Thomas HarrisM.D.
Orthopedic Surgery·Pasadena, CA
Thomas Harris, M.D. is an Orthopedic Surgery provider in Pasadena, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1801815428
- Registered2006
- Centers2
- StateCA
- Class of2000
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.
Thomas Harris at a glance
- Provider
- Thomas Harris
- Credential
- M.D.
- Specialty
- Orthopedic Surgery
- Procedures
- Orthopedic Surgery CPT codes
- Location
- Pasadena, CA
- Medical school
- Georgetown University School of Medicine
- Graduated
- 2000
- NPI registered
- 2006
- NPI
- 1801815428
- 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 Thomas Harris practice?
Thomas Harris, M.D. is based in Pasadena, CA and is affiliated with 2 ambulatory surgery centers: Huntington Specialty Surgery LLC in Pasadena, CA and Congress Medical Surgery Center LLC in Pasadena, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Thomas Harris's NPI number?
Thomas Harris's National Provider Identifier (NPI) is 1801815428, registered in 2006. Specialty on record: Orthopedic Surgery; credential M.D.
Where did Thomas Harris go to medical school?
Thomas Harris, M.D. attended Georgetown University School of Medicine, graduating in 2000.
How many Orthopedic Surgery providers in California work at ambulatory surgery centers?
538 Orthopedic Surgery surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Thomas Harris among them. The California Orthopedic Surgery directory lists each one by city with credential, NPI, and center affiliations.
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