MARK L. GRIM (M.D.) – Anesthesiology Physician, NPI 1609843911
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
969 ANESTHESIOLOGY in MN
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Provider Addresses for MARK L. GRIM (M.D.)
400, East 3rd Street, Duluth, Saint Louis County, Minnesota, 55805, United States
DULUTH, MN 55805
Phone: (218) 786-8364
Mailing address matches the actual address.
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: 2008-04-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040702000529 | I | Anesthesiology | MN | TBD |
| I20080430000570 | I | Anesthesiology | WI | 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 |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 17 | 17 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 15 | 15 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 11 | 11 | $0 |
Insurance plans in this area (ZIP 55805)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | MT | |
| - | ND | |
| Physician Assistant | MN | |
| Nurse Practitioner | SD | |
| - | MN | |
| Qualified Audiologist | MN | |
| - | MN | |
| - | MN | |
| P A T H O L O G Y | WV | |
| Family Practice | MN |
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