Dr Michael J Dorsi, MD - Medicare Neurosurgery in Thousand Oaks, CA

Dr Michael J Dorsi, MD is a medicare enrolled "Neurological Surgery" physician in Thousand Oaks, California. He went to Johns Hopkins University School Of Medicine and graduated in 2004 and has 20 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice The Regents Of The University Of California and his current practice location is 100 Moody Ct Ste 200, Thousand Oaks, California. You can reach out to his office (for appointments etc.) via phone at (310) 319-3475.

Dr Michael J Dorsi is licensed to practice in California (license number A116011) 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 1942355854.

Contact Information

Dr Michael J Dorsi, MD
100 Moody Ct Ste 200,
Thousand Oaks, CA 91360-6082
(310) 319-3475
Not Available

Map and Direction




Physician's Profile

Full NameDr Michael J Dorsi
GenderMale
SpecialityNeurosurgery
Experience20 Years
Location100 Moody Ct Ste 200, Thousand Oaks, 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:
  • Dr Michael J Dorsi attended and graduated from Johns Hopkins University School Of Medicine in 2004
  NPI Data:
  • NPI Number: 1942355854
  • Provider Enumeration Date: 01/24/2007
  • Last Update Date: 09/24/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 1850579657
  • Enrollment ID: I20110627000325

Medical Identifiers

Medical identifiers for Dr Michael J Dorsi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942355854NPI-NPPES
FB434ZMedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery P19058 (Maryland)Secondary
207T00000XNeurological Surgery A116011 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Health Simi ValleySimi valley, CAHospital
Los Robles Hospital & Medical CenterThousand oaks, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Regents Of The University Of California135524949144

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. Dr Michael J Dorsi allows following entities to bill medicare on his behalf.
Entity NameThe Regents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538125844
PECOS PAC ID: 1355249491
Enrollment ID: O20031226000291
Entity NameThousand Oaks Surgery Center, Llc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1023159860
PECOS PAC ID: 4183778939
Enrollment ID: O20090813000647

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. Dr Michael J Dorsi 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
Dr Michael J Dorsi, MD
5767 W Century Blvd Ste 400,
Los Angeles, CA 90045-5631

Ph: () -
Dr Michael J Dorsi, MD
100 Moody Ct Ste 200,
Thousand Oaks, CA 91360-6082

Ph: (310) 319-3475

Reviews and Comments


Neurological Surgery Doctors in Thousand Oaks, CA

Leslie D. Cahan, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 2200 Lynn Rd, Thousand Oaks, CA 91360
Phone: 805-494-0880    
Martin Mazyar Mortazavi Shemirani, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2100 Lynn Rd Ste 120, Thousand Oaks, CA 91360
Phone: 805-795-7656    Fax: 805-618-1501
Robert Coffey, M.D.
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 353 Dryden St, Thousand Oaks, CA 91360
Phone: 805-370-5504    
Ha Son Nguyen, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 227 W Janss Rd, Ste 125, Thousand Oaks, CA 91360
Phone: 805-372-1679    
Kapil Moza, M.D.
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 313 S Moorpark Rd, Thousand Oaks, CA 91361
Phone: 805-497-3636    Fax: 805-497-3637
Ronald F Young, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 2200 Lynn Rd, Thousand Oaks, CA 91360
Phone: 213-481-0592    Fax: 213-481-0108
Arnau Benet, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 2190 Lynn Rd Ste 350, Thousand Oaks, CA 91360
Phone: 805-702-8561    

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.

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