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

William D. McCarthy, MD, LLC

Organization Family Medicine Physician · NPI 1952475170

William D. McCarthy, MD, LLC is a Family Medicine Physician in Sheldon, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

160 E Grove St
Sheldon, IL 60966
Phone: (815) 429-3314
Fax: (815) 429-3490
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X (IL)

Record details

NPI number1952475170
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William McCarthy — Owner · (815) 429-3314
NPI enumeratedNovember 20, 2006
Last updated in NPPESAugust 22, 2020
Mailing addressPo Box 369, Sheldon, IL 60966-0369