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MR. JIMMY JUN LCSW
NPI 1306896188
Social Worker - Clinical in Concord, CA

Active since May 11, 2006PECOS Enrolled
2425 BISSO LN, SUITE 100, CONCORD, CA 94520(925) 521-5629 Get Directions Write a Review

NPPES record last updated: April 24, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mr. Jimmy Jun Lcsw NPPES

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

MR. JIMMY JUN LCSW (NPI 1306896188) is an individual clinical provider in Concord, California, licensed in California (22624) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306896188
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. JIMMY JUNCredential: LCSW
Location Address2425 BISSO LN, SUITE 100Concord, CA 94520-4897
Mailing Address21 Cypress AveSan Anselmo, CA 94960-2309 · (650) 245-7246
Phone(925) 521-5629
Sole ProprietorNo
Enumeration DateMay 11, 2006
Last NPPES UpdateApril 24, 2013
✔ NPI 1306896188 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 · 22624
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.
2425 BISSO LN, Concord, CA 94520
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINQ54769CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Jimmy Jun Lcsw 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 Jimmy Jun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Contra Costa County
Same address
Mental Health (Including Community Mental Health Center)
2425 BISSO LANE, SUITE 100
Concord, CA 94520
  • Reassigned Medicare billing, California enrollment
  • 530 clinicians in this Medicare group
NPI 1205152782 (925) 521-5620

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94520 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 $69.00 – $202.35
Typical copayment $0.00 (range $17.25 – $50.58)
Most-billed visit code NA
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 20

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

MR. FRED EARL HARRIS CSW
Counselor (Mental Health)
2425 BISSO LN, SUITE 100
CONCORD, CA 94520
Contra Costa County (925) 521-5630
CASEY WETZEL
Registered Nurse
2425 BISSO LN, 100
CONCORD, CA 94520
Contra Costa County (925) 521-5620
DR. ROSS BENNETT ANDELMAN M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2425 BISSO LN, SITE 280
CONCORD, CA 94520
Contra Costa County (925) 646-5915
CHIDI A OHANELE
Registered Nurse
2425 BISSO LN, SUITE 100
CONCORD, CA 94520
Contra Costa County (925) 521-5655
DR. ELLEN DAYTON SHIRGUL PSY.D.
Psychologist (Clinical)
2425 BISSO LN, SUITE 100
CONCORD, CA 94520
Contra Costa County (925) 521-5650
HSARPAW HERNANDEZ
Counselor (Mental Health)
2425 BISSO LN, SUITE 120
CONCORD, CA 94520
Contra Costa County (925) 646-1444
ERIC PHILLIPS
Marriage & Family Therapist
2425 BISSO LN
CONCORD, CA 94520
Contra Costa County (510) 374-2672
DEBRA WILKINS
Registered Nurse (Psychiatric/Mental Health, Adult)
2425 BISSO LN
CONCORD, CA 94520
Contra Costa County (925) 521-5700

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 Jimmy Jun's NPI number?

The NPI number for Jimmy Jun is 1306896188. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is Jimmy Jun located?

Jimmy Jun practices at 2425 Bisso Ln Suite 100, Concord, CA 94520. The listed phone number is (925) 521-5629.

What is Jimmy Jun's specialty?

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

Is Jimmy Jun enrolled in Medicare?

Yes. Jimmy Jun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jimmy Jun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jimmy Jun reassigns Medicare benefits to Contra Costa County (Concord, 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 Jimmy Jun'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 Jimmy Jun was last updated on April 24, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.