Summary

Dr. Carl Dettwiler is a gastroenterologist and internal medicine physician with 45 years of experience caring for patients with digestive health concerns. He earned his medical degree from Loma Linda University School of Medicine and completed his residency at Kettering Medical Center. Dr. Dettwiler speaks English and brings decades of expertise to his practice.

Dr. Dettwiler is affiliated with Saint Joseph Regional Medical Center and Tri-State Memorial Hospital and Medical Campus, with practice locations in Lewiston, Idaho, and Clarkston, Washington. He specializes in treating conditions such as colon polyps, swallowing difficulties, and diverticular disease. His procedural expertise includes performing colonoscopies and upper and lower gastrointestinal endoscopies to diagnose and treat digestive disorders. Patients have given him an average rating of 4.6 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 45 years of experience
  • speaks English
  • Kettering Medical Center
  • 2 specialties
  • 11 areas of expertise
  • 2 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Carl Ray Dettwiler has 4 locations

Clearwater Gastroenterology

2517 17th St Ste BLewiston, ID 83501
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 - 2:00 pm
SatClosed
SunClosed

Gem State Endoscopy

3709 14th StLewiston, ID 83501
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 2:00 pm
SatClosed
SunClosed

Tri-State Memorial Hospital And Medical Campus

1221 Highland AveClarkston, WA 99403

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Dr. Carl Ray Dettwiler, MDRebecca Humphries, APRNUsha NandhiniDr. Sumanth Mulamalla, MD
GastroenterologyGastroenterologySleep MedicineNephrology
Accepts New Patients Accepts New Patients
4.6 
45 Years of Experience 13 Years of Experience 23 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks Chinese, English
Lewiston , IDSacramento , CAPullman , WALewiston , ID
Med School: Loma Linda University School Of Medicine Med School: Emory University Med School: Kasturba Medical College Manipal Med School: Eastern Virginia Medical School
Current Profile
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Insurance Plans Accepted by Dr. Carl Ray Dettwiler

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Carl Ray Dettwiler has the following 2 specialties

Specialty Expertise

Dr. Carl Ray Dettwiler has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

45 Years Experience

Dr. Carl Ray Dettwiler holds an active medical license in the states of Idaho and Washington.

Medical License

Medical Doctor with an active medical license in the state of Idaho that expires in 2027 and an active medical license in the state of Washington that expires in 2027.

Education & Training

Residency

Completed their residency at Kettering Medical Center.

Medical School

Graduated from Loma Linda University School Of Medicine in 1981.

NPI Number

Dr. Dettwiler's NPI number is 1285623819.

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Frequently Asked Questions

Where is Dr. Carl Dettwiler's office located?
Dr. Carl Dettwiler's office is located at 2517 17th St Ste B, Lewiston, ID, 83501.
Is Dr. Carl Dettwiler accepting new patients?
Dr. Carl Dettwiler is accepting new patients on Vitals. View Dr. Carl Dettwiler's profile on Vitals to make an appointment.
Does Dr. Carl Dettwiler accept virtual/telehealth appointments?
Dr. Carl Dettwiler has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Carl Dettwiler speak?
Dr. Carl Dettwiler speaks English.
Does Dr. Carl Dettwiler accept my insurance?
You can see the insurance plans that Dr. Carl Dettwiler accepts on their Vitals profile.

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