DR. PAUL MUNACHISO OSUNWA JR. MD
NPI 1255911673
Anesthesiology in Corona, CA
About Dr. Paul Munachiso Osunwa Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PAUL MUNACHISO OSUNWA JR. MD (NPI 1255911673) is an individual anesthesiology provider in Corona, California, licensed in California (A203687) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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. Paul Munachiso Osunwa Jr. 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
6Medicare enrollment records show Paul Osunwa reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Corona, CA 92882
- Reassigned Medicare billing, California enrollment
- 70 clinicians in this Medicare group
Riverside, CA 92506
- Reassigned Medicare billing, California enrollment
- 27 clinicians in this Medicare group
Wildomar, CA 92595
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Murrieta, CA 92562
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Temecula, CA 92592
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Camarillo, CA 93012
- Reassigned Medicare billing, California enrollment
- 112 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.
CORONA, CA 92882
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 Paul Osunwa's NPI number?
The NPI number for Paul Osunwa is 1255911673. It was assigned to this individual provider in the NPPES registry on April 9, 2021.
Where is Paul Osunwa located?
Paul Osunwa practices at 800 S Main St, Corona, CA 92882. The listed phone number is (951) 990-4730.
What is Paul Osunwa's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Paul Osunwa enrolled in Medicare?
Yes. Paul Osunwa 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 Paul Osunwa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Osunwa reassigns Medicare benefits to 6 organizations: Corona Anesthesia Group, Inc. (Corona, CA), Riverside Anesthesia Partners Inc (Riverside, CA), Inland Valley Anesthesia Partners, Inc (Wildomar, CA), Rancho Springs Anesthesia Partners, Inc (Murrieta, CA), Temecula Valley Anesthesia Partners, Inc (Temecula, CA) and 1 more organization, 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 Paul Osunwa'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 Paul Osunwa was last updated on July 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Paul Munachiso Osunwa Jr., MD · NPI 1255911673
Anesthesiology physician in Corona, California. Individual provider, active in the CMS NPPES registry since April 9, 2021.
## Identity
- **NPI:** 1255911673 (Entity type: Individual)
- **Enumerated:** April 9, 2021
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A203687 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 800 S MAIN ST, Corona, CA 92882-3420
- **Phone:** (951) 990-4730
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Corona Anesthesia Group, Inc. (NPI 1558865840, Corona, CA); Riverside Anesthesia Partners Inc (NPI 1700694262, Riverside, CA); Inland Valley Anesthesia Partners, Inc (NPI 1053173955, Wildomar, CA); Rancho Springs Anesthesia Partners, Inc (NPI 1730941634, Murrieta, CA); Temecula Valley Anesthesia Partners, Inc (NPI 1114789013, Temecula, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1255911673) · Data from the CMS NPPES public registry.