MRS. ELLEN TRACY VARGAS LCSW
NPI 1649395385
Social Worker - Clinical in Berkeley, CA

Q: What is Ellen Vargas's NPI number?

The NPI number for Ellen Vargas is 1649395385. It was assigned to this individual provider in the NPPES registry on March 20, 2007. The provider is also known as Ms. Ellen Tracy Argilla Lmsw.

Q: What is Ellen Vargas's specialty?

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

Q: Is Ellen Vargas enrolled in Medicare?

No. Ellen Vargas has opted out of Medicare through March 1, 2028. 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.

Q: When was this NPI record last updated?

The NPPES record for Ellen Vargas was last updated on November 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since March 20, 2007Opted out of Medicare · through Mar 1, 2028

2421 4TH ST, BERKELEY, CA 94710(510) 859-3781 Get Directions Write a Review

NPPES record last updated: November 27, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 27, 2018, Aug 5, 2018 (2 updates tracked since 2018).

On this page

About Mrs. Ellen Tracy Vargas Lcsw NPPES

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

MRS. ELLEN TRACY VARGAS LCSW (NPI 1649395385) is an individual clinical provider in Berkeley, California, licensed in California (LCSW26233) and active in the NPI registry since March 2007. She has opted out of Medicare through March 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1649395385

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameMRS. ELLEN TRACY VARGASCredential: LCSW

Location Address2421 4TH STBerkeley, CA 94710-2430

Mailing Address2421 4th StBerkeley, CA 94710-2430 · (510) 859-3781

Phone(510) 859-3781

Sole ProprietorYes

Enumeration DateMarch 20, 2007

Last NPPES UpdateNovember 27, 20182 updates tracked since enumeration

✔ NPI 1649395385 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 · LCSW26233✔ Licensed in CA · 26233✔ Licensed in NY · 073326-1

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.

2421 4TH ST, Berkeley, CA 94710

Open in Google Maps ↗

Other Names 1

Former Name (1)Ms. Ellen Tracy Argilla Lmsw

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mrs. Ellen Tracy Vargas 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 March 1, 2026 through March 1, 2028.

Opt-Out Effective DateMarch 1, 2026

Opt-Out In Effect ThroughMarch 1, 2028Opt-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 94710 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 5

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

CATHERINE PFISTER L.C.S.W.

Social Worker (Clinical)