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

Dr. Ian R Powell, MD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1346212545

Dr. Ian R Powell, MD is an Addiction Medicine in Oconomowoc, Wisconsin. Qualified in 1996, 30 years ago. Practices with Rosecrance Inc, a 31-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
30
Licensed in
WI
In the registry since
2006
Specialties on file
3
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

34700 Valley Rd
Oconomowoc, WI 53066-4500
Phone: (262) 646-1391
Fax: (262) 646-1393
Show map & directions

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

Specialties & licences

Addiction Medicine (Internal Medicine) Physician (primary) Taxonomy 207RA0401X · Licence 39133 (WI)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 39133 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 39133 (WI)

Record details

NPI number1346212545
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 2, 2006
Last updated in NPPESOctober 20, 2012

Medicare enrollment

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

Medicare specialtyADDICTION MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Rosecrance Inc — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare