NICOLE GENEVIEVE WILLIAMS MD
NPI 1083936660
Psychiatry & Neurology - Psychiatry in Colton, CA
About Nicole Genevieve Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICOLE GENEVIEVE WILLIAMS MD (NPI 1083936660) is an individual psychiatry provider in Colton, California, licensed in California (A173753) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Leandro, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 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
Nicole Genevieve Williams 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
7Medicare enrollment records show Nicole Williams reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 208 clinicians in this Medicare group
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 5,228 clinicians in this Medicare group
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 840 clinicians in this Medicare group
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Indio, CA 92201
- Reassigned Medicare billing, California enrollment
- 29 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 181 clinicians in this Medicare group
Marysville, CA 95901
- Reassigned Medicare billing, California enrollment
- 110 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 5
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 92324 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
COLTON, CA 92324
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 Nicole Williams's NPI number?
The NPI number for Nicole Williams is 1083936660. It was assigned to this individual provider in the NPPES registry on February 23, 2010.
Where is Nicole Williams located?
Nicole Williams practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-2186.
What is Nicole Williams's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Nicole Williams enrolled in Medicare?
Yes. Nicole 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 Nicole Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicole Williams reassigns Medicare benefits to 7 organizations: Cep America - Psychiatry PC (Colton, CA), Southern California Permanente Medical Group (Fontana, CA), Pih Health Physicians (Rancho Cucamonga, CA), Mental Wellness Partners (Upland, CA), Psychicure PC (Indio, CA) and 2 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 Nicole 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 Nicole Williams was last updated on June 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Nicole Genevieve Williams, MD · NPI 1083936660
Psychiatry physician in Colton, California. Individual provider, active in the CMS NPPES registry since February 23, 2010.
## Identity
- **NPI:** 1083936660 (Entity type: Individual)
- **Enumerated:** February 23, 2010
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** A173753 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 N PEPPER AVE, Colton, CA 92324-1801
- **Phone:** (909) 580-2186 · **Fax:** (909) 580-3814
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Cep America - Psychiatry PC (NPI 1306408000, Colton, CA); Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA); Pih Health Physicians (NPI 1225798127, Rancho Cucamonga, CA); Mental Wellness Partners (NPI 1972096295, Upland, CA); Psychicure PC (NPI 1427911742, Indio, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 22, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1083936660) · Data from the CMS NPPES public registry.