DR. JEANNIE WON CHANG PSY.D.
NPI 1104055029
Psychologist in San Francisco, CA
About Dr. Jeannie Won Chang Psy.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEANNIE WON CHANG PSY.D. (NPI 1104055029) is an individual psychologist in San Francisco, California, licensed in California (PSY27785) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jeannie Won Chang Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jeannie Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Leandro, CA 94577
- Reassigned Medicare billing, California enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
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 Jeannie Chang's NPI number?
The NPI number for Jeannie Chang is 1104055029. It was assigned to this individual provider in the NPPES registry on July 13, 2009.
Where is Jeannie Chang located?
Jeannie Chang practices at 555 Polk St, San Francisco, CA 94102. The listed phone number is (415) 292-2565.
What is Jeannie Chang's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Jeannie Chang enrolled in Medicare?
Yes. Jeannie Chang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jeannie Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeannie Chang reassigns Medicare benefits to (San Leandro, 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 Jeannie Chang'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 Jeannie Chang was last updated on March 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.