David Charles Christiansen, M.D.
Infectious Disease Internal Medicine
David Charles Christiansen is an Infectious Disease Internal Medicine specialist based in Missoula, MT with over 25 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
With over 25 years in internal medicine, David Charles 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. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and arthritis. CMS MIPS quality score: 85.43/100 (2023).
At a glance
- Prescribes opioids less than 50% of reporting doctors in Montana
- Federal MIPS score higher than 49% of MIPS-scored doctors in Montana
- Virtual visits available — no app or travel required
Older · 1847dNPPES updated 2021-05-03 · verify NPI on CMS · Verify license at Montana Board of Medical Examiners
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Montana, prescribes opioid pain medications conservatively.
MIPS Score
202385.43/100
Montana avg: 84.7 · US avg: 83.6
✓ Higher than most doctors nationally(+1.8 pts)
Average range among MIPS-scored doctors in MontanaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better2.1%
Montana avg: 7.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3 pts)
Typical range among reporting doctors in Montana2.1% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better57.2%
Montana avg: 85 · US avg: 82.8
⚠ Lower than most doctors nationally(-25.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
253
Unique beneficiaries
Standard volumePrescription Recipients
324
Patients prescribed
Prescriptions Written
951
Total claims
Total Medicare drug cost: $353k
Percentile rankings compared against 214 reporting peers in Montana.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-6%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+4%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+5%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+5%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+12%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-1%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$11 received from industry
1 transaction reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to David Charles Christiansen's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2001
Mayo Clinic Alix School of Medicine
Board certified · May 2, 2021
Self-reported via NPPES
25 years in practice
Experienced
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)
Mailing address
500 W Broadway St P.O. Box 4587, Missoula, MT 59802-4008
Differs from practice location
Virtual Infectious Disease Care With David Charles Christiansen
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with David Charles Christiansen for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Missoula required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about David Charles Christiansen
NPI records show Dr. Christiansen as active with telehealth listed in Missoula, MT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (406) 543-7271.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact David Charles Christiansen
Practice Location
500 W Broadway St, Missoula, MT 59802-4008
Mailing Address
500 W Broadway St P.O. Box 4587, Missoula, MT 59802-4008
This is a provider directory. Contact the office directly to schedule appointments.
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