Registry record
- NPI
- 1396103909
- Profession
- Physician Assistant (PA)
- Specialty
- Physician Assistant (363A00000X)
- Practice address
- 3600 N 23rd St Ste 103
Mcallen, TX 78501 - Phone
- 9566824401
- In the registry since
- February 10, 2016
- Last NPPES update
- March 20, 2024
- Sole proprietor
- Yes
- License
- PA03496 (TX)
At this location
5 other providers in our data list 3600 N 23rd St Ste 103, Mcallen as a practice address:
- Dr. Juan Angel Alanis, DMS'C, PA-C
Physician Assistant · NPI 1215412556
- Ms. Megan Nicole Chavez, PA-C
Physician Assistant · NPI 1386265783
- Belen Laqui Ramos, PA-C
Physician Assistant · NPI 1144761321
- Javier Suarez Jaramillo, PA-C
Physician Assistant · NPI 1972045664
- Edna Karina Villarreal, PA-C
Physician Assistant · NPI 1861101693
In context
The NPI number of Juliann Castillo is 1396103909. They are a Physician Assistant in Mcallen, Texas.
Juliann Castillo 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 February 10, 2016.
Frequently asked questions
What is NPI 1396103909?
NPI 1396103909 is the 10-digit National Provider Identifier assigned to Juliann Castillo, a Physician Assistant practicing in Mcallen, Texas. The record has been in the NPPES registry since February 10, 2016.
How do I verify this provider?
Cross-check NPI 1396103909 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA03496 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 20, 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.