NPI Atlas

Mary Ann Zalewski

Adult Health Nurse Practitioner in Houston, Texas. NPI 1356431340.

NPI1356431340

Registry record

NPI
1356431340
Profession
Nurse Practitioner (NP)
Specialty
Adult Health Nurse Practitioner (363LA2200X)
Practice address
1515 Holcombe Blvd, Suite 4628
Houston, TX 77030
In the registry since
October 13, 2006
Last NPPES update
March 25, 2021
Sole proprietor
No
License
645734 (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 Mary Ann Zalewski is 1356431340. They are a Adult Health Nurse Practitioner in Houston, Texas.

Mary Ann Zalewski is one of 349 Adult Health Nurse Practitioners in Houston and one of 1,584 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 19 years, since October 13, 2006.

Frequently asked questions

What is NPI 1356431340?

NPI 1356431340 is the 10-digit National Provider Identifier assigned to Mary Ann Zalewski, a Adult Health Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since October 13, 2006.

How do I verify this provider?

Cross-check NPI 1356431340 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 645734 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 25, 2021. 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.