DR. ALAN JOHN HSU M.D.
NPI 1861636763
Psychiatry & Neurology - Psychiatry in San Diego, CA
About Dr. Alan John Hsu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALAN JOHN HSU M.D. (NPI 1861636763) is an individual psychiatry provider in San Diego, California, licensed in New York (258609) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Alan John Hsu M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alan Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The University Of California
- Also billed through NPI 1508968967 (California)
- 1,051 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92108
SAN DIEGO, CA 92108
SAN DIEGO, CA 92108
SAN DIEGO, CA 92108
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alan Hsu's NPI number?
The NPI number for Alan Hsu is 1861636763. It was assigned to this individual provider in the NPPES registry on April 23, 2009.
Where is Alan Hsu located?
Alan Hsu practices at 8810 Rio San Diego Dr VA San Diego Healthcare System, San Diego, CA 92108. The listed phone number is (619) 400-5000.
What is Alan Hsu's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Alan Hsu enrolled in Medicare?
Yes. Alan Hsu is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alan Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alan Hsu reassigns Medicare benefits to Regents Of The University Of California - Ucsd Medical Group (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alan Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alan Hsu was last updated on August 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Alan John Hsu, M.D. · NPI 1861636763
Psychiatry physician in San Diego, California. Individual provider, active in the CMS NPPES registry since April 23, 2009.
## Identity
- **NPI:** 1861636763 (Entity type: Individual)
- **Enumerated:** April 23, 2009
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 258609 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 8810 RIO SAN DIEGO DR, VA SAN DIEGO HEALTHCARE SYSTEM, San Diego, CA 92108-1698
- **Phone:** (619) 400-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Regents Of The University Of California - Ucsd Medical Group (NPI 1336267137, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 13, 2014
---
Source: [NPI Profile](https://npiprofile.com/npi/1861636763) · Data from the CMS NPPES public registry.