David SwitzerM.D.
David Switzer, M.D. is an Ophthalmology provider in Billings, MT affiliated with 3 ambulatory surgery centers in MT, as of July 2026.
- NPI1891931572
- Registered2008
- Centers3
- StateMT
- Class of2006
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.
Education
Education on record as of August 2026.
David Switzer at a glance
- Provider
- David Switzer
- Credential
- M.D.
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Billings, MT
- Medical school
- Georgetown University School of Medicine
- Graduated
- 2006
- NPI registered
- 2008
- NPI
- 1891931572
- 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 David Switzer practice?
David Switzer, M.D. is based in Billings, MT and is affiliated with 3 ambulatory surgery centers: Vance Thompson Vision Surgery Center Billings LLC in Billings, MT, The Eye Clinic Surgicenter in Billings, MT, and Northern Rockies Surgery Center Lp in Billings, MT. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is David Switzer's NPI number?
David Switzer's National Provider Identifier (NPI) is 1891931572, registered in 2008. Specialty on record: Ophthalmology; credential M.D.
Where did David Switzer go to medical school?
David Switzer, M.D. attended Georgetown University School of Medicine, graduating in 2006.
How many Ophthalmology providers in Montana work at ambulatory surgery centers?
23 Ophthalmology surgeons and proceduralists in Montana are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, David Switzer among them. The Montana Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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