Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William N Loeliger, MD

Individual provider Anesthesiology Physician · NPI 1376544130

Dr. William N Loeliger, MD is an Anesthesiology in Towson, Maryland. Graduated from Jefferson Medical College of Thomas Jefferson University in 1980, 46 years ago. Practices with First Colonies Anesthesia Associates, LLC, a 340-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
46
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6701 N Charles St
Towson, MD 21204-6808
Phone: (410) 296-4616
Fax: (410) 337-5068
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence D0033886 (MD)

Record details

NPI number1376544130
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 2, 2005
Last updated in NPPESJuly 19, 2018
Mailing address1122 Kenilworth Dr, Ste 317, Towson, MD 21204-2146

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1980 (46 years in practice)
Group practice First Colonies Anesthesia Associates, Llc — 340 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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