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ALISON WILLIAMS
NPI 1700384096
Counselor - Addiction (Substance Use Disorder) in Hesperia, CA

Active since February 01, 2018PECOS Enrolled
11776 MARIPOSA RD # 103, HESPERIA, CA 92345(760) 956-2462(760) 956-7542 Get Directions Write a Review

NPPES record last updated: May 17, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 17, 2024, Mar 17, 2018 (2 updates tracked since 2018).

About Alison Williams NPPES

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

ALISON WILLIAMS (NPI 1700384096) is an individual addiction (substance use disorder) provider in Hesperia, California and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Hesperia.

NPPES Registry Identity

NPI1700384096
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameALISON WILLIAMS
Location Address11776 MARIPOSA RD # 103Hesperia, CA 92345-1622
Mailing Address11776 Mariposa Rd # 103Hesperia, CA 92345-1622
Phone(760) 956-2462
Fax(760) 956-7542
Sole ProprietorNo
Enumeration DateFebruary 1, 2018
Last NPPES UpdateMay 17, 20242 updates tracked since enumeration
NPPES CertifiedMay 17, 2024
✔ NPI 1700384096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License 144926 (CA)
11776 MARIPOSA RD # 103, Hesperia, CA 92345
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Other Names 1

Other Name (5)Alison Fredricks

Secondary Practice Location 1

Location 111776 Mariposa Rd # 103Hesperia, CA 92345-1622 · Phone (760) 956-2462 · Fax (760) 956-7542

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alison Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Alison Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Spring To Autumn Family Counseling, Inc.
28 mi
Marriage & Family Therapist
2068 ORANGE TREE LN STE 216
Redlands, CA 92374
  • Reassigned Medicare billing, California enrollment
  • 43 clinicians in this Medicare group
NPI 1689056442 (909) 557-6574

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.

NANTIYA DANGIDANG LVN
Licensed Vocational Nurse
11776 MARIPOSA RD # 103
HESPERIA, CA 92345
San Bernardino County (760) 956-2462
ASHLEY ANN MINER
Counselor (Addiction (Substance Use Disorder))
11776 MARIPOSA RD # 103
HESPERIA, CA 92345
San Bernardino County (760) 956-2462
JALEEN SEIP
Licensed Vocational Nurse
11776 MARIPOSA RD # 103
HESPERIA, CA 92345
San Bernardino County (760) 956-2462
JESSICA ROSE MCCLINTON
Licensed Vocational Nurse
11776 MARIPOSA RD # 103
HESPERIA, CA 92345
San Bernardino County (760) 956-2462
AJIA MCCOY
Counselor (Addiction (Substance Use Disorder))
11776 MARIPOSA RD # 103
HESPERIA, CA 92345
San Bernardino County (760) 956-2462
ANIBAL GONZALEZ
Counselor (Addiction (Substance Use Disorder))
11776 MARIPOSA RD # 103
HESPERIA, CA 92345
San Bernardino County (760) 956-2462
MR. TARENCE R MANN
Counselor (Addiction (Substance Use Disorder))
11776 MARIPOSA RD # 103
HESPERIA, CA 92345
San Bernardino County (760) 956-2462
MS. STEVIE ALICIA ST ONGE
Counselor (Addiction (Substance Use Disorder))
11776 MARIPOSA RD # 103
HESPERIA, CA 92345
San Bernardino County (760) 956-2462

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 Alison Williams's NPI number?

The NPI number for Alison Williams is 1700384096. It was assigned to this individual provider in the NPPES registry on February 1, 2018. The provider is also known as Alison Fredricks.

Where is Alison Williams located?

Alison Williams practices at 11776 Mariposa Rd # 103, Hesperia, CA 92345. The listed phone number is (760) 956-2462.

What is Alison Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Alison Williams enrolled in Medicare?

Yes. Alison Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alison Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alison Williams reassigns Medicare benefits to Spring To Autumn Family Counseling, Inc. (Redlands, 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 Alison 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 Alison Williams was last updated on May 17, 2024. 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.