NPI Atlas

Mary Ellen Halamicek, NP

Nurse Practitioner in Houston, Texas. NPI 1609840339.

NPI1609840339

Registry record

NPI
1609840339
Profession
Nurse Practitioner (NP)
Specialty
Nurse Practitioner (363L00000X)
Practice address
7401 Main St
Houston, TX 77030
Phone
7137992300
In the registry since
February 17, 2006
Last NPPES update
October 11, 2018
Sole proprietor
No
License
04491 (TX)

At this location

33 other providers in our data list 7401 Main St, Houston as a practice address:

In context

The NPI number of Mary Halamicek is 1609840339. They are a Nurse Practitioner in Houston, Texas.

Mary Halamicek is one of 1,048 Nurse Practitioners in Houston and one of 6,739 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 20 years, since February 17, 2006.

Frequently asked questions

What is NPI 1609840339?

NPI 1609840339 is the 10-digit National Provider Identifier assigned to Mary Halamicek, a Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since February 17, 2006.

How do I verify this provider?

Cross-check NPI 1609840339 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 04491 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 October 11, 2018. 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.