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LEAH CINDY HELLERSTEIN LCSW, MPH
NPI 1629379706
Social Worker - Clinical in San Francisco, CA

Active since November 05, 2010PECOS EnrolledAccepts Medicare Assignment
3234 25TH ST, SAN FRANCISCO, CA 94110(510) 504-0687 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Sep 11, 2017 (3 updates tracked since 2017).

About Leah Cindy Hellerstein Lcsw, Mph NPPES

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

LEAH CINDY HELLERSTEIN LCSW, MPH (NPI 1629379706) is an individual clinical provider in San Francisco, California, licensed in California (69921) and active in the NPI registry since November 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1629379706
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLEAH CINDY HELLERSTEINCredential: LCSW, MPH
Location Address3234 25TH STSan Francisco, CA 94110-4019
Mailing Address3234 25th StSan Francisco, CA 94110-4019 · (510) 504-0687
Phone(510) 504-0687
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateNovember 5, 2010
Last NPPES UpdateOctober 20, 20253 updates tracked since enumeration
NPPES CertifiedOctober 20, 2025
✔ NPI 1629379706 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 · 69921
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.
3234 25TH ST, San Francisco, CA 94110
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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

Leah Cindy Hellerstein Lcsw, Mph 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 ID8527501634
PECOS Enrollment IDI20240618000790
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 Reassignments

2

Medicare enrollment records show Leah Hellerstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sud Specialty Group - Ca
34 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088
Grow Healthcare Group PC
41 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385

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 94110 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.

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 Leah Hellerstein's NPI number?

The NPI number for Leah Hellerstein is 1629379706. It was assigned to this individual provider in the NPPES registry on November 5, 2010.

Where is Leah Hellerstein located?

Leah Hellerstein practices at 3234 25th St, San Francisco, CA 94110. The listed phone number is (510) 504-0687.

What is Leah Hellerstein's specialty?

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

Is Leah Hellerstein enrolled in Medicare?

Yes. Leah Hellerstein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Leah Hellerstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leah Hellerstein reassigns Medicare benefits to 2 organizations: Sud Specialty Group - Ca (Santa Clara, CA) and Grow Healthcare Group PC (San Jose, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leah Hellerstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Leah Hellerstein was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.