DR. WEI ZHANG MD
NPI 1801970181
Anesthesiology in Orange, CA
About Dr. Wei Zhang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WEI ZHANG MD (NPI 1801970181) is an individual anesthesiology provider in Orange, California, licensed in California (A82196) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1991).
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 and accepts Medicare assignment
Dr. Wei Zhang 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.
Medicare Billing Reassignments
9Medicare enrollment records show Wei Zhang reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 168 clinicians in this Medicare group
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 73 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 110 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
Escondido, CA 92029
- Reassigned Medicare billing, California enrollment
- 45 clinicians in this Medicare group
Moorpark, CA 93021
- Reassigned Medicare billing, California enrollment
- 44 clinicians in this Medicare group
Camarillo, CA 93012
- Reassigned Medicare billing, California enrollment
- 112 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Anesthesia Services Of San Joaquin PC
- 217 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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 4
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.
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 Wei Zhang's NPI number?
The NPI number for Wei Zhang is 1801970181. It was assigned to this individual provider in the NPPES registry on October 24, 2006.
Where is Wei Zhang located?
Wei Zhang practices at 681 S Parker St Ste 150, Orange, CA 92868. The listed phone number is (714) 744-0900.
What is Wei Zhang's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Wei Zhang enrolled in Medicare?
Yes. Wei 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 Wei Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wei Zhang reassigns Medicare benefits to 9 organizations: Orange Coast Anesthesia Inc (Orange, CA), Anesthesia Specialists Of Orange County, Inc. (Anaheim, CA), Newport Harbor Anesthesia Consultants Medical Group Inc (Newport Beach, CA), West Coast Anesthesia Inc A Medical Group (Laguna Hills, CA), Palomar Anesthesia Partners Inc (Escondido, CA) and 4 more organizations, 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 Wei 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 Wei Zhang was last updated on November 24, 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.
# Dr. Wei Zhang, MD · NPI 1801970181
Anesthesiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since October 24, 2006.
## Identity
- **NPI:** 1801970181 (Entity type: Individual)
- **Enumerated:** October 24, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A82196 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 681 S PARKER ST STE 150, Orange, CA 92868-4761
- **Phone:** (714) 744-0900
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Orange Coast Anesthesia Inc (NPI 1508138256, Orange, CA); Anesthesia Specialists Of Orange County, Inc. (NPI 1134311319, Anaheim, CA); Newport Harbor Anesthesia Consultants Medical Group Inc (NPI 1205885357, Newport Beach, CA); West Coast Anesthesia Inc A Medical Group (NPI 1972634020, Laguna Hills, CA); Palomar Anesthesia Partners Inc (NPI 1174490445, Escondido, CA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** November 24, 2021
- **Other identifiers:** Medicaid 00A821960 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1801970181) · Data from the CMS NPPES public registry.