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

Dr. John B Casper, MD

Individual provider Internal Medicine Physician · NPI 1275642191

Dr. John B Casper, MD is an Internal Medicine in Hayden, Idaho. Graduated from University of Washington School of Medicine in 1982, 44 years ago. Practices with Medical Consulting Services LLC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Idaho.

Years since qualifying
44
Trained at
University of Washington School of Medicine
Licensed in
ID
In the registry since
2006
Specialties on file
2
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

9030 N Hess St Ste 474
Hayden, ID 83835-9827
Phone: (208) 514-0518
Fax: (208) 486-4009
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 M4860 (ID)
Internal Medicine Physician Taxonomy 207R00000X · Licence M4860 (ID)

Record details

NPI number1275642191
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESDecember 8, 2025
Certification dateDecember 8, 2025
Mailing address9030 N Hess St Ste 474, Hayden, ID 83835-9827

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesADDICTION MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1982 (44 years in practice)
Group practice Medical Consulting Services Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Hayden