Search

See All Gastroenterologists in Modesto, CA
Dr. Calvin Olson, MD
Gastroenterology* Age 76
Dr. Calvin Olson, MD

Offers telehealth

Dr. Calvin Olson, MD is a Gastroenterologist in Modesto, CA.
Dr. Calvin Olson, MD

Dr. Calvin Olson, MD

Gastroenterology* Age 76
Modesto, CA
Accepting new patients
49 years of experience

Offers telehealth

Dr. Calvin Olson, MD is a Gastroenterologist in Modesto, CA.
Be the first to review this provider!
Have you seen Dr. Calvin Olson, MD?

About Dr. Calvin Olson, MD

Dr. Olson graduated from University of California, San Francisco School of Medicine in 1977 and completed a residency at University Tex Health Sci Center. Dr. Calvin Olson, MD is a Gastroenterologist in Modesto, CA and has 49 years experience. Dr. Olson's office accepts new patients and telehealth appointments. Dr. Olson is board certified in Gastroenterology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Compare with other Gastroenterologists

Compare Dr. Olson with our nearby Gastroenterologists at St. Joseph's Medical Center Stockton
These providers are on the medical staff of St. Joseph's Medical Center Stockton
These providers are on the medical staff of St. Joseph's Medical Center Stockton.
Advertisement

Experience Check

Enter a condition or procedure
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Constipation
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Irritable Bowel Syndrome
Abdominal Pain
Gastroesophageal Reflux Disease (GERD)
Dysphagia
Alcoholic Cirrhosis
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Boerhaave's Syndrome
Celiac Disease
Cholangitis
Cirrhosis
Colon Cancer
Colorectal Polyp
Congenital Achalasia
Crohn's Disease
Dehydration
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Diffuse Esophageal Spasm
Duodenal Ulcer
Duodenitis
Dysentery
Enteritis
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Esophagitis
Familial Adenomatous Polyposis
Food Allergy
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastrojejunal Ulcer
Gastroparesis
Heartburn
Hemochromatosis
Hemorrhoids
Hepatitis B - Immune Response
Hepatitis C
Hepatopulmonary Syndrome
Hepatorenal Syndrome
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Indigestion
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Obstruction
Intestinal Prolapse
Intestinal Tuberculosis
Intestinal Ulcer
Ischemic Colitis
Lactose Intolerance
Liver Damage from Alcohol
Mallory-Weiss Syndrome
Malnutrition
Nausea
  • View other providers who treat Nausea
Non-Neonatal Jaundice
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Pelvic Abscess
Peptic Ulcer
Pyloric Stenosis
Reflux Esophagitis
Ulcerative Colitis
Unexplained Weight Loss
Upper Digestive Tract Cancer
Viral Hepatitis
Vomiting Disorders
Anoscopy
  • View other providers who treat Anoscopy
Colon Cancer Screening
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Colorectal Cancer Screening
Duodenal Polypectomy
Endoscopy
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Blue Cross CA PPO Prudent Buyer Small Group PPO
    Advantage Preferred DirectAccess Plus PPO
  • Silver 70 PPO
  • Cigna HMO
    Open Access Plus
    Cigna PPO
  • BlueCard PPO
  • HealthyBlue Advantage
  • CA Healthnet PPO
    CA Employer Group Plans HMO
  • Pathway EPO
    High Performance Network HPN
    California Care Small Group HMO
    Advantage HMO
    California Care Large Group HMO
    Prudent Buyer Large Group CA PPO
    Prudent Buyer Individual CA PPO
  • CA Cigna + Oscar Open Access Plus

Where Dr. Calvin Olson, MD Sees Patients

What Patients Say

Be the first to leave a review

How likely are you to recommend Dr. Olson?

(Select your rating)
See more reviews on Healthgrades
Claim Your Profile
Are you Dr. Calvin Olson, MD?
Respond to reviews, add information, and reach more patients. Claiming is free and only takes a minute.

Claim my profile
Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Olson?
Call now to make an appointment
(209) 550-4750

Meet Dr. Calvin Olson, MD

Specialties*
Gastroenterology
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Olson communicate via email?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson offer telehealth services or virtual visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson offer an online patient portal?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson have free onsite parking?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson offer weekend visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson offer evening visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Olson accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Olson's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Calvin Olson, MD. To arrange an appointment, call the number on Dr. Olson's profile.

Dr. Calvin Olson, MD is affiliated with CPMC Van Ness Campus and Memorial Medical Center.

Yes, Dr. Calvin Olson, MD holds board certification in Gastroenterology and Internal Medicine.

Training & Medical Education
Medical Education
  • University of California, San Francisco School of Medicine
    1977
Medical Education
Board Certifications
  • Gastroenterology and Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Internship
  • University Tex Health Sci Center
    1978
Internship
Residency Hospital
  • University Tex Health Sci Center
    1980
Residency Hospital
Fellowship Hospital
  • UCLA-Wadsworth VA Hospital
    1982
Fellowship Hospital

Hospitals Where Dr. Calvin Olson, MD Practices

  • CPMC Van Ness Campus

    1101 Van Ness Ave, San Francisco, CA

  • Memorial Medical Center

    1700 Coffee Rd, Modesto, CA

Explore More Providers