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

Dr. John David Purviance, MD

Individual provider Radiation Oncology Physician · NPI 1437279692

Dr. John David Purviance, MD is a Radiation Oncology in Casper, Wyoming. Graduated from Tufts University School of Medicine in 2002, 24 years ago. Practices with Rocky Mountain Oncology Center LLC, an 8-clinician group and accepts Medicare assignment. Licensed in Wyoming.

Years since qualifying
24
Trained at
Tufts University School of Medicine
Licensed in
WY
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6501 E 2nd St Rocky Mountain Oncology Ctr
Casper, WY 82609-4293
Phone: (307) 235-5433
Fax: (307) 233-4700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 7688A (WY)

Record details

NPI number1437279692
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2007
Last updated in NPPESMarch 9, 2016

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Rocky Mountain Oncology Center Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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