Doctor profile · Federal record

Dr. Karl Sorenson, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology & Oncology Physician · Missoula, MT

  • NPI 1114306230
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
500 W Broadway St
Missoula, MT 598024008
(406) 728-2539
fax (406) 329-5663
Additional location
200 1St St Sw
Rochester, MN 55905
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
May 2015 — 11 yrs on file
Profile last updated
October 25, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Montana #MED-PHYS-LIC-91688 · Minnesota #62624

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114306230. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,017
Distinct HCPCS
7
Medicare allowed
$120,644
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 454 163 $98
99215 Established patient office or other outpatient visit, 40-54 minutes 237 87 $144
99213 Established patient office or other outpatient visit, 20-29 minutes 89 66 $66
99205 New patient office or other outpatient visit, 60-74 minutes 79 79 $181
99214 Established patient office or other outpatient visit, 30-39 minutes 68 36 $129
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 48 11 $119
99215 Established patient office or other outpatient visit, 40-54 minutes 42 21 $180

In context: peer comparison

Among 4 peers in this city , average services per provider: 212. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
395
Patients
113
Total drug cost
$789,639
Drug Type Claims Patients Total cost
Letrozole Generic 77 21 $2,878
Dexamethasone Generic 69 19 $702
Ondansetron Hcl Generic 49 21 $494
Prochlorperazine Maleate Generic 43 25 $611
Prednisone Generic 27 15 $234
Ondansetron Odt (Ondansetron) Brand 21 12 $241
Oxycodone Hcl Generic 20 0 $244
Hydroxyurea Generic 17 0 $842
Kisqali (Ribociclib Succinate) Brand 13 0 $225,646
Calquence (Acalabrutinib Maleate) Brand 12 0 $188,282

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Sorenson's medical specialty?
Dr. Karl Sorenson practices Hematology & Oncology Physician in Missoula, MT.
Where does Dr. Karl Sorenson practice?
Dr. Karl Sorenson practices at 500 W Broadway St, Missoula, MT 598024008. Office phone: 4067282539.
What is Dr. Karl Sorenson's NPI?
Dr. Karl Sorenson's National Provider Identifier (NPI) is 1114306230, issued by NPPES.
Does Dr. Karl Sorenson accept Medicare assignment?
Yes. Dr. Karl Sorenson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Sorenson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.