Stephen SimonMD
Diagnostic Radiology·Mission Viejo, CA
Stephen Simon, MD is a Diagnostic Radiology provider in Mission Viejo, CA, as of July 2026.
- NPI1285618389
- Registered2005
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Stephen Simon at a glance
- Provider
- Stephen Simon
- Credential
- MD
- Specialty
- Diagnostic Radiology
- Procedures
- Diagnostic Radiology CPT codes
- Location
- Mission Viejo, CA
- NPI registered
- 2005
- NPI
- 1285618389
- 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 Stephen Simon practice?
Stephen Simon, MD is based in Mission Viejo, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Stephen Simon's NPI number?
Stephen Simon's National Provider Identifier (NPI) is 1285618389, registered in 2005. Specialty on record: Diagnostic Radiology; credential MD.
How many Diagnostic Radiology providers in California work at ambulatory surgery centers?
50 Diagnostic Radiology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Stephen Simon among them. The California Diagnostic Radiology directory lists each one by city with credential, NPI, and center affiliations.
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