Lois RatnerMD
Ophthalmology·Towson, MD
Lois Ratner, MD is an Ophthalmology provider in Towson, MD affiliated with 3 ambulatory surgery centers in MD, as of July 2026.
- NPI1942362603
- Registered2006
- Centers3
- StateMD
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.
Lois Ratner at a glance
- Provider
- Lois Ratner
- Credential
- MD
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Towson, MD
- NPI registered
- 2006
- NPI
- 1942362603
- 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 Lois Ratner practice?
Lois Ratner, MD is based in Towson, MD and is affiliated with 3 ambulatory surgery centers: Northern Baltimore Surgery Center LLC in Towson, MD, Dulaney Eye Institute in Towson, MD, and Maryland Aesthetic And Reconstructive ASC LLC in Towson, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Lois Ratner's NPI number?
Lois Ratner's National Provider Identifier (NPI) is 1942362603, registered in 2006. Specialty on record: Ophthalmology; credential MD.
How many Ophthalmology providers in Maryland work at ambulatory surgery centers?
223 Ophthalmology surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Lois Ratner among them. The Maryland Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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