Registry record
- NPI
- 1811655640
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 1400 Broadfield Blvd
Houston, TX 77084 - Phone
- 9149199200
- In the registry since
- November 29, 2021
- Last NPPES update
- April 14, 2026
- Sole proprietor
- No
- License
- 926949 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Stephine Martinez is 1811655640. They are a Family Nurse Practitioner in Houston, Texas.
Stephine Martinez is one of 2,753 Family Nurse Practitioners in Houston and one of 22,499 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 4 years, since November 29, 2021.
Frequently asked questions
What is NPI 1811655640?
NPI 1811655640 is the 10-digit National Provider Identifier assigned to Stephine Martinez, a Family Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since November 29, 2021.
How do I verify this provider?
Cross-check NPI 1811655640 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 926949 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 April 14, 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.