Michael FretzinMD
Michael Fretzin, MD is a Dermatology provider in Buffalo Grove, IL, as of July 2026.
- NPI1134118987
- Registered2005
- Class of1996
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Michael Fretzin at a glance
- Provider
- Michael Fretzin
- Credential
- MD
- Specialty
- Dermatology
- Location
- Buffalo Grove, IL
- Medical school graduation
- 1996
- NPI registered
- 2005
- NPI
- 1134118987
- 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 Michael Fretzin practice?
Michael Fretzin, MD is based in Buffalo Grove, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Michael Fretzin's NPI number?
Michael Fretzin's National Provider Identifier (NPI) is 1134118987, registered in 2005. Specialty on record: Dermatology; credential MD.
How many Dermatology providers in Illinois work at ambulatory surgery centers?
62 Dermatology surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Michael Fretzin among them. The Illinois Dermatology directory lists each one by city with credential, NPI, and center affiliations.
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