Summary

Dr. Peter Gaines is a geriatric medicine and family medicine physician who earned his medical degree from Virginia Commonwealth University School of Medicine. He completed his residency at Stanislaus Medical Center and brings 39 years of experience to his practice. Dr. Gaines speaks both English and Spanish, allowing him to serve a diverse patient population.

Dr. Gaines is affiliated with Doctors Medical Center of Modesto and practices at multiple locations throughout Modesto, California. He specializes in treating high blood pressure and managing hypertensive emergencies. His practice also focuses on preventive care, including administering flu vaccines, pneumococcal vaccines, and other adult immunizations. Patients rate Dr. Gaines an average of 3.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3
  • 39 years of experience
  • 19 insurance plans accepted
  • speaks English, Spanish
  • Stanislaus Medical Center
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. Peter Marshalkas Gaines has 3 locations

Valley Family Medicine Residency Of Modesto

401 Paradise Rd Ste EModesto, CA 95351
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Memorial Medical Center

1700 Coffee RdModesto, CA 95355

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Dr. Peter Marshalkas Gaines, MDDr. Karanbir BrarDr. Mary Elizabeth StarnDr. Ramiro Zuniga, MD
Geriatric MedicineGeriatric MedicineNurse PractitionerFamily Medicine
Accepts New Patients Accepts New Patients
39 Years of Experience 16 Years of Experience 37 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Punjabi, Spanish Speaks Spanish, English Speaks Spanish, English
Modesto , CAOceanside , CATurlock , CAFrench Camp , CA
Med School: Virginia Commonwealth University School Of Medicine Med School: Ross University School Of Medicine Med School: Pontificia Universidad Javeriana Bogota Facultad De Medicina
Current Profile
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Insurance Plans Accepted by Dr. Peter Marshalkas Gaines

  • Accepts Medicare
  • AARP
  • Aetna
  • Alignment Health Plan
  • AllCare Health
  • AllCare Health - IPA
  • AltaMed Senior BuenaCare (PACE)
  • Blue Shield of California
  • Central California Alliance for Health
  • Health Net
  • Health Net - HMO
  • Health Plan of San Joaquin
  • Health Plan of San Joaquin - Medicaid (Managed)
  • Health Plan of San Joaquin - Medicare (Advantage HMO)
  • Humana
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mutual of Omaha - Medicare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Peter Marshalkas Gaines has the following 2 specialties

Specialty Expertise

Dr. Peter Marshalkas Gaines has the following 11 areas of expertise

  • Alzheimer's Disease
  • Cognitive Issues/Testing
  • Confusion
  • Dementia
  • Dementia Testing
  • EOL Care
  • Family Medicine
  • Osteopenia
  • Osteoporosis
  • Senility
  • Urinary Incontinence

Certifications, License, & Education

39 Years Experience

Dr. Peter Marshalkas Gaines holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at Stanislaus Medical Center.

Medical School

Graduated from Virginia Commonwealth University School Of Medicine in 1987.

NPI Number

Dr. Gaines' NPI number is 1912915380.

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Frequently Asked Questions

What languages does Dr. Peter Gaines speak?
Dr. Peter Gaines speaks English and Spanish.
Is Dr. Peter Gaines accepting new patients?
Dr. Peter Gaines is accepting new patients on Vitals. View Dr. Peter Gaines's profile on Vitals to make an appointment.
Does Dr. Peter Gaines accept my insurance?
You can see the insurance plans that Dr. Peter Gaines accepts on their Vitals profile.
Does Dr. Peter Gaines accept virtual/telehealth appointments?
Dr. Peter Gaines has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Peter Gaines?
You can find contact information for Dr. Peter Gaines here on Vitals.

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