Mark NelsonMD
Orthopedic Surgery·Lajolla, CA
Mark Nelson, MD is an Orthopedic Surgery provider in Lajolla, CA affiliated with 3 ambulatory surgery centers in CA, as of July 2026.
- NPI1245341601
- Registered2006
- Centers3
- StateCA
- Class of1995
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.
- Scripps HealthSan Diego, CA · Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
- Ucsd Ambulatory Surgery Center LLCSan Diego, CA · Oral & maxillofacial, ENT, Gastroenterology, Orthopedics, Pain management, Plastic surgery · 30 on panelView center →
- Ucsd Surgical Center Of San Diego LLCSan Diego, CA · Gastroenterology, General surgery, Orthopedics, Pain management, Urology, Vascular · 30 on panelView center →
Education
Education on record as of August 2026.
Mark Nelson at a glance
- Provider
- Mark Nelson
- Credential
- MD
- Specialty
- Orthopedic Surgery
- Procedures
- Orthopedic Surgery CPT codes
- Location
- Lajolla, CA
- Medical school
- University of Utah School of Medicine
- Graduated
- 1995
- NPI registered
- 2006
- NPI
- 1245341601
- 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 Mark Nelson practice?
Mark Nelson, MD is based in Lajolla, CA and is affiliated with 3 ambulatory surgery centers: Scripps Health in San Diego, CA, Ucsd Ambulatory Surgery Center LLC in San Diego, CA, and Ucsd Surgical Center Of San Diego LLC in San Diego, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mark Nelson's NPI number?
Mark Nelson's National Provider Identifier (NPI) is 1245341601, registered in 2006. Specialty on record: Orthopedic Surgery; credential MD.
Where did Mark Nelson go to medical school?
Mark Nelson, MD attended University of Utah School of Medicine, graduating in 1995.
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, Mark Nelson among them. The California Orthopedic Surgery directory lists each one by city with credential, NPI, and center affiliations.
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