AMY XIAOYUE ZHANG M.D.
NPI 1780116434
Anesthesiology in San Francisco, CA
About Amy Xiaoyue Zhang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY XIAOYUE ZHANG M.D. (NPI 1780116434) is an individual anesthesiology provider in San Francisco, California, licensed in California (A190737) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Medical College Of Wisconsin (2017).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Amy Xiaoyue Zhang M.d. 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.
Medicare Billing Reassignments
6Medicare enrollment records show Amy Zhang reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1386619344 (California)
- 842 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.
SAN FRANCISCO, CA 94143
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 Amy Zhang's NPI number?
The NPI number for Amy Zhang is 1780116434. It was assigned to this individual provider in the NPPES registry on March 31, 2017.
Where is Amy Zhang located?
Amy Zhang practices at 521 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-9035.
What is Amy Zhang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Amy Zhang enrolled in Medicare?
Yes. Amy Zhang 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.
Which organizations bill Medicare for Amy Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Zhang reassigns Medicare benefits to 6 organizations: Regents Of The University Of California (San Francisco, CA), University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), City & County Of San Francisco (San Francisco, CA) and 1 more organization, listed in the Medicare section above. 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 Amy Zhang'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 Amy Zhang was last updated on November 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.
# Amy Xiaoyue Zhang, M.D. · NPI 1780116434
Anesthesiology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 31, 2017.
## Identity
- **NPI:** 1780116434 (Entity type: Individual)
- **Enumerated:** March 31, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A190737 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 521 PARNASSUS AVE, San Francisco, CA 94143-2206
- **Phone:** (415) 476-9035 · **Fax:** (415) 476-9516
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); City & County Of San Francisco (NPI 1528083300, San Francisco, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2017
## Record status
- **NPPES last updated:** November 27, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1780116434) · Data from the CMS NPPES public registry.