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

David Charles Christiansen, MD

Individual provider Infectious Disease Physician · NPI 1811056336

David Charles Christiansen, MD is an Infectious Disease in Missoula, Montana. Graduated from Mayo Medical School in 2001, 25 years ago. Practices with Providence Health and Services Mt, a 358-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Montana and Utah.

Years since qualifying
25
Trained at
Mayo Medical School
Licensed in
MT, UT
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.

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Practice location Address checks out

500 W Broadway St
Missoula, MT 59802-4008
Phone: (406) 543-7271
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 902 N Orange St, Missoula, MT 59802-2928 — (406) 327-1732

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 11397 (MT)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 5756397-1205 (UT)

Record details

NPI number1811056336
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 8, 2006
Last updated in NPPESMay 3, 2021
Certification dateMay 3, 2021

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolMAYO MEDICAL SCHOOL
Graduated 2001 (25 years in practice)
Group practice Providence Health And Services Mt — 358 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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