NPI Atlas

Joselyn Ruth Mercer, PA-C

Physician Assistant in Austin, Texas. NPI 1861100117.

NPI1861100117

Registry record

NPI
1861100117
Profession
Physician Assistant (PA)
Specialty
Physician Assistant (363A00000X)
Practice address
4900 Mueller Blvd
Austin, TX 78723
Phone
5123240000
In the registry since
November 7, 2022
Last NPPES update
April 1, 2024
Sole proprietor
No
License
PA16732 (TX)

At this location

84 other providers in our data list 4900 Mueller Blvd, Austin as a practice address:

In context

The NPI number of Joselyn Mercer is 1861100117. They are a Physician Assistant in Austin, Texas.

Joselyn Mercer is one of 644 Physician Assistants in Austin and one of 11,405 across Texas in our data. Austin ranks #4 among Texas cities in our dataset, with 2,782 NP and PA providers.

The NPI has been in the federal registry for 3 years, since November 7, 2022.

Frequently asked questions

What is NPI 1861100117?

NPI 1861100117 is the 10-digit National Provider Identifier assigned to Joselyn Mercer, a Physician Assistant practicing in Austin, Texas. The record has been in the NPPES registry since November 7, 2022.

How do I verify this provider?

Cross-check NPI 1861100117 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA16732 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 1, 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.