DR. OSCAR JOSEPHUS ZAGALA M.D.
NPI 1730131053
Anesthesiology in W Hollywood, CA
About Dr. Oscar Josephus Zagala M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OSCAR JOSEPHUS ZAGALA M.D. (NPI 1730131053) is an individual anesthesiology provider in W Hollywood, California, licensed in California (A75130) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Glendale, and is a graduate of Loma Linda University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Oscar Josephus Zagala 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
10Medicare enrollment records show Oscar Zagala reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Los Angeles, CA 90017
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
Glendale, CA 91202
- Reassigned Medicare billing, California enrollment
- 58 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 131 clinicians in this Medicare group
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 42 clinicians in this Medicare group
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 164 clinicians in this Medicare group
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 214 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 52 clinicians in this Medicare group
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 37 clinicians in this Medicare group
Santa Barbara, CA 93101
- Reassigned Medicare billing, California enrollment
- 13 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.
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 10
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 Oscar Zagala's NPI number?
The NPI number for Oscar Zagala is 1730131053. It was assigned to this individual provider in the NPPES registry on May 16, 2006.
Where is Oscar Zagala located?
Oscar Zagala practices at 8700 Beverly Blvd Ste Sb290, W Hollywood, CA 90048. The listed phone number is (310) 423-5841.
What is Oscar Zagala's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Oscar Zagala enrolled in Medicare?
Yes. Oscar Zagala 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 Oscar Zagala's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Zagala reassigns Medicare benefits to 10 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Samaritan Anesthesiology Medical Group (Los Angeles, CA), La Quality Care Anesthesia Consultants Inc (Glendale, CA), White Memorial Medical Center (Los Angeles, CA), Consultants For Anesthesia & Management Of Pain (Glendale, CA) and 5 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 Oscar Zagala'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 Oscar Zagala was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Oscar Josephus Zagala, M.D. · NPI 1730131053
Anesthesiology physician in W Hollywood, California. Individual provider, active in the CMS NPPES registry since May 16, 2006.
## Identity
- **NPI:** 1730131053 (Entity type: Individual)
- **Enumerated:** May 16, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A75130 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8700 BEVERLY BLVD STE SB290, W Hollywood, CA 90048-1804
- **Phone:** (310) 423-5841
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Samaritan Anesthesiology Medical Group (NPI 1982792743, Los Angeles, CA); La Quality Care Anesthesia Consultants Inc (NPI 1427470053, Glendale, CA); White Memorial Medical Center (NPI 1215927470, Los Angeles, CA); Consultants For Anesthesia & Management Of Pain (NPI 1952323909, Glendale, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** December 10, 2025
- **Other identifiers:** Medicaid 00A751300 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1730131053) · Data from the CMS NPPES public registry.