Dr. William Kessler MD is a male Family Practitioner and practices in Family Medicine and General Practice.
Dr. William Kessler has 1 office location.
21966 Dolores St
Apt 137
Castro Valley, CA 94546

Phone Number
Locations and availability (1)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

  • He has special expertise in 1 area:
  • Flu (Human Influenza)

Education & Awards

Dr. Kessler graduated from University of Illinois at Chicago.



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Additional Information
Where does Dr. William Kessler practice?
Dr. William Kessler practices Family Medicine and General Practice near Castro Valley, CA.
See Castro Valley Family Physicians and Castro Valley General Practitioners.