LEONID MIRONOVICH SHAMBAN (D.O.) – Gastroenterology Physician, NPI 1225398431
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
648 GASTROENTEROLOGY in MI
Provider Addresses for LEONID MIRONOVICH SHAMBAN (D.O.)
22250 Providence Dr Ste 301A
Southfield, MI 480756211
Phone: (248) 849-3281
Fax: (248) 849-5449
Type: Location
28963 LITTLE MACK AVE STE 101
SAINT CLAIR SHORES, MI 480813017
Phone: (586) 447-0700
Fax: (586) 447-0795
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 297 Open Payments records for all available years, with a total value of $8,184.
Total Amount is formed as General ($8,184) + Research ($0) + Ownership ($0) = $8,184.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Janssen Scientific Affairs, LLC ($1,701).
Total Amount
$8,184
General + Research + Ownership
Payments
297
Total payment records
General Amount
$8,184
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Scientific Affairs, LLC | $1,701 |
| ABBVIE INC. | $1,678 |
| Janssen Biotech, Inc. | $734 |
| Celgene Corporation | $642 |
| Takeda Pharmaceuticals U.S.A., Inc. | $570 |
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: 2016-07-08
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 |
|---|---|---|---|---|
| I20160708002060 | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 396 | 135 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 112 | 84 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 98 | 98 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 98 | 97 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 82 | 77 | $0 |
Insurance plans in this area (ZIP 48075)
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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 | |
| Physician Assistant | MI | |
| Nurse Practitioner | MI | |
| Nurse Practitioner | MI | |
| 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 | |
| G A S T R O E N T E R O L O G Y | MI | |
| - | MI | |
| 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 |
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