Summary

Dr. John Countiss is an internal medicine physician who earned his medical degree from Washington University in St. Louis School of Medicine and completed his residency at Barnes Jewish Hospital. With 39 years of experience in internal medicine, he brings extensive expertise to patient care. Dr. Countiss is fluent in both English and Spanish.

Dr. Countiss practices at multiple locations throughout Oregon, including Grants Pass and Medford, with hospital affiliations at Asante Three Rivers Medical Center, Asante Rogue Regional Medical Center, and Providence Saint Vincent Medical Center in Portland. He specializes in managing complex conditions such as chronic kidney disease and type 2 diabetes. His practice includes performing blood tests and chemistry panels to monitor patient health. Patients have given Dr. Countiss an average rating of 3.9 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.9
  • 39 years of experience
  • speaks English, Spanish
  • Barnes Jewish Hospital
  • 7 written reviews
  • 1 specialty
  • 6 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 Spencer Countiss has 4 locations

Grants Pass Clinic Llp

495 SW Ramsey AveGrants Pass, OR 97527
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

Asante Three Rivers Medical Center

500 Sw Ramsey AveGrants Pass, OR 97527

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Dr. John Spencer Countiss, MDDr. Adewumi Bakare DMSc, PA-CDr. Adama Diarra, DODr. Merrill Harris, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
39 Years of Experience 5 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) Speaks English, French, Bambara Speaks English
Grants Pass , ORMesquite , TXTigard , ORPortland , OR
Med School: Washington University In St Louis School Of Medicine Med School: University of Lynchburg - DMSc Med School: Arizona College of Osteopathic Medicine Med School: The University of Southern California Keck School of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Spencer Countiss

  • Accepts Medicare

Medical Specialties

Dr. John Spencer Countiss has the following specialty

Specialty Expertise

Dr. John Spencer Countiss has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

39 Years Experience

Dr. John Spencer Countiss holds an expired medical license in the state of Oregon.

Medical License

Medical Doctor with an expired medical license in the state of Oregon that expired in 2025.

Education & Training

Residency

Completed their residency at Barnes Jewish Hospital.

Medical School

Graduated from Washington University In St Louis School Of Medicine in 1987.

NPI Number

Dr. Countiss' NPI number is 1144225921.

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Frequently Asked Questions

Where is Dr. John Countiss's office located?
Dr. John Countiss's office is located at 495 SW Ramsey Ave, Grants Pass, OR, 97527.
Which hospitals is Dr. John Countiss affiliated with?
Dr. John Countiss is affiliated with Asante Three Rivers Medical Center, Providence Saint Vincent Medical Center, and Asante Rogue Regional Medical Center.
Does Dr. John Countiss accept my insurance?
You can see the insurance plans that Dr. John Countiss accepts on their Vitals profile.
How can I make an appointment with Dr. John Countiss?
You can find contact information for Dr. John Countiss here on Vitals.
Is Dr. John Countiss accepting new patients?
Dr. John Countiss is accepting new patients on Vitals. View Dr. John Countiss's profile on Vitals to make an appointment.

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