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, Dr. Countiss has built extensive expertise in managing complex medical conditions affecting adults. He is fluent in both Spanish and English, allowing him to serve diverse patient populations throughout Oregon.

Dr. Countiss practices at multiple locations including Grants Pass and Medford, Oregon, and maintains affiliations with Asante Three Rivers Medical Center, Providence Saint Vincent Medical Center, and Asante Rogue Regional Medical Center. His clinical focus includes treating chronic kidney disease and managing type 2 diabetes. He regularly performs blood tests and chemistry panels to monitor patient health and kidney function. Patients have given Dr. Countiss an average rating of 3.9 out of 5 on Vitals, reflecting their experiences with his comprehensive internal medicine care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.9
  • 39 years of experience
  • speaks Spanish, English
  • Barnes Jewish Hospital
  • 7 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 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. Ying Long, MDDr. Merrill Harris, MDDr. Adama Diarra, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
39 Years of Experience 14 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English Speaks English, French, Bambara
Grants Pass , ORPortland , ORPortland , ORTigard , OR
Med School: Washington University In St Louis School Of Medicine Med School: Xiangya School Of Medicine Central South University Med School: The University of Southern California Keck School of Medicine Med School: Arizona College of Osteopathic 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 virtual/telehealth appointments?
Dr. John Countiss has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. John Countiss speak?
Dr. John Countiss speaks Spanish and English.
Does Dr. John Countiss accept my insurance?
You can see the insurance plans that Dr. John Countiss accepts on their Vitals profile.

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