OLAJIRE IDOWU M.D.
NPI 1841236320
Surgery - Pediatric Surgery in Oakland, CA
About Olajire Idowu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLAJIRE IDOWU M.D. (NPI 1841236320) is an individual pediatric surgery provider in Oakland, California, licensed in California (A33345) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Olajire Idowu M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Olajire Idowu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 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.
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.
OAKLAND, CA 94609
OAKLAND, CA 94609
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 Olajire Idowu's NPI number?
The NPI number for Olajire Idowu is 1841236320. It was assigned to this individual provider in the NPPES registry on June 21, 2006.
Where is Olajire Idowu located?
Olajire Idowu practices at 744 52nd St 4100, Oakland, CA 94609. The listed phone number is (510) 547-1600.
What is Olajire Idowu's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.
Is Olajire Idowu enrolled in Medicare?
Yes. Olajire Idowu is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Olajire Idowu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olajire Idowu reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, 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 Olajire Idowu'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 Olajire Idowu was last updated on October 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Olajire Idowu, M.D. · NPI 1841236320
Pediatric Surgery physician in Oakland, California. Individual provider, active in the CMS NPPES registry since June 21, 2006.
## Identity
- **NPI:** 1841236320 (Entity type: Individual)
- **Enumerated:** June 21, 2006
- **Primary specialty:** Surgery - Pediatric Surgery · taxonomy 2086S0120X
- **State license:** A33345 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 744 52ND ST, 4100, Oakland, CA 94609-1810
- **Phone:** (510) 547-1600 · **Fax:** (510) 428-3405
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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 California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 14, 2013
- **Other identifiers:** Medicaid 00A33450 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1841236320) · Data from the CMS NPPES public registry.