Gustavo Marks, MD - Medicare Family Practice in Canoga Park, CA

Gustavo Marks, MD is a medicare enrolled "Family Medicine" physician in Canoga Park, California. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as Family Practice. His current practice location is 22030 Sherman Way Ste 318, Canoga Park, California. You can reach out to his office (for appointments etc.) via phone at (818) 999-5900.

Gustavo Marks is licensed to practice in California (license number A54483) 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 1740373315.

Contact Information

Gustavo Marks, MD
22030 Sherman Way Ste 318,
Canoga Park, CA 91303-1886
(818) 999-5900
(818) 999-5901

Map and Direction




Physician's Profile

Full NameGustavo Marks
GenderMale
SpecialityFamily Practice
Experience38 Years
Location22030 Sherman Way Ste 318, Canoga Park, 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:
  • Gustavo Marks graduated from medical school in 1986
  NPI Data:
  • NPI Number: 1740373315
  • Provider Enumeration Date: 10/02/2006
  • Last Update Date: 12/21/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 2062408305
  • Enrollment ID: I20040422000811

Medical Identifiers

Medical identifiers for Gustavo Marks such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740373315NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A54483 (California)Primary

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. Gustavo Marks allows following entities to bill medicare on his behalf.
Entity NameGustavo Marks Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164770228
PECOS PAC ID: 8921250911
Enrollment ID: O20121221000295

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. Gustavo Marks 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
Gustavo Marks, MD
Po Box 27206,
Los Angeles, CA 90027-0206

Ph: (213) 385-0675
Gustavo Marks, MD
22030 Sherman Way Ste 318,
Canoga Park, CA 91303-1886

Ph: (818) 999-5900

Reviews and Comments


Family Medicine Doctors in Canoga Park, CA

Dr. Tuan Huu Nguyen, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 22030 Sherman Way, Suite 211, Canoga Park, CA 91303
Phone: 818-884-7424    Fax: 818-884-6620
Hoang Nguyen, M.D
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 22135 Roscoe Blvd, Suite 107, Canoga Park, CA 91304
Phone: 818-481-0118    Fax: 818-584-8926
Dr. Adelaida B Antonio, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 21001 Sherman Way, Suite 15, Canoga Park, CA 91303
Phone: 818-716-0048    Fax: 818-785-3330
Dr. Fernando Aguirre, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 7107 Remmet Ave, Canoga Park, CA 91303
Phone: 818-702-9578    Fax: 818-710-3980
Amineh El-ghali,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8111 Canoga Ave, Canoga Park, CA 91304
Phone: 818-347-8277    
Dr. Nabil Salloum Feghali, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8111 Canoga Ave, Canoga Park, CA 91304
Phone: 818-704-7200    Fax: 818-704-3964

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.