What is David Christiansen's background?

Dr. Christiansen graduated from Mayo Medical School in 2001 and has over 25 years in internal medicine. Dr. Christiansen works within a group practice.

Does David Christiansen take Medicare?

Dr. Christiansen has a Medicare provider ID. Contact the office to confirm enrollment and other coverage.

How do I reach David Christiansen's office?

500 W Broadway St, Missoula, MT 59802. Phone: (406) 543-7271. Virtual visits are also available for patients who prefer remote care.

How does a virtual visit with Dr. Christiansen work?

Dr. Christiansen's office sends a secure video link before your appointment. You can join from any device with a camera — phone, tablet, or laptop. Most visits take 15–30 minutes. See the telehealth section above for what to prepare.

David Charles Christiansen, M.D.

Infectious Disease Internal Medicine

Internal Medicine

(406) 543-7271Missoula, MT

Telehealth Available

NPI Active per CMS — Q2 2026

Telehealth Available NPI Active per CMS — Q2 2026

With over 25 years in internal medicine, David Christiansen, M.D. is a long-established infectious disease specialist in Missoula. A Mayo Medical School graduate since 2001, he brings 25+ years of experience. Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, and more.

1 of 12 Internal Medicine providers in MTSee all Internal Medicine in Missoula|25+ years experience|NPI since 2006

Data updated 2021-05-03 on CMS NPPES

Contact & Location

Practice Location

500 W Broadway St, Missoula, MT 59802-4008

(406) 543-7271

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal Medicine Infectious Disease in MissoulaAllopathic & Osteopathic Physicians

Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.

Taxonomy: 207RI0200X

Education & Training

Mayo Medical School (Class of 2001)

Virtual Infectious Disease Care With David Christiansen

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with David Christiansen for follow-ups, medication reviews, and ongoing care — no travel to Missoula required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about David Christiansen

NPI records show Dr. Christiansen as active with telehealth listed in Missoula, MT. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (406) 543-7271.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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