Dr Marcus L Williams, - Medicare Emergency Medicine in Oakland, CA

Dr Marcus L Williams, is a medicare enrolled "Emergency Medicine" physician in Oakland, California. He went to University Of California, Irvine, California College Of Medicine and graduated in 2012 and has 12 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Berkeley Emergency Medical Group Inc and his current practice location is 1411 E 31st St, Oakland, California. You can reach out to his office (for appointments etc.) via phone at (510) 437-4800.

Dr Marcus L Williams is licensed to practice in California (license number A103108) 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 1851708168.

Contact Information

Dr Marcus L Williams,
1411 E 31st St,
Oakland, CA 94602-1018
(510) 437-4800
Not Available



Physician's Profile

Full NameDr Marcus L Williams
GenderMale
SpecialityEmergency Medicine
Experience12 Years
Location1411 E 31st St, Oakland, 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:
  • Dr Marcus L Williams attended and graduated from University Of California, Irvine, California College Of Medicine in 2012
  NPI Data:
  • NPI Number: 1851708168
  • Provider Enumeration Date: 07/18/2014
  • Last Update Date: 05/10/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 6002108370
  • Enrollment ID: I20160706002039

Medical Identifiers

Medical identifiers for Dr Marcus L Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851708168NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A103108 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Alta Bates Summit Medical CenterOakland, CAHospital
Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Berkeley Emergency Medical Group Inc589069753646

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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 Marcus L Williams 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

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Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520

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Study: Addition of MRI to mammography improves cancer detection after breast conservation therapy

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When new AIDS virus particles bud from an infected cell, an enzyme named protease activates to help the viruses mature and infect more cells. That's why modern AIDS drugs control the disease by inhibiting protease.

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Entity NameBerkeley Emergency Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508874454
PECOS PAC ID: 5890697536
Enrollment ID: O20040123000216

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Tasmanians are looking at one of the tightest tobacco control measures ever adopted. The Tasmanian Government is proposing a no-smoking zone at almost all public places including shopping malls and sporting venues and introducing smoke-free buffer zone around children's playgrounds.

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Read more Medical News

› Verified 2 days ago

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 Marcus L Williams 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 Marcus L Williams,
2500 Merced St,
San Leandro, CA 94577-4201

Ph: () -
Dr Marcus L Williams,
1411 E 31st St,
Oakland, CA 94602-1018

Ph: (510) 437-4800

News Archive

Study: Addition of MRI to mammography improves cancer detection after breast conservation therapy

A new article published by JAMA Oncology compares outcomes for combined mammography and MRI or ultrasonography screenings for new breast cancers in women who have previously undergone breast conservation surgery and radiotherapy for breast cancer initially diagnosed at 50 or younger.

Utah researchers find way to use power of protease to destroy budding AIDS virus

When new AIDS virus particles bud from an infected cell, an enzyme named protease activates to help the viruses mature and infect more cells. That's why modern AIDS drugs control the disease by inhibiting protease.

Anti-smoking measures beefed up

Tasmanians are looking at one of the tightest tobacco control measures ever adopted. The Tasmanian Government is proposing a no-smoking zone at almost all public places including shopping malls and sporting venues and introducing smoke-free buffer zone around children's playgrounds.

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Rates of C. difficile infections have decreased 36% in hospitals across Canada, although the virulent NAP1 strain associated with severe illness and deaths is the most common strain, according to research published in CMAJ.

Read more News

› Verified 2 days ago


Emergency Medicine Doctors in Oakland, CA

Daniel Mantuani, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1506 4th Ave Apt 5, Apt 5, Oakland, CA 94606
Phone: 504-390-5474    
Jennifer I. Harris, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 275 W Macarthur, Oakland, CA 94611
Phone: 510-752-1000    
Benjamin J. Bonnes, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 275 W Macarthur Blvd, Oakland, CA 94611
Phone: 510-752-1000    
Richard J. Knight, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 275 W Macarthur Blvd, Oakland, CA 94611
Phone: 510-752-1000    
Michael S. Gelfond, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 275 W Macarthur, Oakland, CA 94611
Phone: 510-752-1000    
Dr. Kayla Enriquez, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1411 E 31st St, Oakland, CA 94602
Phone: 510-437-4564    
Dr. Emily Meilan Sze, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 350 Hawthorne Ave, Oakland, CA 94609
Phone: 510-869-2500    

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