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MR. GRANT DAVID CLARKE LCSW
NPI 1689812265
Social Worker - Clinical in Fullerton, CA

Active since February 04, 2009PECOS EnrolledAccepts Medicare Assignment
140 E COMMONWEALTH AVE STE 101, FULLERTON, CA 92832(714) 773-4111(714) 773-4222 Get Directions Write a Review

NPPES record last updated: July 28, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Grant David Clarke Lcsw NPPES

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

MR. GRANT DAVID CLARKE LCSW (NPI 1689812265) is an individual clinical provider in Fullerton, California, licensed in California (LCS24617) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1689812265
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. GRANT DAVID CLARKECredential: LCSW
Location Address140 E COMMONWEALTH AVE STE 101Fullerton, CA 92832-1905
Mailing Address1925 Daly St, 2nd FloorLos Angeles, CA 90031-3309 · (323) 226-4448 · Fax (323) 223-8380
Phone(714) 773-4111
Fax(714) 773-4222
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateFebruary 4, 2009
Last NPPES UpdateJuly 28, 2020
NPPES CertifiedJuly 28, 2020
✔ NPI 1689812265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCS24617
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.
140 E COMMONWEALTH AVE STE 101, Fullerton, CA 92832
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Grant David Clarke Lcsw 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 ID2062756893
PECOS Enrollment IDI20181205003325
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92832 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 3

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

DR. PAROOL B PATEL MD
Psychiatry & Neurology (Psychiatry)
140 E COMMONWEALTH AVE STE 101
FULLERTON, CA 92832
Orange County (714) 773-4111
SHABNAM SHAHRIYARI
Physician Assistant
140 E COMMONWEALTH AVE STE 101
FULLERTON, CA 92832
Orange County (714) 773-4111
MRS. MEGAN JIMENEZ LMFT
Marriage & Family Therapist
140 E COMMONWEALTH AVE STE 101
FULLERTON, CA 92832
Orange County (714) 773-4111

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 Grant Clarke's NPI number?

The NPI number for Grant Clarke is 1689812265. It was assigned to this individual provider in the NPPES registry on February 4, 2009.

Where is Grant Clarke located?

Grant Clarke practices at 140 E Commonwealth Ave Ste 101, Fullerton, CA 92832. The listed phone number is (714) 773-4111.

What is Grant Clarke's specialty?

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

Is Grant Clarke enrolled in Medicare?

Yes. Grant Clarke 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.

When was this NPI record last updated?

The NPPES record for Grant Clarke was last updated on July 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.