Marcus LemleyMD
Marcus Lemley, MD is an Ophthalmology provider in Monrovia, CA affiliated with 2 ambulatory surgery centers in CA, as of July 2026.
- NPI1558304147
- Registered2006
- Centers2
- StateCA
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.
Marcus Lemley at a glance
- Provider
- Marcus Lemley
- Credential
- MD
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Monrovia, CA
- NPI registered
- 2006
- NPI
- 1558304147
- 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 Marcus Lemley practice?
Marcus Lemley, MD is based in Monrovia, CA and is affiliated with 2 ambulatory surgery centers: Raymond Renaissance Surgery Center LLC in Pasadena, CA and Huntington Ambulatory Surgery Center in Pasadena, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Marcus Lemley's NPI number?
Marcus Lemley's National Provider Identifier (NPI) is 1558304147, registered in 2006. Specialty on record: Ophthalmology; credential MD.
How many Ophthalmology providers in California work at ambulatory surgery centers?
869 Ophthalmology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Marcus Lemley among them. The California Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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