ERICA WILLIAMS
NPI 1770010605
Social Worker - Clinical in Modesto, CA
About Erica Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERICA WILLIAMS (NPI 1770010605) is an individual clinical provider in Modesto, California, licensed in California (109365) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Erica Williams 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 Reassignment
Medicare enrollment records show Erica Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- 3,056 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 2
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 95350 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.
MODESTO, CA 95350
MODESTO, CA 95350
MODESTO, CA 95350
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 Erica Williams's NPI number?
The NPI number for Erica Williams is 1770010605. It was assigned to this individual provider in the NPPES registry on May 23, 2017.
Where is Erica Williams located?
Erica Williams practices at 2000 W Briggsmore Ave Ste I, Modesto, CA 95350. The listed phone number is (209) 526-1476.
What is Erica Williams's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Erica Williams enrolled in Medicare?
Yes. Erica 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 organization bills Medicare for Erica Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erica Williams reassigns Medicare benefits to Sutter Valley Medical Foundation (Modesto, 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 Erica 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 Erica Williams was last updated on July 28, 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.
# Erica Williams · NPI 1770010605
Clinical provider in Modesto, California. Individual provider, active in the CMS NPPES registry since May 23, 2017.
## Identity
- **NPI:** 1770010605 (Entity type: Individual)
- **Enumerated:** May 23, 2017
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 109365 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2000 W BRIGGSMORE AVE STE I, Modesto, CA 95350-3839
- **Phone:** (209) 526-1476
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Sutter Valley Medical Foundation (NPI 1669846986, Modesto, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1770010605) · Data from the CMS NPPES public registry.