GINA JEE YOON CHANG MD
NPI 1164044855
Psychiatry & Neurology - Neuromuscular Medicine in Palo Alto, CA
About Gina Jee Yoon Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GINA JEE YOON CHANG MD (NPI 1164044855) is an individual neuromuscular medicine provider in Palo Alto, California, licensed in California (A200629) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2020).
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gina Jee Yoon Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
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.
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 Gina Chang's NPI number?
The NPI number for Gina Chang is 1164044855. It was assigned to this individual provider in the NPPES registry on May 15, 2020.
Where is Gina Chang located?
Gina Chang practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.
What is Gina Chang's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neuromuscular Medicine, with taxonomy code 2084N0008X.
Is Gina Chang enrolled in Medicare?
Yes. Gina Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Gina Chang was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.
# Gina Jee Yoon Chang, MD · NPI 1164044855
Neuromuscular Medicine physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since May 15, 2020.
## Identity
- **NPI:** 1164044855 (Entity type: Individual)
- **Enumerated:** May 15, 2020
- **Primary specialty:** Psychiatry & Neurology - Neuromuscular Medicine · taxonomy 2084N0008X
- **State license:** A200629 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 WELCH RD, Palo Alto, CA 94304-1601
- **Phone:** (650) 497-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2020
## Record status
- **NPPES last updated:** September 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1164044855) · Data from the CMS NPPES public registry.