William De La PenaM.D.
William De La Pena, M.D. is an Ophthalmology provider in Montebello, CA affiliated with 4 ambulatory surgery centers in CA, as of July 2026.
- NPI1598784415
- Registered2006
- Centers4
- 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.
- Third Street Surgery Center LpLos Angeles, CA · Gastroenterology, Ophthalmology · 19 on panelView center →
- Alvarado Eye Surgery Center LLCLos Angeles, CA · Ophthalmology · 26 on panelView center →
- Grand Ave Surgery Center LLCLos Angeles, CA · Ophthalmology · 12 on panelView center →
- Alliance Surgery Partners LLCLos Angeles, CA · Ophthalmology · 8 on panelView center →
William De La Pena at a glance
- Provider
- William De La Pena
- Credential
- M.D.
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Montebello, CA
- NPI registered
- 2006
- NPI
- 1598784415
- 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 William De La Pena practice?
William De La Pena, M.D. is based in Montebello, CA and is affiliated with 4 ambulatory surgery centers: Third Street Surgery Center Lp in Los Angeles, CA, Alvarado Eye Surgery Center LLC in Los Angeles, CA, Grand Ave Surgery Center LLC in Los Angeles, CA, and Alliance Surgery Partners LLC in Los Angeles, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is William De La Pena's NPI number?
William De La Pena's National Provider Identifier (NPI) is 1598784415, registered in 2006. Specialty on record: Ophthalmology; credential M.D.
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, William De La Pena among them. The California Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
Pilot Analysis
Get the complete William De La Pena analysis
Tell us where to send it. Our team will prepare an analysis of William De La Pena 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.