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Primary Care Doctor, Family Practitioner, Geriatric Specialist (elderly care)
24 years of experience
Accepting new patients
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).

Learn more about Dr. Peter Gaines:

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Specialties & Research

Dr. Peter Gaines, MD is board certified in Family Medicine and Family Medicine - Geriatric Medicine.

  • He has special expertise in 1 area:
  • Alzheimer Disease

Education & Awards

Dr. Gaines graduated from Virginia Commonwealth University, Richmond.


Dr. Gaines has 2 hospital affiliations:

  • Memorial Medical Center Modesto 
  • Doctors Medical Center of Modesto 


  • Spanish

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Additional Information
Dr. Peter Marshal Gaines MD is a male Family Practitioner, has 24 years of experience and practices in Family Medicine, Geriatric Medicine, and Geriatric Medicine.
Where does Dr. Peter M. Gaines practice?
Dr. Peter Gaines has 2 office locations.
Dr. Peter Gaines practices Family Medicine, Geriatric Medicine, and Geriatric Medicine near Modesto, CA.
See Modesto Primary Care Doctors, Modesto Family Physicians, and Modesto Geriatric Doctors.