William LoeligerM.D.
Anesthesiology·Towson, MD
William Loeliger, M.D. is an Anesthesiology provider in Towson, MD affiliated with 5 ambulatory surgery centers in MD, as of July 2026.
- NPI1376544130
- Registered2005
- Centers5
- StateMD
- Class of1980
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.
- Summit Ambulatory Surgical Center LLCBaltimore, MD · Urology · 8 on panelView center →
- Summit Ambulatory Surgical Center LLCBaltimore, MD · Urology · 3 on panelView center →
- Summit Ambulatory Surgical Center LLCOwings Mills, MD · Urology · 7 on panelView center →
- Surgcenter Of Bel AirBel Air, MD · Orthopedics, Pain management · 5 on panelView center →
- Summit Ambulatory Surgical Center LLCBel Air, MD · Urology · 2 on panelView center →
Education
Education on record as of August 2026.
William Loeliger at a glance
- Provider
- William Loeliger
- Credential
- M.D.
- Specialty
- Anesthesiology
- Procedures
- Anesthesiology CPT codes
- Location
- Towson, MD
- Medical school
- Jefferson Medical College of Thomas Jefferson University
- Graduated
- 1980
- NPI registered
- 2005
- NPI
- 1376544130
- 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 Loeliger practice?
William Loeliger, M.D. is based in Towson, MD and is affiliated with 5 ambulatory surgery centers: Summit Ambulatory Surgical Center LLC in Baltimore, MD, Summit Ambulatory Surgical Center LLC in Baltimore, MD, Summit Ambulatory Surgical Center LLC in Owings Mills, MD, Surgcenter Of Bel Air in Bel Air, MD, and Summit Ambulatory Surgical Center LLC in Bel Air, MD. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is William Loeliger's NPI number?
William Loeliger's National Provider Identifier (NPI) is 1376544130, registered in 2005. Specialty on record: Anesthesiology; credential M.D.
Where did William Loeliger go to medical school?
William Loeliger, M.D. attended Jefferson Medical College of Thomas Jefferson University, graduating in 1980.
How many Anesthesiology providers in Maryland work at ambulatory surgery centers?
72 Anesthesiology surgeons and proceduralists in Maryland are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, William Loeliger among them. The Maryland Anesthesiology directory lists each one by city with credential, NPI, and center affiliations.
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