Registry record
- NPI
- 1881903649
- Profession
- Nurse Practitioner (NP)
- Specialty
- Nurse Practitioner (363L00000X)
- Practice address
- 4800 Fredericksburg Rd, Suite 127
San Antonio, TX 78229 - Phone
- 2107335072
- In the registry since
- September 28, 2010
- Last NPPES update
- July 10, 2014
- Sole proprietor
- No
- License
- 714323 (TX)
At this location
4 other providers in our data list 4800 Fredericksburg Rd, San Antonio as a practice address:
- Angelina Cantrell, NP
Nurse Practitioner · NPI 1376560888
- Lea Ann Carver, NP
Nurse Practitioner · NPI 1669645180
- Edward Maxwell, PA
Physician Assistant · NPI 1972515831
- Tim Senthavisouk, NP
Nurse Practitioner · NPI 1376731885
In context
The NPI number of Gretchen Sinclair is 1881903649. They are a Nurse Practitioner in San Antonio, Texas.
Gretchen Sinclair is one of 531 Nurse Practitioners in San Antonio and one of 6,739 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 15 years, since September 28, 2010.
Frequently asked questions
What is NPI 1881903649?
NPI 1881903649 is the 10-digit National Provider Identifier assigned to Gretchen Sinclair, a Nurse Practitioner practicing in San Antonio, Texas. The record has been in the NPPES registry since September 28, 2010.
How do I verify this provider?
Cross-check NPI 1881903649 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 714323 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 10, 2014. 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.