Lenard HammerM.D.
Lenard Hammer, M.D. is an Ophthalmology provider in Columbia, MD affiliated with 1 ambulatory surgery center in MD, as of July 2026.
- NPI1306874383
- Registered2006
- Centers1
- StateMD
- Class of1981
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.
Education
Education on record as of August 2026.
Lenard Hammer at a glance
- Provider
- Lenard Hammer
- Credential
- M.D.
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Columbia, MD
- Medical school
- Icahn School of Medicine at Mount Sinai
- Graduated
- 1981
- NPI registered
- 2006
- NPI
- 1306874383
- 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 Lenard Hammer practice?
Lenard Hammer, M.D. is based in Columbia, MD and is affiliated with 1 ambulatory surgery center: University Of Maryland Medicine ASC LLC in Columbia, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Lenard Hammer's NPI number?
Lenard Hammer's National Provider Identifier (NPI) is 1306874383, registered in 2006. Specialty on record: Ophthalmology; credential M.D.
Where did Lenard Hammer go to medical school?
Lenard Hammer, M.D. attended Icahn School of Medicine at Mount Sinai, graduating in 1981.
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, Lenard Hammer among them. The Maryland Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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