Mr Mark A Hirshfeld, LCSW - Medicare Clinical Social Worker in Ventura, CA

Mr Mark A Hirshfeld, LCSW is a medicare enrolled "Social Worker - Clinical" provider in Ventura, California. His current practice location is 3585 Maple St, Suite 265, Ventura, California. You can reach out to his office (for appointments etc.) via phone at (805) 658-9900.

Mr Mark A Hirshfeld is licensed to practice in California (license number LCS14788) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1225120223.

Contact Information

Mr Mark A Hirshfeld, LCSW
3585 Maple St, Suite 265,
Ventura, CA 93003-3504
(805) 658-9900
(805) 658-9900

Map and Direction




Healthcare Provider's Profile

Full NameMr Mark A Hirshfeld
GenderMale
SpecialitySocial Worker - Clinical
Location3585 Maple St, Ventura, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225120223
  • Provider Enumeration Date: 09/28/2006
  • Last Update Date: 06/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0143371617
  • Enrollment ID: I20090623000304

Medical Identifiers

Medical identifiers for Mr Mark A Hirshfeld such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225120223NPI-NPPES
353373OtherCAMANAGED HEALTH NETWORK, I

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical LCS14788 (California)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mr Mark A Hirshfeld is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mr Mark A Hirshfeld, LCSW
Po Box 824,
Agoura Hills, CA 91376-0824

Ph: (805) 216-2918
Mr Mark A Hirshfeld, LCSW
3585 Maple St, Suite 265,
Ventura, CA 93003-3504

Ph: (805) 658-9900

Reviews and Comments


Social Worker in Ventura, CA

Ms. Patricia Lynn Mallery, L.C.S.W.
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 2674 E Main St Ste E442, Ventura, CA 93003
Phone: 805-826-3275    
Varsenik Valerie Agopian,
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 1838 Eastman Ave, Suite 100, Ventura, CA 93003
Phone: 805-289-0120    
Denise Anne Hubbard, MSW, ACSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 1065 E Main St, Ventura, CA 93001
Phone: 805-652-0599    Fax: 805-652-1490
Mr. James Samuel Boldt, M.S.W.
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 344 Lupine Way, Ventura, CA 93001
Phone: 805-643-4357    
Chandra Newmark Weising, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 4050 Market St, Ventura, CA 93003
Phone: 805-654-1422    
Julio Mayo,
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 5740 Ralston St, Ste 201, Ventura, CA 93003
Phone: 805-289-1711    Fax: 805-289-1676
Maryellen Benedetto, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 260 Maple Ct Ste 101, Ventura, CA 93003
Phone: 805-644-1831    Fax: 805-644-5114

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.