Registry record
- NPI
- 1720663933
- Profession
- Nurse Practitioner (NP)
- Specialty
- Psychiatric/Mental Health Nurse Practitioner (363LP0808X)
- Practice address
- 1155 Dairy Ashford Rd
Houston, TX 77079 - Phone
- 7137992200
- In the registry since
- March 10, 2021
- Last NPPES update
- November 3, 2025
- Sole proprietor
- No
- License
- 1026207 (TX)
At this location
One other provider in our data lists 1155 Dairy Ashford Rd, Houston as a practice address:
- Rafael Perez De Camino Quirch
Family Nurse Practitioner · NPI 1417538935
In context
The NPI number of Gladys Chefack is 1720663933. They are a Psychiatric/Mental Health Nurse Practitioner in Houston, Texas.
Gladys Chefack is one of 558 Psychiatric/Mental Health Nurse Practitioners in Houston and one of 4,351 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 5 years, since March 10, 2021.
Frequently asked questions
What is NPI 1720663933?
NPI 1720663933 is the 10-digit National Provider Identifier assigned to Gladys Chefack, a Psychiatric/Mental Health Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since March 10, 2021.
How do I verify this provider?
Cross-check NPI 1720663933 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1026207 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 November 3, 2025. 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.