Alfred C Marrone, MD - Medicare Ophthalmology in Torrance, CA

Alfred C Marrone, MD is a medicare enrolled "Ophthalmology" physician in Torrance, California. He went to State University Of New York Downstate Medical Center and graduated in 1971 and has 53 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice East-west Eye Institute A Medical Corporation and his current practice location is 23441 Madison St Ste 120, Torrance, California. You can reach out to his office (for appointments etc.) via phone at (310) 530-0300.

Alfred C Marrone is licensed to practice in California (license number G24447) 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 1841388907.

Contact Information

Alfred C Marrone, MD
23441 Madison St Ste 120,
Torrance, CA 90505-4734
(310) 530-0300
(310) 530-2367

Map and Direction




Physician's Profile

Full NameAlfred C Marrone
GenderMale
SpecialityOphthalmology
Experience53 Years
Location23441 Madison St Ste 120, Torrance, 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:
  • Alfred C Marrone attended and graduated from State University Of New York Downstate Medical Center in 1971
  NPI Data:
  • NPI Number: 1841388907
  • Provider Enumeration Date: 10/11/2006
  • Last Update Date: 10/17/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8224205950
  • Enrollment ID: I20120120000840

Medical Identifiers

Medical identifiers for Alfred C Marrone such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841388907NPI-NPPES
DY3050OtherCARAILROAD MEDICARE GROUP PTAN
756181273OtherCARR MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology G24447 (California)Primary
208200000XPlastic Surgery G24447 (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
East-west Eye Institute A Medical Corporation004229737616

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. Alfred C Marrone allows following entities to bill medicare on his behalf.
Entity NameEast-west Eye Institute A Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285810994
PECOS PAC ID: 0042297376
Enrollment ID: O20040702001125

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. Alfred C Marrone 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
Alfred C Marrone, MD
420 E 3rd St Ste 603,
Los Angeles, CA 90013-1645

Ph: (213) 625-2694
Alfred C Marrone, MD
23441 Madison St Ste 120,
Torrance, CA 90505-4734

Ph: (310) 530-0300

Reviews and Comments


Ophthalmology Doctors in Torrance, CA

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Dr. Alex Chunhsien Liu, M.D.
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Practice Location: 23441 Madison St, Suite 120, Torrance, CA 90505
Phone: 310-791-2233    Fax: 310-791-1144

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).

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