Paul Munachiso Osunwa, MD
Anesthesiology Physician · Corona, CA
Paul Munachiso Osunwa, MD is an anesthesiology physician with a practice address in Corona, California, and NPI 1255911673, issued on Apr 9, 2021. Check the license (California A203687, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Munachiso Osunwa
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A203687 CA
Self-reported in NPPES; status is on the state search - Practice location
- 800 S Main St, Corona, CA 92882
- Phone
- (951) 990-4730
- Enumerated
- Apr 9, 2021
- Record last updated
- Jul 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20250812002303); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 800 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Addo-Yobo, DOEmergency Medicine Physician1821625955
- James Ahn, M.D.Anesthesiology Physician1588641963
- Julie Ahn, PA-CPhysician Assistant1346802543
- Thomas Assali, DOInternal Medicine Physician1598225062
- Cynthia Bailey, P.A.-CPhysician Assistant1316053036
- David Bear, M.D.Emergency Medicine Physician1114033883
Verify Paul Munachiso Osunwa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A203687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 4 group practices
- Corona Anesthesia Group IncCorona, CA
- Inland Valley Anesthesia Partners IncWildomar, CA
- Rancho Springs Anesthesia Partners IncMurrieta, CA
- Temecula Valley Anesthesia Partners IncTemecula, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul Munachiso Osunwa among 7,571 anesthesiology physician records in California
Paul Munachiso Osunwa, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2021 · median 2006 among the 4,868 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Corona → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- James Ahn, M.D.Corona, CA 928821588641963
- Charles Dai, M.D.Corona, CA 928821730135401
- Mahesh Desilva, M.D.Corona, CA 928821114162682
- Mina Kazemian, DOCorona, CA 928821306330063
- Wendy Martin, MDCorona, CA 928821083686695
- Ramin Rahimian, M.D.Corona, CA 928821215171467
- Jeffrey Rieker, M.D.Corona, CA 928821043266802
- Mital Shah, DOCorona, CA 928821538663042
Common questions
What is Paul Munachiso Osunwa, MD's NPI number?
Paul Munachiso Osunwa, MD's National Provider Identifier (NPI) is 1255911673, issued on Apr 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Paul Munachiso Osunwa, MD located?
The NPPES record lists a practice address at 800 S Main St, Corona, CA, 92882. Phone: (951) 990-4730. Providers update this record themselves, so call before visiting.
How can I verify Paul Munachiso Osunwa, MD's license?
NPPES lists California license number A203687, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.