Aaron LewisMD
General Surgery·South Pasadena, CA
Aaron Lewis, MD is a General Surgery provider in South Pasadena, CA affiliated with 1 ambulatory surgery center in CA, as of July 2026.
- NPI1053542100
- Registered2009
- Centers1
- StateCA
- Class of2008
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.
Aaron Lewis at a glance
- Provider
- Aaron Lewis
- Credential
- MD
- Specialty
- General Surgery
- Procedures
- General Surgery CPT codes
- Location
- South Pasadena, CA
- Medical school
- Medical College of Wisconsin
- Graduated
- 2008
- NPI registered
- 2009
- NPI
- 1053542100
- 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 Aaron Lewis practice?
Aaron Lewis, MD is based in South Pasadena, CA and is affiliated with 1 ambulatory surgery center: Huntington Ambulatory Surgery Center in Pasadena, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Aaron Lewis's NPI number?
Aaron Lewis's National Provider Identifier (NPI) is 1053542100, registered in 2009. Specialty on record: General Surgery; credential MD.
Where did Aaron Lewis go to medical school?
Aaron Lewis, MD attended Medical College of Wisconsin, graduating in 2008.
How many General Surgery providers in California work at ambulatory surgery centers?
378 General Surgery surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Aaron Lewis among them. The California General Surgery directory lists each one by city with credential, NPI, and center affiliations.
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