Doctor profile · Federal record
Dr. David Christiansen, M.D.
Infectious Disease Physician (CMS: Infectious Disease) · Infectious Disease Physician · Missoula, MT
- NPI 1811056336
- Accepts Medicare
- MIPS 85.4 / 100 · 2023
- 25 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
500 W Broadway St
Missoula, MT 598024008
(406) 543-7271 - Additional location
-
902 N Orange St
Missoula, MT 598022928
(406) 327-1732
fax (406) 329-2621
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- May 3, 2021
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State licenses (2)
- Montana #11397 · Utah #5756397-1205
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811056336. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
756
Distinct HCPCS
10
Medicare allowed
$88,146
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 195 | 90 | $79 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 126 | 60 | $119 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 95 | 68 | $177 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 90 | 55 | $129 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 76 | 42 | $49 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 66 | 63 | $172 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 35 | $91 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 26 | 26 | $221 | |
99239 |
Hospital discharge day management, more than 30 minutes | 21 | 20 | $111 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 15 | $131 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 86. This provider delivers 8.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
710
Patients
364
Total drug cost
$120,284
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 85 | 25 | $4,700 |
| Amoxicillin | Generic | 82 | 19 | $2,104 |
| Adacel Tdap (Diph,pertuss(Acell),tet Vac/Pf) | Brand | 70 | 70 | $4,992 |
| Abrysvo (Rsv Vacc, Pref A And Pref B/Pf) | Brand | 69 | 69 | $21,756 |
| Cefuroxime (Cefuroxime Axetil) | Brand | 60 | 22 | $4,139 |
| Typhim Vi (Typhoid Vi Polysacch Vaccine) | Brand | 55 | 55 | $5,871 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 49 | 15 | $723 |
| Cefadroxil | Generic | 43 | 0 | $1,684 |
| Shingrix (Varicella-Zoster Ge/As01b/Pf) | Brand | 42 | 34 | $8,550 |
| Havrix (Hepatitis A Virus Vaccine/Pf) | Brand | 41 | 39 | $4,175 |
Hospital affiliations
Frequently asked questions
What is Dr. David Christiansen's medical specialty?
Dr. David Christiansen practices Infectious Disease Physician in Missoula, MT.
Where does Dr. David Christiansen practice?
Dr. David Christiansen practices at 500 W Broadway St, Missoula, MT 598024008. Office phone: 4065437271.
What is Dr. David Christiansen's NPI?
Dr. David Christiansen's National Provider Identifier (NPI) is 1811056336, issued by NPPES.
Does Dr. David Christiansen accept Medicare assignment?
Yes. Dr. David Christiansen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Christiansen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.