arrow
  • Allergy & Immunology, Internal Medicine
  • 63 years of experience
  • 1804 Quail Meadows Cir, Vacaville, CA 95687

Brief Intro

Dr. Keystone graduated from the University of Michigan Medical School in 1962. He works in Vacaville, CA and 1 other location and specializes in Allergy & Immunology and Internal Medicine.

View More

Education Background

MEDICAL SCHOOL

University Of Michigan Medical School - 1962

Languages Spoken

  • English

Location & Hours

  • 1804 Quail Meadows Cir, Vacaville, CA 95687

Specialties Treated

  • Allergy & Immunology
  • Internal Medicine

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Anthem Blue Cross
  • UnitedHealthcare
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Ascension Health
  • Hawaii Medical Service Association (HMSA)
  • Kaiser Permanente
  • Meritain Health
  • Blue Shield of California
  • Priority Health
  • Imperial Health Plan of California
  • Health Net
  • Humana
View More
  • Cancer 86
  • Cardiology, Heart & Vascular Surgery 79
  • Orthopedics 161
  • Neurology & Neurosurgery 120
  • Gastroenterology & GI Surgery 149
  • Pulmonology & Lung Surgery 161
  • Diabetes & Endocrinology 65
  • Children's Hospital 18
  • Urology 149
  • Psychiatry 91
  • Geriatrics 143
  • Rehabilitation 73
  • Obsterics & Gynecology 23
  • Ophthalmology 8
  • Ear, Nose & Throat 10
  • Rheumatology 4
  • Long Term Care 19
  • Maternity Care (Uncomplicated Pregnancy) 99