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

MS. JULIE ANN DACOSTA-BASS L.C.S.W.
NPI 1548461981
Social Worker - Clinical in Castro Valley, CA

Q: What is Julie Dacosta-bass's NPI number?

The NPI number for Julie Dacosta-bass is 1548461981. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Q: What is Julie Dacosta-bass's specialty?

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

Active since May 31, 2007PECOS Enrolled

2045 FAIRMONT DR, CASTRO VALLEY, CA 94578(510) 667-7500(800) 311-0273 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Ms. Julie Ann Dacosta-bass L.c.s.w. NPPES

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

MS. JULIE ANN DACOSTA-BASS L.C.S.W. (NPI 1548461981) is an individual clinical provider in Castro Valley, California, licensed in California (LCS17287) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Ramon, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1548461981

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameMS. JULIE ANN DACOSTA-BASSCredential: L.C.S.W.

Location Address2045 FAIRMONT DRCastro Valley, CA 94578-1088

Mailing Address2045 Fairmont DrCastro Valley, CA 94578-1088 · (510) 667-7500 · Fax (800) 311-0273

Phone(510) 667-7500

Fax(800) 311-0273

Sole ProprietorYes

Medical School CMSOtherGraduated 1991

Enumeration DateMay 31, 2007

Last NPPES UpdateOctober 21, 2026

NPPES CertifiedOctober 21, 2026

✔ NPI 1548461981 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 · LCS17287

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.

2045 FAIRMONT DR, Castro Valley, CA 94578

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Secondary Practice Location 1

Location 12821 Crow Canyon Rd Ste 202San Ramon, CA 94583-1659 · Phone (925) 722-6225

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Julie Ann Dacosta-bass L.c.s.w. 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 ID7911195268

PECOS Enrollment IDI20101230000548

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 Julie Dacosta-bass reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Insight Wellness Center

8.8 mi

Clinical

2821 CROW CANYON RD STE 202
San Ramon, CA 94583

Reassigned Medicare billing, California enrollment
14 clinicians in this Medicare group

NPI 1861026916 (925) 722-6225

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 94578 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.

SADAYA ZIMMERLE L.C.S.W., MSW

Social Worker (Clinical)

2045 FAIRMONT DR, EDEN CSC
SAN LEANDRO, CA 94578

Alameda County (510) 667-3913

MISS JACQUELINE M SCHIANO

Rehabilitation Counselor