KIMBERLY WILLIAMS
NPI 1427611458
Marriage & Family Therapist in Upland, CA
About Kimberly Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KIMBERLY WILLIAMS (NPI 1427611458) is an individual marriage & family therapist in Upland, California and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.
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 (PECOS)
Kimberly Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kimberly Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverside, CA 92508
- Reassigned Medicare billing, California enrollment
- 68 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.
UPLAND, CA 91786
UPLAND, CA 91786
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 Kimberly Williams's NPI number?
The NPI number for Kimberly Williams is 1427611458. It was assigned to this individual provider in the NPPES registry on April 16, 2019.
Where is Kimberly Williams located?
Kimberly Williams practices at 1260 E Arrow Hwy, Upland, CA 91786. The listed phone number is (909) 608-2002.
What is Kimberly Williams's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Kimberly Williams enrolled in Medicare?
Yes. Kimberly Williams is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kimberly Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kimberly Williams reassigns Medicare benefits to Family Talk Therapy Center (Riverside, CA). The 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 Kimberly 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 Kimberly Williams was last updated on April 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Kimberly Williams · NPI 1427611458
Marriage & Family Therapist provider in Upland, California. Individual provider, active in the CMS NPPES registry since April 16, 2019.
## Identity
- **NPI:** 1427611458 (Entity type: Individual)
- **Enumerated:** April 16, 2019
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 1260 E ARROW HWY, Upland, CA 91786-4982
- **Phone:** (909) 608-2002 · **Fax:** (909) 932-1087
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Family Talk Therapy Center (NPI 1174089411, Riverside, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 16, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1427611458) · Data from the CMS NPPES public registry.