DANIELLE WILLIAMS
NPI 1083304562
Psychologist - Forensic in Napa, CA

Active since May 09, 2023PECOS EnrolledAccepts Medicare Assignment
2100 NAPA VALLEJO HWY, NAPA, CA 94558(707) 253-5000 Get Directions Write a Review

NPPES record last updated: May 9, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Danielle Williams NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIELLE WILLIAMS (NPI 1083304562) is an individual forensic provider in Napa, California, licensed in California (PSY34046) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1083304562
Entity TypeIndividualFemale
Primary Taxonomy103TF0200X
Provider Legal NameDANIELLE WILLIAMS
Location Address2100 NAPA VALLEJO HWYNapa, CA 94558
Mailing Address2100 Napa Vallejo HwyNapa, CA 94558
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMay 9, 2023
NPPES CertifiedMay 9, 2023
✔ NPI 1083304562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ForensicBehavioral Health & Social Service Providers
Taxonomy Code103TF0200X
License✔ Licensed in CA · PSY34046
Definition
A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
2100 NAPA VALLEJO HWY, Napa, CA 94558

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

Danielle 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.

PECOS PAC ID3678937216
PECOS Enrollment IDI20230914002076
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Danielle Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatric Hospital
2100 NAPA VALLEJO HWY
Napa, CA 94558
  • Reassigned Medicare billing, California enrollment
  • 755 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.

Substance Abuse Rehabilitation Facility
2100 NAPA VALLEJO HWY, M-1 M-2
NAPA, CA 94558
Psychologist (Clinical)
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Psychologist
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Psychologist
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Psychologist (Clinical)
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Internal Medicine
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Social Worker (Clinical)
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Psychologist
2100 NAPA VALLEJO HWY
NAPA, CA 94558

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 Danielle Williams's NPI number?

The NPI number for Danielle Williams is 1083304562. It was assigned to this individual provider in the NPPES registry on May 9, 2023.

Where is Danielle Williams located?

Danielle Williams practices at 2100 Napa Vallejo Hwy, Napa, CA 94558. The listed phone number is (707) 253-5000.

What is Danielle Williams's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Forensic, with taxonomy code 103TF0200X.

Is Danielle Williams enrolled in Medicare?

Yes. Danielle 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 Danielle Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Danielle Williams reassigns Medicare benefits to Department Of State Hospitals (Napa, 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 Danielle 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 Danielle Williams was last updated on May 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.