NPI Atlas

Susan Marie Mercier, NNP

Neonatal Nurse Practitioner in San Antonio, Texas. NPI 1043238322.

NPI1043238322

Registry record

NPI
1043238322
Profession
Nurse Practitioner (NP)
Specialty
Neonatal Nurse Practitioner (363LN0000X)
Practice address
5430 Fredericksburg Rd Ste 508
San Antonio, TX 78229
Phone
2105418281
In the registry since
July 17, 2006
Last NPPES update
March 11, 2026
Sole proprietor
No
License
AP108321 (TX)

At this location

41 other providers in our data list 5430 Fredericksburg Rd Ste 508, San Antonio as a practice address:

In context

The NPI number of Susan Mercier is 1043238322. They are a Neonatal Nurse Practitioner in San Antonio, Texas.

Susan Mercier is one of 69 Neonatal Nurse Practitioners in San Antonio and one of 695 across Texas in our data. San Antonio ranks #3 among Texas cities in our dataset, with 3,972 NP and PA providers.

The NPI has been in the federal registry for 19 years, since July 17, 2006.

Frequently asked questions

What is NPI 1043238322?

NPI 1043238322 is the 10-digit National Provider Identifier assigned to Susan Mercier, a Neonatal Nurse Practitioner practicing in San Antonio, Texas. The record has been in the NPPES registry since July 17, 2006.

How do I verify this provider?

Cross-check NPI 1043238322 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP108321 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 11, 2026. 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.