Theodore GregoriusM.D.
Orthopedic Surgery·Newport Beach, CA
Theodore Gregorius, M.D. is an Orthopedic Surgery provider in Newport Beach, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1013950450
- 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.
Theodore Gregorius at a glance
- Provider
- Theodore Gregorius
- Credential
- M.D.
- Specialty
- Orthopedic Surgery
- Procedures
- Orthopedic Surgery CPT codes
- Location
- Newport Beach, CA
- Medical school
- Loma Linda University School of Medicine
- Graduated
- 2000
- NPI registered
- 2006
- NPI
- 1013950450
- 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 Theodore Gregorius practice?
Theodore Gregorius, M.D. is based in Newport Beach, CA and is affiliated with 2 ambulatory surgery centers: Reconstructive Surgery Center Of Newport Beach INC in Newport Beach, CA and Orthopedic Surgery Center Of Oc LLC in Newport Beach, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Theodore Gregorius's NPI number?
Theodore Gregorius's National Provider Identifier (NPI) is 1013950450, registered in 2006. Specialty on record: Orthopedic Surgery; credential M.D.
Where did Theodore Gregorius go to medical school?
Theodore Gregorius, M.D. attended Loma Linda 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, Theodore Gregorius among them. The California Orthopedic Surgery directory lists each one by city with credential, NPI, and center affiliations.
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