DR. HOWARD JIAN ZHI ZEE M.D.
NPI 1922487545
Anesthesiology in Orange, CA
About Dr. Howard Jian Zhi Zee M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOWARD JIAN ZHI ZEE M.D. (NPI 1922487545) is an individual anesthesiology provider in Orange, California, licensed in California (A161683) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Honolulu, and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses 3
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
Dr. Howard Jian Zhi Zee 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
5Medicare enrollment records show Howard Zee reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 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
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 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.
ORANGE, CA 92868
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 Howard Zee's NPI number?
The NPI number for Howard Zee is 1922487545. It was assigned to this individual provider in the NPPES registry on May 28, 2015.
Where is Howard Zee located?
Howard Zee practices at 333 City Blvd W Ste 2150, Orange, CA 92868. The listed phone number is (714) 456-5501.
What is Howard Zee's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Howard Zee enrolled in Medicare?
Yes. Howard Zee 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 Howard Zee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Howard Zee reassigns Medicare benefits to 5 organizations: Regents Of The University Of (Orange, CA), Cep America - Anesthesia PC (Laguna Hills, CA), University Anesthesia Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Regents Of The Univ Of Ca (Sacramento, 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 Howard Zee'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 Howard Zee was last updated on September 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Howard Jian Zhi Zee, M.D. · NPI 1922487545
Anesthesiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since May 28, 2015.
## Identity
- **NPI:** 1922487545 (Entity type: Individual)
- **Enumerated:** May 28, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A161683 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 CITY BLVD W STE 2150, Orange, CA 92868-5920
- **Phone:** (714) 456-5501 · **Fax:** (714) 456-7702
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of (NPI 1487602546, Orange, CA); Cep America - Anesthesia PC (NPI 1861373631, Laguna Hills, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Regents Of The Univ Of Ca (NPI 1447423959, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Hawaii John A. Burns School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** September 15, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1922487545) · Data from the CMS NPPES public registry.