NPI Atlas

Mari Ingrid Gray, APRN

Gerontology Nurse Practitioner in Houston, Texas. NPI 1639839145.

NPI1639839145

Registry record

NPI
1639839145
Profession
Nurse Practitioner (NP)
Specialty
Gerontology Nurse Practitioner (363LG0600X)
Practice address
1515 Holcombe Blvd
Houston, TX 77030
Phone
7137926161
In the registry since
December 23, 2021
Last NPPES update
March 7, 2022
Sole proprietor
No
License
1041227 (TX)

At this location

1,545 other providers in our data list 1515 Holcombe Blvd, Houston as a practice address:

In context

The NPI number of Mari Gray is 1639839145. They are a Gerontology Nurse Practitioner in Houston, Texas.

Mari Gray is one of 314 Gerontology Nurse Practitioners in Houston and one of 1,529 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 December 23, 2021.

Frequently asked questions

What is NPI 1639839145?

NPI 1639839145 is the 10-digit National Provider Identifier assigned to Mari Gray, a Gerontology Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since December 23, 2021.

How do I verify this provider?

Cross-check NPI 1639839145 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1041227 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 March 7, 2022. 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.