NPI Atlas

Alyssa Trujillo O'Brien, WHNP

Women's Health Nurse Practitioner in Houston, Texas. NPI 1841548476.

NPI1841548476

Registry record

NPI
1841548476
Profession
Nurse Practitioner (NP)
Specialty
Women's Health Nurse Practitioner (363LW0102X)
Practice address
4600 Gulf Fwy
Houston, TX 77023
Phone
7138316554
In the registry since
August 29, 2012
Last NPPES update
August 29, 2012
Sole proprietor
No
License
710482 (TX)

At this location

10 other providers in our data list 4600 Gulf Fwy, Houston as a practice address:

In context

The NPI number of Alyssa O'Brien is 1841548476. They are a Women's Health Nurse Practitioner in Houston, Texas.

Alyssa O'Brien is one of 122 Women's Health Nurse Practitioners in Houston and one of 1,070 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 13 years, since August 29, 2012.

Frequently asked questions

What is NPI 1841548476?

NPI 1841548476 is the 10-digit National Provider Identifier assigned to Alyssa O'Brien, a Women's Health Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since August 29, 2012.

How do I verify this provider?

Cross-check NPI 1841548476 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 710482 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 August 29, 2012. 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.