Doctor profile · Federal record

Dr. William Amundson, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Saint Paul, MN

  • NPI 1225304215
  • Accepts Medicare
  • 14 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
640 Jackson St
Saint Paul, MN 551012502
(651) 254-5529
fax (651) 254-3048
Additional location
1500 Curve Crest Blvd W
Stillwater, MN 550826040
(651) 439-1234

Credentials & registration

NPPES · NUCC
NPI registered
March 2012 — 14 yrs on file
Profile last updated
September 28, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
Minnesota #61514 · New York #274228-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225304215. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
743
Distinct HCPCS
10
Medicare allowed
$62,967
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 155 73 $205
99214 Established patient office or other outpatient visit, 30-39 minutes 105 71 $125
94729 Test to examine how well the lungs exchange gases 82 69 $9
94726 Test to determine lung volumes using sensors 81 69 $12
94010 Test to measure expiratory airflow and volume 52 40 $26
94010 Test to measure expiratory airflow and volume 45 37 $8
36415 Insertion of needle into vein for collection of blood sample 41 36 $8
94060 Test to measure expiratory airflow and volume changes before and after medication administration 37 36 $10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 36 26 $66
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $158

In context: peer comparison

Among 6 peers in this city , average services per provider: 38. This provider delivers 20× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
735
Patients
151
Total drug cost
$316,622
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 177 27 $133,073
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 105 20 $88,015
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 103 40 $3,972
Incruse Ellipta (Umeclidinium Bromide) Brand 51 12 $22,172
Prednisone Generic 50 26 $455
Breo Ellipta (Fluticasone/Vilanterol) Brand 38 0 $16,976
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 32 0 $17,110
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 30 0 $14,628
Ventolin Hfa (Albuterol Sulfate) Brand 27 0 $1,677
Pantoprazole Sodium Generic 23 0 $365

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Amundson's medical specialty?
Dr. William Amundson practices Pulmonary Disease Physician in Saint Paul, MN.
Where does Dr. William Amundson practice?
Dr. William Amundson practices at 640 Jackson St, Saint Paul, MN 551012502. Office phone: 6512545529.
What is Dr. William Amundson's NPI?
Dr. William Amundson's National Provider Identifier (NPI) is 1225304215, issued by NPPES.
Does Dr. William Amundson accept Medicare assignment?
Yes. Dr. William Amundson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Amundson commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214); Test to examine how well the lungs exchange gases (HCPCS 94729). Source: CMS Medicare Physician & Other Practitioners file.