DR. TOKUNBO LABISI WILLIAMS M.D
NPI 1033422274
Psychiatry & Neurology - Psychiatry in Riverside, CA
About Dr. Tokunbo Labisi Williams M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TOKUNBO LABISI WILLIAMS M.D (NPI 1033422274) is an individual psychiatry provider in Riverside, California, licensed in Washington (MD61473385) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses
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. Tokunbo Labisi Williams 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
6Medicare enrollment records show Tokunbo Williams reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92503
- Reassigned Medicare billing, California enrollment
- 336 clinicians in this Medicare group
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 208 clinicians in this Medicare group
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 233 clinicians in this Medicare group
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 754 clinicians in this Medicare group
Billings, MT 59101
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Sioux Falls, SD 57104
- Reassigned Medicare billing, California enrollment
- 41 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
RIVERSIDE, CA 92503
RIVERSIDE, CA 92503
RIVERSIDE, CA 92503
RIVERSIDE, CA 92503
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 Tokunbo Williams's NPI number?
The NPI number for Tokunbo Williams is 1033422274. It was assigned to this individual provider in the NPPES registry on July 16, 2010.
Where is Tokunbo Williams located?
Tokunbo Williams practices at 9990 County Farm Rd, Riverside, CA 92503. The listed phone number is (951) 358-4770.
What is Tokunbo Williams's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Tokunbo Williams enrolled in Medicare?
Yes. Tokunbo Williams 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 Tokunbo Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tokunbo Williams reassigns Medicare benefits to 6 organizations: County Of Riverside (Riverside, CA), Cep America - Psychiatry PC (Colton, CA), County Of San Bernardino (Colton, CA), Legacy Salmon Creek Hospital (Vancouver, WA), Billings Clinic (Billings, MT) 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 Tokunbo Williams'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 Tokunbo Williams was last updated on December 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Tokunbo Labisi Williams, M.D · NPI 1033422274
Psychiatry physician in Riverside, California. Individual provider, active in the CMS NPPES registry since July 16, 2010.
## Identity
- **NPI:** 1033422274 (Entity type: Individual)
- **Enumerated:** July 16, 2010
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** MD61473385 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 9990 COUNTY FARM RD, Riverside, CA 92503-3542
- **Phone:** (951) 358-4770
## 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): County Of Riverside (NPI 1073815007, Riverside, CA); Cep America - Psychiatry PC (NPI 1306408000, Colton, CA); County Of San Bernardino (NPI 1265637524, Colton, CA); Legacy Salmon Creek Hospital (NPI 1356357784, Vancouver, WA); Billings Clinic (NPI 1376598714, Billings, MT); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** December 14, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1033422274) · Data from the CMS NPPES public registry.