HANNAH VILLALOBOS STUTZ
NPI 1922466036
Social Worker - Clinical in San Francisco, CA

Q: What is Hannah Villalobos Stutz's NPI number?

The NPI number for Hannah Villalobos Stutz is 1922466036. It was assigned to this individual provider in the NPPES registry on February 3, 2016.

Q: What is Hannah Villalobos Stutz's specialty?

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

Q: Is Hannah Villalobos Stutz enrolled in Medicare?

No. Hannah Villalobos Stutz has opted out of Medicare through April 30, 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.

Active since February 03, 2016Opted out of Medicare · through Apr 30, 2028

548 MARKET ST, SAN FRANCISCO, CA 94104(415) 237-3421 Get Directions Write a Review

NPPES record last updated: January 13, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 13, 2022, Mar 22, 2021, Feb 3, 2016 (3 updates tracked since 2016).

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About Hannah Villalobos Stutz NPPES

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

HANNAH VILLALOBOS STUTZ (NPI 1922466036) is an individual clinical provider in San Francisco, California, licensed in California (LCSW99116) and active in the NPI registry since February 2016. She has opted out of Medicare through April 30, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1922466036

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameHANNAH VILLALOBOS STUTZ

Location Address548 MARKET STSan Francisco, CA 94104-5401

Mailing Address548 Market StSan Francisco, CA 94104-5401 · (415) 237-3421

Phone(415) 237-3421

Sole ProprietorNo

Enumeration DateFebruary 3, 2016

Last NPPES UpdateJanuary 13, 20223 updates tracked since enumeration

NPPES CertifiedJanuary 13, 2022

✔ NPI 1922466036 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 · LCSW99116

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.

548 MARKET ST, San Francisco, CA 94104

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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

Hannah Villalobos Stutz 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 April 30, 2026 through April 30, 2028.

Opt-Out Effective DateApril 30, 2026

Opt-Out In Effect ThroughApril 30, 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 94104 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 18

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

THRIZER, INC.

Clinic/Center (Mental Health (Including Community Mental Health Center))

548 MARKET ST, PMB 82051
SAN FRANCISCO, CA 94104

San Francisco County (202) 460-2946

STEPHANIE LAI THERAPY, A MARRIAGE & FAMILY THERAPY CORPORATION

Marriage & Family Therapist

548 MARKET ST, PMB 86394
SAN FRANCISCO, CA 94104

San Francisco County (415) 857-5372

BRYAN SINGHARAJ RDN

Dietitian, Registered