Dr Marco Antonio Diaz, MD - Medicare Emergency Medicine in San Pedro, CA

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Dr Marco Antonio Diaz, MD is a medicare enrolled "Emergency Medicine" physician in San Pedro, California. His current practice location is 1300 W 7th St, San Pedro, California. You can reach out to his office (for appointments etc.) via phone at (310) 514-5350.

Dr Marco Antonio Diaz is licensed to practice in California (license number A67180) 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 1710919345.

Contact Information

Dr Marco Antonio Diaz, MD
1300 W 7th St,
San Pedro, CA 90732-3505
(310) 514-5350
(310) 514-5421

Map and Direction




Physician's Profile

Full NameDr Marco Antonio Diaz
GenderMale
SpecialityEmergency Medicine
Location1300 W 7th St, San Pedro, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1710919345
  • Provider Enumeration Date: 07/06/2006
  • Last Update Date: 06/25/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 9638144777
  • Enrollment ID: I20040831001536

Medical Identifiers

Medical identifiers for Dr Marco Antonio Diaz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710919345NPI-NPPES
00A671800MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A67180 (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 Marco Antonio Diaz allows following entities to bill medicare on his behalf.
Entity NameIntercommunity Emergency Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871535286
PECOS PAC ID: 7911892534
Enrollment ID: O20040708000780

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 Marco Antonio Diaz 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 Marco Antonio Diaz, MD
Po Box 661360,
Arcadia, CA 91066-1360

Ph: (626) 447-0296		Dr Marco Antonio Diaz, MD
1300 W 7th St,
San Pedro, CA 90732-3505

Ph: (310) 514-5350

Reviews and Comments


Emergency Medicine Doctors in San Pedro, CA

Brian D. Fong, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 W 7th St, San Pedro, CA 90732
Phone: 310-514-5350    Fax: 310-514-5421
Dr. Arlene Marie Vernon, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 W 7th St, San Pedro, CA 90732
Phone: 310-514-5350    Fax: 310-514-5421
Dr. Jeffrey Paul Dayton, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 W 7th St, San Pedro, CA 90732
Phone: 310-514-5350    Fax: 310-514-5421
Dr. Usha Rani K. Reddy, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 W 7th St, San Pedro, CA 90732
Phone: 310-514-5350    Fax: 310-514-5421
Dr. Mark H. Joyner, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 W 7th St, Emergency Department, San Pedro, CA 90732
Phone: 310-514-5350    Fax: 310-514-5421
Ronnie Lee Melendez,
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1300 W 7th St, San Pedro, CA 90732
Phone: 310-514-5350    Fax: 310-514-5421
Karla Sonnier, NP
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1300 W 7th St, San Pedro, CA 90732
Phone: 310-832-3311    

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.