NPI Atlas

Maria Jocelyn Younessian, BSN, RN, FNP

Nurse Practitioner in San Antonio, Texas. NPI 1821496159.

NPI1821496159

Registry record

NPI
1821496159
Profession
Nurse Practitioner (NP)
Specialty
Nurse Practitioner (363L00000X)
Practice address
1139 E Sonterra Blvd, Suite 405
San Antonio, TX 78258
Phone
2104040000
In the registry since
December 18, 2014
Last NPPES update
May 16, 2022
Sole proprietor
No
License
1034027 (TX)

At this location

14 other providers in our data list 1139 E Sonterra Blvd, San Antonio as a practice address:

In context

The NPI number of Maria Younessian is 1821496159. They are a Nurse Practitioner in San Antonio, Texas.

Maria Younessian is one of 531 Nurse Practitioners in San Antonio and one of 6,739 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 11 years, since December 18, 2014.

Frequently asked questions

What is NPI 1821496159?

NPI 1821496159 is the 10-digit National Provider Identifier assigned to Maria Younessian, a Nurse Practitioner practicing in San Antonio, Texas. The record has been in the NPPES registry since December 18, 2014.

How do I verify this provider?

Cross-check NPI 1821496159 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1034027 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 May 16, 2022. 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.