Dr Marshall Joseph Frieden, MD - Medicare Family Medicine in San Diego, CA

Dr Marshall Joseph Frieden, MD is a medicare enrolled "Family Medicine" physician in San Diego, California. His current practice location is 200 W Arbor Dr, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (800) 926-8273.

Dr Marshall Joseph Frieden is licensed to practice in California (license number A190060) 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 1922636349.

Contact Information

Dr Marshall Joseph Frieden, MD
200 W Arbor Dr,
San Diego, CA 92103-9000
(800) 926-8273
(888) 539-8781

Map and Direction




Physician's Profile

Full NameDr Marshall Joseph Frieden
GenderMale
SpecialityFamily Medicine
Location200 W Arbor Dr, San Diego, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1922636349
  • Provider Enumeration Date: 03/31/2020
  • Last Update Date: 09/25/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0042665234
  • Enrollment ID: I20231007000832

Medical Identifiers

Medical identifiers for Dr Marshall Joseph Frieden such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1922636349NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A190060 (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. Dr Marshall Joseph Frieden allows following entities to bill medicare on his behalf.
Entity NameSharp Rees-stealy Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285616177
PECOS PAC ID: 8628972759
Enrollment ID: O20031120000996
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578672184
PECOS PAC ID: 3577476761
Enrollment ID: O20031211000464

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 Marshall Joseph Frieden 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 Marshall Joseph Frieden, MD
Po Box 232410,
San Diego, CA 92193-2410

Ph: () -
Dr Marshall Joseph Frieden, MD
200 W Arbor Dr,
San Diego, CA 92103-9000

Ph: (800) 926-8273

Reviews and Comments


Family Medicine Doctors in San Diego, CA

Dr. Kyle P. Edmonds, M.D., FAAHPM
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Medicare: Accepting Medicare Assignments
Practice Location: 200 W Arbor Dr # 8216, San Diego, CA 92103
Phone: 858-534-6091    Fax: 619-543-3947
Jessica C. Cook, D.O.
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Practice Location: 4291 Robbins St, San Diego, CA 92122
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Robina Ahmad, MD
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Dr. Anna M Mercer, DO
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Practice Location: 200 W Arbor Dr, San Diego, CA 92103
Phone: 800-926-8273    
Bashir A. Rawi, MD
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Practice Location: 4647 Zion Ave, San Diego, CA 92120
Phone: 619-528-5000    
Martin P. Murillo, MD
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Phone: 619-528-5000    
Erwin Guzman, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 4647 Zion Ave, San Diego, CA 92120
Phone: 619-528-5000    

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.