Calvin OlsonMD
Calvin Olson, MD is a Gastroenterology provider in Modesto, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1740230713
- Registered2006
- Centers2
- StateCA
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Calvin Olson at a glance
- Provider
- Calvin Olson
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Modesto, CA
- NPI registered
- 2006
- NPI
- 1740230713
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Calvin Olson practice?
Calvin Olson, MD is based in Modesto, CA and is affiliated with 2 ambulatory surgery centers: Sylvan Surgery Center INC in Modesto, CA and Sutter Valley Medical Foundation Dba Briggsmore Surgery Center in Modesto, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Calvin Olson's NPI number?
Calvin Olson's National Provider Identifier (NPI) is 1740230713, registered in 2006. Specialty on record: Gastroenterology; credential MD.
How many Gastroenterology providers in California work at ambulatory surgery centers?
547 Gastroenterology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Calvin Olson among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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