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

MR. MARK A. HIRSHFELD LCSW
NPI 1225120223
Social Worker - Clinical in Ventura, CA

Active since September 28, 2006PECOS Enrolled
3585 MAPLE ST, SUITE 265, VENTURA, CA 93003(805) 658-9900(805) 658-9900 Get Directions Write a Review

NPPES record last updated: June 30, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. Mark A. Hirshfeld Lcsw NPPES

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

MR. MARK A. HIRSHFELD LCSW (NPI 1225120223) is an individual clinical provider in Ventura, California, licensed in California (LCS14788) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225120223
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MARK A. HIRSHFELDCredential: LCSW
Location Address3585 MAPLE ST, SUITE 265Ventura, CA 93003-3504
Mailing AddressPo Box 824Agoura Hills, CA 91376-0824 · (805) 216-2918
Phone(805) 658-9900
Fax(805) 658-9900
Sole ProprietorYes
Enumeration DateSeptember 28, 2006
Last NPPES UpdateJune 30, 2023
NPPES CertifiedJune 30, 2023
✔ NPI 1225120223 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 · LCS14788
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.
3585 MAPLE ST, Ventura, CA 93003
Open in Google Maps ↗

Other Identifiers 1

Other353373CA · Managed Health Network, I

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Mark A. Hirshfeld 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 93003 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 $62.32 – $185.36
Typical copayment $0.00 (range $15.58 – $46.34)
Most-billed visit code NA
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
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 9

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

MS. LAURA MARIA HUGHES MFT
Marriage & Family Therapist
3585 MAPLE ST, 265
VENTURA, CA 93003
Ventura County (805) 642-3661
MRS. IRENE DE LA CRUZ MASON P.A.-C
Nurse Practitioner (Psychiatric/Mental Health)
3585 MAPLE ST, STE 258
VENTURA, CA 93003
Ventura County (805) 644-0656
BSTMD, INCORPORATED
Psychiatry & Neurology (Neurology)
3585 MAPLE ST, SUITE # 205
VENTURA, CA 93003
Ventura County (805) 654-0926
DR. CHRISTINA R. GRIFFIN PH.D.
Psychologist (Clinical)
3585 MAPLE ST, SUITE 235
VENTURA, CA 93003
Ventura County (805) 650-0655
JOYCE WECKL PMHNP A NURSING CORPORATION
Nurse Practitioner (Psychiatric/Mental Health)
3585 MAPLE ST, SUITE # 205
VENTURA, CA 93003
Ventura County (805) 654-0926
DR. HEIDI Y KWAN PH.D.
Psychologist (Clinical Child & Adolescent)
3585 MAPLE ST, STE 255
VENTURA, CA 93003
Ventura County (805) 650-0657
MR. JEFFREY SCOTT CAMPBELL M.A., L.M.F.T
Marriage & Family Therapist
3585 MAPLE ST
VENTURA, CA 93003
Ventura County (805) 844-2991
LAURA LYNN SHORE MSW LCSW
Social Worker (Clinical)
3585 MAPLE ST, STE 255
VENTURA, CA 93003
Ventura County (805) 642-6121

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 Mark Hirshfeld's NPI number?

The NPI number for Mark Hirshfeld is 1225120223. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Mark Hirshfeld located?

Mark Hirshfeld practices at 3585 Maple St Suite 265, Ventura, CA 93003. The listed phone number is (805) 658-9900.

What is Mark Hirshfeld's specialty?

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

Is Mark Hirshfeld enrolled in Medicare?

Yes. Mark Hirshfeld is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Hirshfeld was last updated on June 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.