Registry record
- NPI
- 1558736280
- Profession
- Physician Assistant (PA)
- Specialty
- Physician Assistant (363A00000X)
- Practice address
- 6900 N 10th St Ste No4
Mcallen, TX 78504 - Phone
- 9566275137
- In the registry since
- December 7, 2015
- Last NPPES update
- May 4, 2020
- Sole proprietor
- No
- License
- PA13525 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Marissa Casas is 1558736280. They are a Physician Assistant in Mcallen, Texas.
Marissa Casas is one of 143 Physician Assistants in Mcallen and one of 11,405 across Texas in our data. Mcallen ranks #16 among Texas cities in our dataset, with 526 NP and PA providers.
The NPI has been in the federal registry for 10 years, since December 7, 2015.
Frequently asked questions
What is NPI 1558736280?
NPI 1558736280 is the 10-digit National Provider Identifier assigned to Marissa Casas, a Physician Assistant practicing in Mcallen, Texas. The record has been in the NPPES registry since December 7, 2015.
How do I verify this provider?
Cross-check NPI 1558736280 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA13525 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 4, 2020. 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.