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

John R Ewing, MD

Individual provider Addiction Medicine (Family Medicine) Physician · NPI 1053378331

John R Ewing, MD is a Family Practice in Madison, Wisconsin. Graduated from University of New Mexico School of Medicine in 1995, 31 years ago. Practices with Meriter Hospital Inc, a 123-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
31
Trained at
University of New Mexico School of Medicine
Licensed in
WI
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

202 S Park St
Madison, WI 53715-1507
Phone: (608) 417-8144
Show map & directions

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

Specialties & licences

Addiction Medicine (Family Medicine) Physician (primary) Taxonomy 207QA0401X · Licence 47760-20 (WI)

Record details

NPI number1053378331
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 28, 2006
Last updated in NPPESDecember 6, 2018
Mailing address202 S Park St, Madison, WI 53715-1507

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesADDICTION MEDICINE
Medical schoolUNIVERSITY OF NEW MEXICO SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Meriter Hospital Inc — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Madison