Robert Michael Greenberg, MD - Medicare in San Leandro, CA

Robert Michael Greenberg, MD is a medicare enrolled "Emergency Medicine" physician in San Leandro, California. His current practice location is 2500 Merced St, San Leandro, California. You can reach out to his office (for appointments etc.) via phone at (510) 454-1000.

Robert Michael Greenberg is licensed to practice in California (license number A79081) 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 1376628032.

Contact Information

Robert Michael Greenberg, MD
2500 Merced St,
San Leandro, CA 94577-4201
(510) 454-1000
Not Available

Map and Direction




Physician's Profile

Full NameRobert Michael Greenberg
GenderMale
Speciality
Experience Years
Location2500 Merced St, San Leandro, 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:
  • Robert Michael Greenberg attended and graduated from in
  NPI Data:
  • NPI Number: 1376628032
  • Provider Enumeration Date: 10/25/2006
  • Last Update Date: 12/08/2021
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Robert Michael Greenberg such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376628032NPI-NPPES
00A790810MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A79081 (California)Primary

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. Robert Michael Greenberg 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
Robert Michael Greenberg, MD
2500 Merced St,
San Leandro, CA 94577-4201

Ph: (510) 454-1000
Robert Michael Greenberg, MD
2500 Merced St,
San Leandro, CA 94577-4201

Ph: (510) 454-1000

Reviews and Comments


Emergency Medicine Doctors in San Leandro, CA

Chin-hsiang Feng,
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-518-5598    
Dr. Grace Mindy Lee, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    Fax: 203-688-5599
Dr. Vibha Kundi Gupta, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 517-648-0339    
Allison Boyd, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Dr. Bing Chung Shen, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Anthony Michael Montefusco Iv,
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 13855 E 14th St, San Leandro, CA 94578
Phone: 209-342-2300    Fax: 209-524-4240
Mark Makoto Tanaka, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    

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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