Registry record
- NPI
- 1356431340
- Profession
- Nurse Practitioner (NP)
- Specialty
- Adult Health Nurse Practitioner (363LA2200X)
- Practice address
- 1515 Holcombe Blvd, Suite 4628
Houston, TX 77030 - Phone
- 7137926161
- 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:
- Linda Stephanie Abad, PA-C
Physician Assistant · NPI 1063928240
- Cynthia P. Abarado, RN, GNP
Gerontology Nurse Practitioner · NPI 1851471049
- Miss Samiira Ali Abdullahi, PA-C
Physician Assistant · NPI 1568726941
- Ma Amabelle Ablan, APRN
Family Nurse Practitioner · NPI 1093289399
- Christina Renea Abouzid, FNP
Family Nurse Practitioner · NPI 1831649748
- Mrs. Betsy Manoj Abraham, CNP
Family Nurse Practitioner · NPI 1346767373
- Jeena Abraham
Family Nurse Practitioner · NPI 1467901587
- Jenny Sherine Abraham, PA-C
Physician Assistant · NPI 1275937781
- Nimmy Abraham, APRN CNP
Nurse Practitioner · NPI 1508635400
- Sherry Abraham, PA-C
Physician Assistant · NPI 1609274703
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.