NPI Atlas

Maria Roach Williams, APRN, FNP-BC

Family Nurse Practitioner in Harlingen, Texas. NPI 1699218495.

NPI1699218495

Registry record

NPI
1699218495
Profession
Nurse Practitioner (NP)
Specialty
Family Nurse Practitioner (363LF0000X)
Practice address
509 S Expressway 83 Ste B
Harlingen, TX 78550
In the registry since
November 28, 2016
Last NPPES update
April 24, 2024
Sole proprietor
No
License
AP132493 (TX)

At this location

2 other providers in our data list 509 S Expressway 83 Ste B, Harlingen as a practice address:

In context

The NPI number of Maria Williams is 1699218495. They are a Family Nurse Practitioner in Harlingen, Texas.

Maria Williams is one of 108 Family Nurse Practitioners in Harlingen and one of 22,499 across Texas in our data.

The NPI has been in the federal registry for 9 years, since November 28, 2016.

Frequently asked questions

What is NPI 1699218495?

NPI 1699218495 is the 10-digit National Provider Identifier assigned to Maria Williams, a Family Nurse Practitioner practicing in Harlingen, Texas. The record has been in the NPPES registry since November 28, 2016.

How do I verify this provider?

Cross-check NPI 1699218495 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP132493 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 April 24, 2024. 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.