DR. MARK ANDREW WELNICK (M.D.) – Diagnostic Radiology Physician, NPI 1255698221
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,650 DIAGNOSTIC RADIOLOGY in MI
Provider Addresses for DR. MARK ANDREW WELNICK (M.D.)
610 S Lincoln Rd
Escanaba, MI 498291215
Phone: (906) 786-6488
Fax: (906) 786-6409
Type: Location
2845 Greenbrier Rd
Green Bay, WI 543116519
Phone: (920) 288-4848
Fax: (920) 288-4956
Type: Location
440 Woodward Ave
Iron Mountain, MI 498014631
Phone: (906) 776-9040
Fax: (906) 774-7279
Type: Location
820 Arbutus Ave
Oconto, WI 541532004
Phone: (920) 835-1100
Fax: (920) 835-1099
Type: Location
2820 Roosevelt Rd
Marinette, WI 541433834
Phone: (715) 735-5225
Fax: (715) 735-5388
Type: Location
PO BOX 22487
GREEN BAY, WI 543052487
Phone: (920) 445-7222
Fax: (920) 445-7289
Type: Mailing
744 S WEBSTER AVE
GREEN BAY, WI 543013505
Phone: (920) 433-6084
Fax: (920) 445-7289
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 76 Open Payments records for all available years, with a total value of $21,339.
Total Amount is formed as General ($21,339) + Research ($0) + Ownership ($0) = $21,339.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Penumbra, Inc. ($14,605).
Total Amount
$21,339
General + Research + Ownership
Payments
76
Total payment records
General Amount
$21,339
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Penumbra, Inc. | $14,605 |
| Inari Medical, Inc. | $5,826 |
| W. L. Gore & Associates, Inc. | $366 |
| ShockWave Medical, Inc | $188 |
| Boston Scientific Corporation | $112 |
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: 2020-11-05
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 |
|---|---|---|---|---|
| I20191114000378 | I | Diagnostic Radiology | WI | TBD |
| I20201105000666 | I | Interventional Radiology | MI | 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 |
|---|---|---|---|---|
| 93880 | Ultrasound of both sides of head and neck blood flow | 137 | 137 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 106 | 103 | $0 |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 86 | 76 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 58 | 50 | $0 |
| 76706 | Ultrasound scan of abdominal aorta | 50 | 50 | $0 |
Insurance plans in this area (ZIP 49829)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| Physical Therapist In Private Practice | WI | |
| - | WI | |
| - | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| Nurse Practitioner | WA | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| Physical Therapist In Private Practice | WI |
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