Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Marcus L Williams

Individual provider Emergency Medicine Physician · NPI 1851708168

Dr. Marcus L Williams is an Emergency Medicine in Oakland, California. Graduated from University of California, Irvine, California College of Medicine in 2012, 14 years ago. Practices with Berkeley Emergency Medical Group Inc, a 41-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
14
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2014
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Practice location Address checks out

1411 E 31st St
Oakland, CA 94602-1018
Phone: (510) 437-4800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A103108 (CA)

Record details

NPI number1851708168
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 18, 2014
Last updated in NPPESMay 10, 2017
Mailing address2500 Merced St, San Leandro, CA 94577-4201

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Berkeley Emergency Medical Group Inc — 41 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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