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

Craig V Showalter, MD

Individual provider Addiction Psychiatry Physician · NPI 1548299340

Craig V Showalter, MD is an Addiction Medicine in Northfield, Illinois. Graduated from Northwestern University Feinberg Medical School in 1968, 58 years ago. Practices with County of Lake, a 42-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
58
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1829 Winnetka Ave
Northfield, IL 60093-3256
Phone: (847) 446-6464
Fax: (847) 446-9898
Show map & directions

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

Specialties & licences

Addiction Psychiatry Physician (primary) Taxonomy 2084P0802X (IL)

Record details

NPI number1548299340
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 2, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1829 Winnetka Ave, Northfield, IL 60093-3256

Medicare enrollment

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

Medicare specialtyADDICTION MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1968 (58 years in practice)
Group practice County Of Lake — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare