MISS GEMMA LARA DE BLAS WILLIAMS LCSW
NPI 1124218409
Social Worker - Clinical in Fountain Valley, CA

Active since August 01, 2007Opted out of Medicare · through Apr 1, 2027
17350 MOUNT HERRMANN ST, SUITE A, FOUNTAIN VALLEY, CA 92708(714) 444-3463(714) 444-1768 Get Directions Write a Review

NPPES record last updated: August 2, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Miss Gemma Lara De Blas Williams Lcsw NPPES

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

MISS GEMMA LARA DE BLAS WILLIAMS LCSW (NPI 1124218409) is an individual clinical provider in Fountain Valley, California, licensed in California (LCSW 26161) and active in the NPI registry since August 2007. She has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1124218409
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMISS GEMMA LARA DE BLAS WILLIAMSCredential: LCSW
Location Address17350 MOUNT HERRMANN ST, SUITE AFountain Valley, CA 92708-4114
Mailing Address17350 Mount Herrmann St, Suite AFountain Valley, CA 92708-4114 · (714) 444-3463 · Fax (714) 444-1768
Fax(714) 444-1768
Sole ProprietorYes
Enumeration DateAugust 1, 2007
Last NPPES UpdateAugust 2, 2011
NPI 1124218409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses Licensed in CA · LCSW 26161 Licensed in CA · ASW 22065 Licensed in UT · CSW 6608769-3502
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
17350 MOUNT HERRMANN ST, Fountain Valley, CA 92708

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Miss Gemma Lara De Blas Williams Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2017 through April 1, 2027.

Opt-Out Effective DateApril 1, 2017
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $62.96 – $187.60
Typical copayment $0.00 (range $15.74 – $46.90)
Most-billed visit code NA
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Mental Health (Including Community Mental Health Center))
17350 MOUNT HERRMANN ST, SUITE A
FOUNTAIN VALLEY, CA 92708
Social Worker (Clinical)
17350 MOUNT HERRMANN ST
FOUNTAIN VALLEY, CA 92708
Social Worker (Clinical)
17350 MOUNT HERRMANN ST, SUITE A
FOUNTAIN VALLEY, CA 92708
Counselor (Mental Health)
17350 MOUNT HERRMANN ST, #A
FOUNTAIN VALLEY, CA 92708
Social Worker (Clinical)
17350 MOUNT HERRMANN ST
FOUNTAIN VALLEY, CA 92708
Social Worker (Clinical)
17350 MOUNT HERRMANN ST, SUITE A
FOUNTAIN VALLEY, CA 92708
Marriage & Family Therapist
17350 MOUNT HERRMANN ST, SUITE A
FOUNTAIN VALLEY, CA 92708
Student in an Organized Health Care Education/Training Program
17350 MOUNT HERRMANN ST, SUITE A
FOUNTAIN VALLEY, CA 92708

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 Gemma Williams's NPI number?

The NPI number for Gemma Williams is 1124218409. It was assigned to this individual provider in the NPPES registry on August 1, 2007.

Where is Gemma Williams located?

Gemma Williams practices at 17350 Mount Herrmann St Suite A, Fountain Valley, CA 92708. The listed phone number is (714) 444-3463.

What is Gemma Williams's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Gemma Williams enrolled in Medicare?

No. Gemma Williams has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Gemma Williams was last updated on August 2, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.