1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Social Worker
  6. NPI Profile

HOWARD S HAHN LCSW
NPI 1043724404
Social Worker - Clinical in San Francisco, CA

Active since November 21, 2017PECOS Enrolled
45 CASTRO ST STE 220, SAN FRANCISCO, CA 94114(415) 600-5556 Get Directions Write a Review

NPPES record last updated: November 21, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Howard S Hahn Lcsw NPPES

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

HOWARD S HAHN LCSW (NPI 1043724404) is an individual clinical provider in San Francisco, California and active in the NPI registry since November 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043724404
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameHOWARD S HAHNCredential: LCSW
Location Address45 CASTRO ST STE 220San Francisco, CA 94114-1027
Mailing Address45 Castro St Ste 220San Francisco, CA 94114-1027 · (415) 600-5556
Phone(415) 600-5556
Sole ProprietorNo
Enumeration DateNovember 21, 2017
✔ NPI 1043724404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
45 CASTRO ST STE 220, San Francisco, CA 94114
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Howard S Hahn Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94114 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 3

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

DR. SARA MASON PSYD
Psychologist (Clinical)
45 CASTRO ST STE 220
SAN FRANCISCO, CA 94114
San Francisco County (415) 600-5555
DR. ARMEN JIRAIR MOUGHAMIAN MD
Psychiatry & Neurology (Neurology)
45 CASTRO ST STE 220
SAN FRANCISCO, CA 94114
San Francisco County (415) 600-5555
REBECCA NGU MSW
Social Worker
45 CASTRO ST STE 220
SAN FRANCISCO, CA 94114
San Francisco County (415) 600-5555

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 Howard Hahn's NPI number?

The NPI number for Howard Hahn is 1043724404. It was assigned to this individual provider in the NPPES registry on November 21, 2017.

Where is Howard Hahn located?

Howard Hahn practices at 45 Castro St Ste 220, San Francisco, CA 94114. The listed phone number is (415) 600-5556.

What is Howard Hahn's specialty?

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

Is Howard Hahn enrolled in Medicare?

Yes. Howard Hahn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Howard Hahn was last updated on November 21, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.