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

Dr. Douglas P Calvin, MD

Individual provider Internal Medicine Physician · NPI 1780677906

Dr. Douglas P Calvin, MD is a Radiation Oncology in Appleton, Wisconsin. Graduated from Louisiana State University School of Medicine in New Orleans in 1990, 36 years ago. Practices with State of Mississippi - University of Mississippi Medical Center, a 952-clinician group and accepts Medicare assignment. Licensed in Mississippi.

Years since qualifying
36
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
MS
In the registry since
2005
Specialties on file
2
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

3925 N Gateway Dr
Appleton, WI 54913-7863
Phone: (920) 749-1171
Fax: (920) 749-1172
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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 13714 (MS)
Internal Medicine Physician Taxonomy 207R00000X · Licence 13714 (MS)

Record details

NPI number1780677906
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2005
Last updated in NPPESFebruary 16, 2016
Mailing address3232 N Ballard Rd Ste 200, Attn: Credentialing, Appleton, WI 54911-8804

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1990 (36 years in practice)
Group practice State Of Mississippi - University Of Mississippi Medical Center — 952 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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