Summary

Dr. John Konstantin brings two decades of medical expertise to his practice, specializing in family medicine and surgery. He earned his medical degree from Drexel University College of Medicine and has been serving patients for 20 years. Dr. Konstantin is fluent in both English and Spanish, allowing him to connect with a diverse patient population.

Dr. Konstantin practices at several respected Oakland healthcare facilities, including Wilma Chan Highland Hospital Campus, Kaiser Permanente Oakland Medical Center, and Alta Bates Summit Medical Center Summit Campus. He treats a variety of common health conditions such as high blood pressure and high cholesterol, as well as providing pediatric care for children. His surgical background complements his family medicine practice, and he performs diagnostic procedures like ambulatory EKGs to monitor heart health. Patients have given him an average rating of 4.6 stars, reflecting their confidence in his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 20 years of experience
  • 24 insurance plans accepted
  • speaks English, Spanish
  • Drexel University College Of Medicine
  • 1 written review
  • 2 specialties
  • 7 areas of expertise
  • 3 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Karl Konstantin has 4 locations

Konstantin John K Office

2584 MacArthur BlvdOakland, CA 94602
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Wilma Chan Highland Hospital Campus

1411 E 31st StOakland, CA 94602

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Dr. John Karl Konstantin, MD
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Dr. John Karl Konstantin, MDCharles Reppe, PA-CNicole Baldwin, APRN, FNP-BCSherry Amankwa, MSN, APRN, FNP-C
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4.2 
20 Years of Experience 8 Years of Experience 6 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Oakland , CAOakland , CAOrlando , FLBaltimore , MD
Med School: Drexel University College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Karl Konstantin

  • Accepts Medicare
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Alameda Alliance for Health
  • Alameda Alliance for Health - Medicaid (Managed)
  • Anthem Blue Cross
  • APWU
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Cigna
  • Contra Costa Health Plan
  • Health Net
  • Health Net - HMO
  • Humana
  • Kaiser Permanente
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. John Karl Konstantin has the following 2 specialties

Specialty Expertise

Dr. John Karl Konstantin has the following 7 areas of expertise

  • Check-up
  • Flu (Human Influenza)
  • Heartburn
  • Immunization
  • Indigestion
  • Surgery
  • Vaccination

Certifications, License, & Education

20 Years Experience

Dr. John Karl Konstantin 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

Medical School

Graduated from Drexel University College Of Medicine in 2006.

NPI Number

Dr. Konstantin's NPI number is 1548415979.

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Frequently Asked Questions

Where is Dr. John Konstantin's office located?
Dr. John Konstantin's office is located at 2584 MacArthur Blvd, Oakland, CA, 94602.
What languages does Dr. John Konstantin speak?
Dr. John Konstantin speaks English and Spanish.
How can I make an appointment with Dr. John Konstantin?
You can find contact information for Dr. John Konstantin here on Vitals.
Which hospitals is Dr. John Konstantin affiliated with?
Dr. John Konstantin is affiliated with Wilma Chan Highland Hospital Campus, Kaiser Permanente Oakland Medical Center, and Alta Bates Summit Medical Center Summit Campus.
Does Dr. John Konstantin accept my insurance?
You can see the insurance plans that Dr. John Konstantin accepts on their Vitals profile.

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