DR. WILLIAM HOYT AMUNDSON (M.D.) – Pulmonary Disease Physician, NPI 1225304215
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
369 PULMONARY DISEASE in MN
Provider Addresses for DR. WILLIAM HOYT AMUNDSON (M.D.)
1500 Curve Crest Blvd W
Stillwater, MN 550826040
Phone: (651) 439-1234
Type: Location
420 DELAWARE ST SE
MMC 276
MINNEAPOLIS, MN 554550341
Phone: (612) 626-1146
Type: Mailing
909 FULTON ST SE
MINNEAPOLIS, MN 554554800
Phone: (612) 672-7422
Type: Location
640 JACKSON ST
SAINT PAUL, MN 551012502
Phone: (651) 254-5529
Fax: (651) 254-3048
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-07-15
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190715001651 | I | Pulmonary Disease | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 155 | 73 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 105 | 71 | $0 |
| 94010 | Test to measure expiratory airflow and volume | 97 | 77 | $0 |
| 94729 | Test to examine how well the lungs exchange gases | 82 | 69 | $0 |
| 94726 | Test to determine lung volumes using sensors | 81 | 69 | $0 |
Insurance plans in this area (ZIP 55082)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MN | |
| Clinical Psychologist | MN | |
| Physician Assistant | MN | |
| Pediatric Medicine | MN | |
| O P T O M E T R Y | NJ | |
| Nurse Practitioner | MN | |
| Emergency Medicine | MN | |
| Family Practice | MN | |
| Family Practice | WI | |
| Cardiac Surgery, Thoracic Surgery, Vascular Surgery | MN |
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