William Amundson, M.D.
NPI 1225304215 · Pulmonary Disease Physician · Saint Paul, MN
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Amundson, M.D. is a Pulmonary Disease Physician provider in Saint Paul, MN (NPI 1225304215).
Provider details
- NPI number
- 1225304215
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 61514 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
722 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 129 | $182 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $123 |
| Test to Determine Lung Volumes Using Sensors94726 | 87 | $11 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 87 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 51 | $111 |
| Test to Measure Expiratory Airflow and Volume94010 | 49 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 224 | 35 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 156 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 103 | 43 |
| Tiotropium Bromidebrand: Spiriva Respimat | 74 | 15 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 65 | 11 |
| Tiotropium Br/Olodaterol Hclbrand: Stiolto Respimat | 60 |
Practice location
Mailing address
Additional practice locations (1)
- 1500 Curve Crest Blvd WStillwater, MN 55082-6040Phone: (651) 439-1234
Registry dates
- Enumerated
- 2012-03-24
- Last updated
- 2021-09-28
- Certified
- 2021-09-28
Frequently asked questions
- What is William Amundson's NPI number?
- William Amundson's National Provider Identifier (NPI) is 1225304215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Amundson's specialty?
- William Amundson is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Amundson located?
- William Amundson's practice location on file with NPPES is 640 Jackson St, Saint Paul, MN 55101-2502.
- What is William Amundson's phone number?
- The practice phone number listed in the NPPES registry for William Amundson is (651) 254-5529.
- Does William Amundson accept Medicare?
- William Amundson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Amundson's NPI active?
- Yes — William Amundson's NPI (1225304215) is active in the NPPES registry as of the last update on 2021-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.