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

Dr. John C Christianson, MD

Individual provider Infectious Disease Physician · NPI 1114021151

Dr. John C Christianson, MD is an Internal Medicine in Milwaukee, Wisconsin. Graduated from Medical College of Wisconsin in 1983, 43 years ago. Accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
43
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2006
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

2025 W Oklahoma Ave Ste 114
Milwaukee, WI 53215-4455
Phone: (414) 647-1537
Fax: (414) 647-1560
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 27387 (WI)

Record details

NPI number1114021151
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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