42 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Olson, Gastroenterologist in Modesto, CA?
Dr. Calvin Olson, MD is a Gastroenterologist, who primarily practices in Modesto, CA. He has been practicing for over 42 years and is board certified. Dr. Olson graduated from University of California and completed his residency at Ucla Med Ctr, Gastroenterology; Univ Hosp-S Tx Med Ctr, Internal Medicine. Dr. Olson is fluent in English, and is currently seeing new patients. Dr. Olson’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Olson’s office at (209) 550-4750.
Where did Dr. Olson go to medical school and complete their residency?
Residency: Ucla Med Ctr, Gastroenterology; Univ Hosp-S Tx Med Ctr, Internal Medicine | University of Texas Affiliated Hospitals | University of Arkansas for Medical Sciences Regional Centers (South Central) Program
Medical School: University of Ca, San Francisco, Sch of Med, San Francisco Ca | University of California
Is Dr. Olson board certified as a Gastroenterologist?
Yes, Dr. Calvin Olson, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Olson speak?
Dr. Olson and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Olson treat?
As a Gastroenterologist, Dr. Olson diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Olson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- History of Adenomatous and Serrated Colon Polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
ICD-10 Codes:
- Z860101: Personal history of adenomatous and serrated colon polyps
Also known as:
- Other Specific Abnormal Blood Chemistry Results
- Blood
- Specified Blood Chemistry Imbalance
- Unusual Blood Chemistry Findings
- Specific Blood Panel Abnormalities
ICD-10 Codes:
- R7989: Other specified abnormal findings of blood chemistry
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
What procedures does Dr. Olson perform?
As a Gastroenterologist, Dr. Olson performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Olson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Does Dr. Olson accept my insurance?
Dr. Olson accepts most major insurance plans. Important: Please call our office at (209) 550-4750 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Olson accept in Modesto, CA?
Dr. Olson in Modesto, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Health Plan
BCBS Unspecified
Centene
CVS Health (formerly Aetna)
Department of Veterans Affairs
Elevance Health Inc. (formerly Anthem)
Health Plan of San Joaquin
Presbyterian Health Plan
UnitedHealthcare
Western Growers Association
View All Insurances
Where is Dr. Olson's office located?
Dr. Calvin Olson's Primary Practice
1409 E Briggsmore Ave
Modesto, CA 95355
(209) 550-4750
What is Dr. Olson's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Olson's National Provider Identifier (NPI) number is 1740230713.
What common questions do patients ask about Dr. Olson?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Olson
What is Dr. Calvin Olson's specialty?
Dr. Olson is a Gastroenterologist near Modesto, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Olson to book an appointment today.
Is this Dr. Calvin Olson affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Olson is affiliated with Memorial Medical Center - Modesto, CA, California Pacific Medical Center - Van Ness Campus which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Calvin Olson accepting new patients in Modesto, CA?
Yes, Dr. Calvin Olson is accepting new patients at this time.
Does Dr. Calvin Olson offer online booking?
Please contact Dr. Olson's office at (209) 550-4750 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Calvin Olson?
Please contact Dr. Olson's office at (209) 550-4750 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Calvin Olson have?
Dr. Calvin Olson is certified by the American Board of Internal Medicine.
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