Mr Mark Steven Perry, LCSW - Medicare Counselor in Ventura, CA

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Mr Mark Steven Perry, LCSW is a medicare enrolled "Social Worker - Clinical" provider in Ventura, California. He graduated from healthcare school in 2020 and has 6 years of diverse experience with area of expertise as Clinical Social Worker. He is a member of the group practice Dos Arboles Psychological Services and his current practice location is 5850 Thille St Ste 205, Ventura, California. You can reach out to his office (for appointments etc.) via phone at (805) 477-5700.

Mr Mark Steven Perry is licensed to practice in California (license number 126085) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1477115970.

Contact Information

Mr Mark Steven Perry, LCSW
5850 Thille St Ste 205,
Ventura, CA 93003-9004
(805) 477-5700
Not Available

Map and Direction


Healthcare Provider's Profile

Full NameMr Mark Steven Perry
GenderMale
SpecialityClinical Social Worker
Experience6 Years
Location5850 Thille St Ste 205, Ventura, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mr Mark Steven Perry graduated from medical school in 2020
  NPI Data:
  • NPI Number: 1477115970
  • Provider Enumeration Date: 07/03/2019
  • Last Update Date: 04/14/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 5597232603
  • Enrollment ID: I20260427001436

Medical Identifiers

Medical identifiers for Mr Mark Steven Perry such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477115970NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
101YM0800XCounselor - Mental Health (NU)Secondary
104100000XSocial Worker (NU)Secondary
1041C0700XSocial Worker - Clinical 126085 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Dos Arboles Psychological Services22649508232

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mr Mark Steven Perry allows following entities to bill medicare on his behalf.
Entity NameCounty of Ventura
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629167457
PECOS PAC ID: 7911810171
Enrollment ID: O20031112000587
Entity NameDos Arboles Psychological Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538994728
PECOS PAC ID: 2264950823
Enrollment ID: O20250516002647

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 Steven Perry 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 Steven Perry, LCSW
5850 Thille St,
Ventura, CA 93003-5413

Ph: (805) 662-1857		Mr Mark Steven Perry, LCSW
5850 Thille St Ste 205,
Ventura, CA 93003-9004

Ph: (805) 477-5700

Reviews and Comments



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.