Mark DavidsonM.D.
Gastroenterology·Los Angeles, CA
Mark Davidson, M.D. is a Gastroenterology provider in Los Angeles, CA affiliated with 3 ambulatory surgery centers in CA, as of July 2026.
- NPI1164459178
- Registered2006
- Centers3
- StateCA
- Class of1997
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.
- Westside Medical Center INCLos Angeles, CA · Gastroenterology · 18 on panelView center →
- Century City Endoscopy LLCLos Angeles, CA · Gastroenterology · 15 on panelView center →
- Tower Outpatient Surgery Center INC Dba Tower Outpatient Surgey CenterLos Angeles, CA · Dermatology, Gastroenterology, Plastic surgery · 5 on panelView center →
Education
Education on record as of August 2026.
Mark Davidson at a glance
- Provider
- Mark Davidson
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Los Angeles, CA
- Medical school
- University of California, Geffen School of Medicine
- Graduated
- 1997
- NPI registered
- 2006
- NPI
- 1164459178
- 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 Davidson practice?
Mark Davidson, M.D. is based in Los Angeles, CA and is affiliated with 3 ambulatory surgery centers: Westside Medical Center INC in Los Angeles, CA, Century City Endoscopy LLC in Los Angeles, CA, and Tower Outpatient Surgery Center INC Dba Tower Outpatient Surgey Center in Los Angeles, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mark Davidson's NPI number?
Mark Davidson's National Provider Identifier (NPI) is 1164459178, registered in 2006. Specialty on record: Gastroenterology; credential M.D.
Where did Mark Davidson go to medical school?
Mark Davidson, M.D. attended University of California, Geffen School of Medicine, graduating in 1997.
How many Gastroenterology providers in California work at ambulatory surgery centers?
547 Gastroenterology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mark Davidson among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete Mark Davidson analysis
Tell us where to send it. Our team will prepare an analysis of Mark Davidson covering case volumes, referral patterns, payer mix, and how specialty peers compare, and email it to you within 5-10 business days. Need it faster? Book a demo.