Benjamin ErnstM.D.
Benjamin Ernst, M.D. is an Ophthalmology provider in Appleton, WI affiliated with 1 ambulatory surgery center in WI, as of July 2026.
- NPI1518162247
- Registered2007
- Centers1
- StateWI
- 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.
Benjamin Ernst at a glance
- Provider
- Benjamin Ernst
- Credential
- M.D.
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Appleton, WI
- Medical school
- Saint Louis University School of Medicine
- Graduated
- 2006
- NPI registered
- 2007
- NPI
- 1518162247
- 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 Benjamin Ernst practice?
Benjamin Ernst, M.D. is based in Appleton, WI and is affiliated with 1 ambulatory surgery center: Pinnacle Cataract And Laser Institute LLC in Appleton, WI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Benjamin Ernst's NPI number?
Benjamin Ernst's National Provider Identifier (NPI) is 1518162247, registered in 2007. Specialty on record: Ophthalmology; credential M.D.
Where did Benjamin Ernst go to medical school?
Benjamin Ernst, M.D. attended Saint Louis University School of Medicine, graduating in 2006.
How many Ophthalmology providers in Wisconsin work at ambulatory surgery centers?
74 Ophthalmology surgeons and proceduralists in Wisconsin are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Benjamin Ernst among them. The Wisconsin Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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