Registry record
- NPI
- 1891431979
- Profession
- Physician Assistant (PA)
- Specialty
- Physician Assistant (363A00000X)
- Practice address
- Ut Southwestern Medical Center 5323 Harry Hines Blvd
Dallas, TX 75390 - Phone
- 2146458765
- In the registry since
- May 11, 2022
- Last NPPES update
- May 11, 2022
- Sole proprietor
- No
- License
- PA15547 (TX)
At this location
One other provider in our data lists Ut Southwestern Medical Center 5323 Harry Hines Blvd, Dallas as a practice address:
- Emily Haynie, PA-C
Physician Assistant · NPI 1174877575
In context
The NPI number of Joseph Xin is 1891431979. They are a Physician Assistant in Dallas, Texas.
Joseph Xin is one of 1,215 Physician Assistants in Dallas and one of 11,405 across Texas in our data. Dallas ranks #2 among Texas cities in our dataset, with 4,918 NP and PA providers.
The NPI has been in the federal registry for 4 years, since May 11, 2022.
Frequently asked questions
What is NPI 1891431979?
NPI 1891431979 is the 10-digit National Provider Identifier assigned to Joseph Xin, a Physician Assistant practicing in Dallas, Texas. The record has been in the NPPES registry since May 11, 2022.
How do I verify this provider?
Cross-check NPI 1891431979 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license PA15547 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 11, 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.