JOSEPH I. SISON M.D.
NPI 1487639001
Psychiatry & Neurology - Child & Adolescent Psychiatry in Sacramento, CA
About Joseph I. Sison M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH I. SISON M.D. (NPI 1487639001) is an individual child & adolescent psychiatry provider in Sacramento, California, licensed in California (G71704) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Joseph I. Sison M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Joseph Sison reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Citrus Heights, CA 95610
- Reassigned Medicare billing, California enrollment
- 918 clinicians in this Medicare group
Sacramento, CA 95816
- Reassigned Medicare billing, California enrollment
- 2,570 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.
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.
SACRAMENTO, CA 95841
SACRAMENTO, CA 95841
SACRAMENTO, CA 95841
SACRAMENTO, CA 95841
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 Joseph Sison's NPI number?
The NPI number for Joseph Sison is 1487639001. It was assigned to this individual provider in the NPPES registry on December 7, 2005.
Where is Joseph Sison located?
Joseph Sison practices at 4250 Auburn Blvd, Sacramento, CA 95841. The listed phone number is (916) 529-3907.
What is Joseph Sison's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Joseph Sison enrolled in Medicare?
Yes. Joseph Sison is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joseph Sison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Sison reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Citrus Heights, CA) and Regents Of The Univ Of Ca (Sacramento, CA). Each 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 Joseph Sison'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 Joseph Sison was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Joseph I. Sison, M.D. · NPI 1487639001
Child & Adolescent Psychiatry physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since December 7, 2005.
## Identity
- **NPI:** 1487639001 (Entity type: Individual)
- **Enumerated:** December 7, 2005
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** G71704 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4250 AUBURN BLVD, Sacramento, CA 95841-4100
- **Phone:** (916) 529-3907
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1215917810, Citrus Heights, CA); Regents Of The Univ Of Ca (NPI 1043208945, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicaid 00G717040 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1487639001) · Data from the CMS NPPES public registry.