SAMUEL H. GUN (D.O.) – Gastroenterology Physician, NPI 1174584817
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
648 GASTROENTEROLOGY in MI
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Provider Addresses for SAMUEL H. GUN (D.O.)
Judith K. Moon, LMSW, ACSW LLC, 37399, Garfield Road, Clinton Township, Macomb County, Michigan, 48036, United States
SUITE 104
CLINTON TOWNSHIP, MI 480363672
Phone: (586) 286-5400
Fax: (586) 263-4831
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 252 Open Payments records for all available years, with a total value of $4,827.
Total Amount is formed as General ($4,827) + Research ($0) + Ownership ($0) = $4,827.
Last reported payment date: 2024-12-27 • Largest payer in this snapshot: ABBVIE INC. ($1,182).
Total Amount
$4,827
General + Research + Ownership
Payments
252
Total payment records
General Amount
$4,827
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,182 |
| Takeda Pharmaceuticals U.S.A., Inc. | $597 |
| Janssen Biotech, Inc. | $433 |
| Ardelyx, Inc. | $222 |
| Celgene Corporation | $190 |
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: 2010-10-20
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 |
|---|---|---|---|---|
| I20101020001095 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 133 | 133 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 129 | 127 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 89 | 75 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 73 | 73 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 54 | 44 | $0 |
Insurance plans in this area (ZIP 48036)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | MI | |
| G A S T R O E N T E R O L O G Y | MI | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| Gastroenterology, Internal Medicine | MI | |
| Gastroenterology, Internal Medicine | MI | |
| Nurse Practitioner | MI |
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