LEILA MIRIAM ZWELLING MSW
NPI 1669525747
Social Worker - Clinical in San Francisco, CA

Q: What is Leila Zwelling's NPI number?

The NPI number for Leila Zwelling is 1669525747. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Q: What is Leila Zwelling's specialty?

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

Q: Is Leila Zwelling enrolled in Medicare?

No. Leila Zwelling has opted out of Medicare through December 10, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Leila Zwelling was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 January 19, 2007Opted out of Medicare · through Dec 10, 2027

401 3RD ST, SAN FRANCISCO, CA 94107(415) 551-7372(415) 861-2008 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Leila Miriam Zwelling Msw NPPES

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

LEILA MIRIAM ZWELLING MSW (NPI 1669525747) is an individual clinical provider in San Francisco, California, licensed in California (ASW 17209) and active in the NPI registry since January 2007. She has opted out of Medicare through December 10, 2027.

NPPES Registry Identity

NPI1669525747

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameLEILA MIRIAM ZWELLINGCredential: MSW

Location Address401 3RD STSan Francisco, CA 94107-1214

Mailing Address401 3rd StSan Francisco, CA 94107-1214 · (415) 551-7372 · Fax (415) 861-2008

Phone(415) 551-7372

Fax(415) 861-2008

Sole ProprietorNo

Enumeration DateJanuary 19, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1669525747 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 · ASW 17209

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.

401 3RD ST, San Francisco, CA 94107

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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

Leila Miriam Zwelling Msw 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 December 10, 2023 through December 10, 2027.

Opt-Out Effective DateDecember 10, 2023

Opt-Out In Effect ThroughDecember 10, 2027Opt-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 94107 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.

HEATHER A GRAVIET LCSW

Social Worker (Clinical)