AMY B JENTZ (M.D.) – Surgery Physician, NPI 1831204601
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,444 GENERAL SURGERY in MI
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Provider Addresses for AMY B JENTZ (M.D.)
550, East Washington Street, Prairie, Ionia, Ionia Township, Ionia County, Michigan, 48846, United States
IONIA, MI 488462202
Phone: (616) 523-1630
Fax: (616) 523-1631
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 1 Open Payments records for all available years, with a total value of $21.
Total Amount is formed as General ($21) + Research ($0) + Ownership ($0) = $21.
Last reported payment date: 2023-03-01 • Largest payer in this snapshot: Medtronic, Inc. ($21).
Total Amount
$21
General + Research + Ownership
Payments
1
Total payment records
General Amount
$21
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $21 |
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: 2005-11-17
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 |
|---|---|---|---|---|
| I20051117000292 | I | General Surgery | 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 |
|---|---|---|---|---|
| G0121 | Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 17 | 17 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 48846)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MI | |
| - | MI | |
| Family Practice | MI | |
| Physician Assistant | MI | |
| Hospitalist, Internal Medicine | MI | |
| Certified Registered Nurse Anesthetist (Crna) | MI | |
| - | MI | |
| Orthopedic Surgery | MI | |
| Emergency Medicine | IL | |
| Clinical Social Worker | MI |
Reviews
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