DR. JOHN MATTHEW HOLST (D.O.) – Emergency Medicine Physician, NPI 1669442406
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,171 EMERGENCY MEDICINE in MN
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Provider Addresses for DR. JOHN MATTHEW HOLST (D.O.)
Essentia Health Saint Mary's Medical Center, 407, East 3rd Street, Duluth, Saint Louis County, Minnesota, 55805, United States
ESSENTIA HEALTH ST. MARY'S MEDICAL CENTER
DULUTH, MN 558051950
Phone: (218) 786-4357
Type: Mailing
ESSENTIA HEALTH DULUTH CLINIC SSB-5
400 E THIRD STREET
DULUTH, MN 558051951
Phone: (218) 786-3146
Type: Mailing
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: 2013-09-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-07-31 (1044 days ago).
Enrollment records
2
Earliest due date
2023-07-31
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 |
|---|---|---|---|---|
| I20130725000032 | I | Emergency Medicine | MN | 2023-07-31 |
| I20130923000139 | I | Emergency Medicine | WI | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 86 | 82 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 54 | 53 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 13 | 13 | $0 |
Insurance plans in this area (ZIP 55805)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | ND | |
| Physician Assistant | IA | |
| Physician Assistant | MN | |
| Nurse Practitioner | MN | |
| Emergency Medicine, Medical Toxicology | ND | |
| Emergency Medicine | MN | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | MN | |
| - | WI | |
| Emergency Medicine | MN | |
| Physician Assistant | SC |
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