CHIHYING JENNY WANG M.D.
NPI 1326011941
Anesthesiology in San Francisco, CA
About Chihying Jenny Wang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIHYING JENNY WANG M.D. (NPI 1326011941) is an individual anesthesiology provider in San Francisco, California, licensed in California (A88944) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2003).
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 and accepts Medicare assignment
Chihying Jenny Wang 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
3Medicare enrollment records show Chihying Wang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 13,921 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.
Areas of Expertise CMS Part B claims 3
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 94117
SAN FRANCISCO, CA 94117
SAN FRANCISCO, CA 94117
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 Chihying Wang's NPI number?
The NPI number for Chihying Wang is 1326011941. It was assigned to this individual provider in the NPPES registry on February 13, 2006.
Where is Chihying Wang located?
Chihying Wang practices at 450 Stanyan St, San Francisco, CA 94117. The listed phone number is (415) 750-5771.
What is Chihying Wang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Chihying Wang enrolled in Medicare?
Yes. Chihying Wang 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 Chihying Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chihying Wang reassigns Medicare benefits to 3 organizations: Cep America - Anesthesia, PC (Walnut Creek, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA) and Southern California Permanente Medical Group (Oxnard, 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 Chihying Wang'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 Chihying Wang was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Chihying Jenny Wang, M.D. · NPI 1326011941
Anesthesiology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since February 13, 2006.
## Identity
- **NPI:** 1326011941 (Entity type: Individual)
- **Enumerated:** February 13, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A88944 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 450 STANYAN ST, San Francisco, CA 94117-1019
- **Phone:** (415) 750-5771
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Cep America - Anesthesia, PC (NPI 1790401438, Walnut Creek, CA); John Muir Trauma Physicians Billing Service (NPI 1093864837, Walnut Creek, CA); Southern California Permanente Medical Group (NPI 1275756652, Oxnard, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2003
## Record status
- **NPPES last updated:** November 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1326011941) · Data from the CMS NPPES public registry.