned to Mark Williams, a Surgical Physician Assistant practicing in Corpus Christi, Texas. The record has been in the NPPES registry since October 28, 2020.
How do I verify this provider?
Cross-check NPI 1275133340 in the official CMS registry at npiregistry.cms.hhs.gov. 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 October 28, 2020. 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.