DR. DAVOOD TARZI MD
NPI 1871081901
Anesthesiology in Orange, CA
About Dr. Davood Tarzi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVOOD TARZI MD (NPI 1871081901) is an individual anesthesiology provider in Orange, California, licensed in California (A179928) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Group Practice 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. Davood Tarzi 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
4Medicare enrollment records show Davood Tarzi reassigns Medicare billing to 4 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
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 37 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 53 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 12
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.
ORANGE, CA 92868
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 Davood Tarzi's NPI number?
The NPI number for Davood Tarzi is 1871081901. It was assigned to this individual provider in the NPPES registry on April 24, 2018.
Where is Davood Tarzi located?
Davood Tarzi practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7890.
What is Davood Tarzi's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Davood Tarzi enrolled in Medicare?
Yes. Davood Tarzi 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 Davood Tarzi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Davood Tarzi reassigns Medicare benefits to 4 organizations: Regents Of The University Of (Orange, CA), Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Simi Valley Anesthesia Medical Group (Simi Valley, CA) and Conejo Los Robles Anesthesiology Medical Group, Inc. (Thousand Oaks, 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 Davood Tarzi'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 Davood Tarzi was last updated on July 13, 2022. 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. Davood Tarzi, MD · NPI 1871081901
Anesthesiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since April 24, 2018.
## Identity
- **NPI:** 1871081901 (Entity type: Individual)
- **Enumerated:** April 24, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A179928 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-7890
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of (NPI 1487602546, Orange, CA); Cedars-Sinai Medical Care Foundation (NPI 1316984388, Los Angeles, CA); Simi Valley Anesthesia Medical Group (NPI 1912936709, Simi Valley, CA); Conejo Los Robles Anesthesiology Medical Group, Inc. (NPI 1821171729, Thousand Oaks, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 13, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1871081901) · Data from the CMS NPPES public registry.