Alfredo R Lopez, MD - Medicare Hematology/oncology in San Francisco, CA

Alfredo R Lopez, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in San Francisco, California. He went to University Of California, San Francisco School Of Medicine and graduated in 1976 and has 48 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 2200 Ofarrell St, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 833-2000.

Alfredo R Lopez is licensed to practice in California (license number G36323) 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 1033297668.

Contact Information

Alfredo R Lopez, MD
2200 Ofarrell St,
San Francisco, CA 94115-3357
(415) 833-2000
Not Available

Map and Direction




Physician's Profile

Full NameAlfredo R Lopez
GenderMale
SpecialityHematology/oncology
Experience48 Years
Location2200 Ofarrell St, San Francisco, 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:
  • Alfredo R Lopez attended and graduated from University Of California, San Francisco School Of Medicine in 1976
  NPI Data:
  • NPI Number: 1033297668
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 12/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6002002037
  • Enrollment ID: I20101201001406

Medical Identifiers

Medical identifiers for Alfredo R Lopez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033297668NPI-NPPES
00G363230MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology G36323 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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. Alfredo R Lopez allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Alfredo R Lopez 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
Alfredo R Lopez, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Alfredo R Lopez, MD
2200 Ofarrell St,
San Francisco, CA 94115-3357

Ph: (415) 833-2000

Reviews and Comments


Internal Medicine Doctors in San Francisco, CA

Dr. Pratyusha Kishore Narra, MBBS
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Practice Location: 3490 California St, San Francisco, CA 94118
Phone: 415-514-6200    Fax: 415-514-6410
Dr. Chelsea Joy Thomsen, M.D., M.S.P.H
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Practice Location: 2 W Portal Ave, San Francisco, CA 94127
Phone: 415-291-0480    
Christine Soran,
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Medicare: Medicare Enrolled
Practice Location: 1001 Potrero Ave, Bldg 10, 3rd Floor, Ward 13, Ucsf Division Of General Internal Medicine Sfgh, San Francisco, CA 94110
Phone: 415-206-5164    Fax: 415-206-5586
Stephen Norris Cohen, MD
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Medicare: Not Enrolled in Medicare
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Phone: 415-681-2171    Fax: 415-681-2171
Mauricio Jalife Bucay, M.D
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Medicare: Accepting Medicare Assignments
Practice Location: 505 Parnassus Ave, San Francisco, CA 94143
Phone: 415-750-4994    Fax: 415-750-8156
Dr. Adriana A.t. Martin, M.D., PH.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 505 Parnassus Ave, San Francisco, CA 94143
Phone: 415-514-7288    
Dr. Alexandra Cristina Villasante Fricke, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 655 Montgomery St Ste 810, San Francisco, CA 94111
Phone: 844-847-8216    Fax: 415-520-9150

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.