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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. LIA CHRISTINE JOHANSEN LCSW
NPI 1003241894
Social Worker - Clinical in Concord, CA

Active since September 11, 2013Opted out of Medicare · through Aug 8, 2027
2827 CONCORD BLVD, CONCORD, CA 94519(925) 320-3775 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 17, 2026, Aug 14, 2026, Nov 19, 2015 (3 updates tracked since 2015).

About Ms. Lia Christine Johansen Lcsw NPPES

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

MS. LIA CHRISTINE JOHANSEN LCSW (NPI 1003241894) is an individual clinical provider in Concord, California, licensed in California (112048) and active in the NPI registry since September 2013. She has opted out of Medicare through August 8, 2027.

NPPES Registry Identity

NPI1003241894
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. LIA CHRISTINE JOHANSENCredential: LCSW
Location Address2827 CONCORD BLVDConcord, CA 94519-2608
Mailing Address2827 Concord BlvdConcord, CA 94519-2608 · (925) 320-3775
Phone(925) 320-3775
Sole ProprietorYes
Enumeration DateSeptember 11, 2013
Last NPPES UpdateAugust 17, 20263 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1003241894 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 · 112048
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.
2827 CONCORD BLVD, Concord, CA 94519
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ms. Lia Christine Johansen 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 August 8, 2025 through August 8, 2027.

Opt-Out Effective DateAugust 8, 2025
Opt-Out In Effect ThroughAugust 8, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 12

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

DR. CYNTHIA LYNN-NOSS MATARASO PSYCHOLOGIST
Psychologist (Clinical)
2827 CONCORD BLVD
CONCORD, CA 94519
Contra Costa County (925) 685-9670
DR. JUHAYNA AJAMI PSYD
Psychologist
2827 CONCORD BLVD
CONCORD, CA 94519
Contra Costa County (202) 615-5925
MR. CHARLES KEENE BULTMAN JR. MS
Marriage & Family Therapist
2827 CONCORD BLVD
CONCORD, CA 94519
Contra Costa County (925) 695-0405
MRS. STEPHANIE YOUNG PHD
Psychologist (Clinical)
2827 CONCORD BLVD
CONCORD, CA 94519
Contra Costa County (925) 685-9670
MRS. MARIE SCANNELL
Marriage & Family Therapist
2827 CONCORD BLVD
CONCORD, CA 94519
Contra Costa County (925) 685-9670
ALEXANDRA ISPAS PSYD
Psychologist
2827 CONCORD BLVD
CONCORD, CA 94519
Contra Costa County (925) 685-9670
MR. ARTHUR J PAULL LCSW
Social Worker (Clinical)
2827 CONCORD BLVD
CONCORD, CA 94519
Contra Costa County (925) 451-9066
DR. ANNA MARIE WEISBERG PH.D.
Psychologist (Clinical Child & Adolescent)
2827 CONCORD BLVD
CONCORD, CA 94519
Contra Costa County (925) 685-9670

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 Lia Johansen's NPI number?

The NPI number for Lia Johansen is 1003241894. It was assigned to this individual provider in the NPPES registry on September 11, 2013.

Where is Lia Johansen located?

Lia Johansen practices at 2827 Concord Blvd, Concord, CA 94519. The listed phone number is (925) 320-3775.

What is Lia Johansen's specialty?

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

Is Lia Johansen enrolled in Medicare?

No. Lia Johansen has opted out of Medicare through August 8, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Lia Johansen was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.