Charles AhrensM.D.
Ophthalmology·Duluth, MN
Charles Ahrens, M.D. is an Ophthalmology provider in Duluth, MN affiliated with 2 ambulatory surgery centers in MN, as of July 2026.
- NPI1356540827
- Registered2007
- Centers2
- StateMN
- Class of2007
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.
Charles Ahrens at a glance
- Provider
- Charles Ahrens
- Credential
- M.D.
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Duluth, MN
- Medical school
- Sanford School of Medicine of University of South Dakota
- Graduated
- 2007
- NPI registered
- 2007
- NPI
- 1356540827
- 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 Charles Ahrens practice?
Charles Ahrens, M.D. is based in Duluth, MN and is affiliated with 2 ambulatory surgery centers: Paviliion Surgery Center LLC in Duluth, MN and Northwoods Surgery Center LLC in Virginia, MN. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Charles Ahrens's NPI number?
Charles Ahrens's National Provider Identifier (NPI) is 1356540827, registered in 2007. Specialty on record: Ophthalmology; credential M.D.
Where did Charles Ahrens go to medical school?
Charles Ahrens, M.D. attended Sanford School of Medicine of University of South Dakota, graduating in 2007.
How many Ophthalmology providers in Minnesota work at ambulatory surgery centers?
91 Ophthalmology surgeons and proceduralists in Minnesota are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Charles Ahrens among them. The Minnesota Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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