JUSTIN GABRIEL HARTKE (M.D.) – Gastroenterology Physician, NPI 1154689685
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
382 GASTROENTEROLOGY in WI
Provider Addresses for JUSTIN GABRIEL HARTKE (M.D.)
411 WESTWOOD DR
WAUSAU, WI 544014152
Phone: (715) 847-2558
Fax: (715) 847-2557
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)
CMS reports 4 Open Payments records for all available years, with a total value of $70.
Total Amount is formed as General ($70) + Research ($0) + Ownership ($0) = $70.
Last reported payment date: 2023-10-23 • Largest payer in this snapshot: NESTLE HEALTHCARE NUTRITION INC. ($48).
Total Amount
$70
General + Research + Ownership
Payments
4
Total payment records
General Amount
$70
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| NESTLE HEALTHCARE NUTRITION INC. | $48 |
| Regeneron Healthcare Solutions, Inc. | $22 |
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: 2018-08-20
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20180820001506 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 84 | 84 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 68 | 66 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 45 | 45 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 34 | 31 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $0 |
Insurance plans in this area (ZIP 54401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| G A S T R O E N T E R O L O G Y | WI | |
| P A T H O L O G Y | WI | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| G A S T R O E N T E R O L O G Y | WI | |
| Gastroenterology, Internal Medicine, Geriatric Medicine | WI | |
| Nurse Practitioner | WI |
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