Registry record
- NPI
- 1386959120
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 1303 Mccullough Ave, Suite 374
San Antonio, TX 78212 - Phone
- 2102235483
- In the registry since
- August 17, 2010
- Last NPPES update
- December 27, 2011
- Sole proprietor
- No
- License
- 550234 (TX)
At this location
2 other providers in our data list 1303 Mccullough Ave, San Antonio as a practice address:
- Mrs. Lucille Y Fournier, PA
Medical Physician Assistant · NPI 1265762074
- Mrs. Alba Graciela Sierra-Perez, DNP, APRN, WHNP-BC
Women's Health Nurse Practitioner · NPI 1467419119
In context
The NPI number of Petra Grinnell is 1386959120. They are a Family Nurse Practitioner in San Antonio, Texas.
Petra Grinnell is one of 1,496 Family Nurse Practitioners in San Antonio and one of 22,499 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 August 17, 2010.
Frequently asked questions
What is NPI 1386959120?
NPI 1386959120 is the 10-digit National Provider Identifier assigned to Petra Grinnell, a Family Nurse Practitioner practicing in San Antonio, Texas. The record has been in the NPPES registry since August 17, 2010.
How do I verify this provider?
Cross-check NPI 1386959120 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 550234 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 December 27, 2011. 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.