SAMUEL H LEON (MD) – Gastroenterology Physician, NPI 1326010067
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
Provider Addresses for SAMUEL H LEON (MD)
PO BOX 14909
MINNEAPOLIS, MN 554140909
Phone: (612) 870-5557
Fax: (612) 870-5857
Type: Mailing
2160 S 1ST AVE
MAYWOOD, IL 601533328
Phone: (708) 216-9000
Type: Mailing
Egg & I, 2550, University Avenue West, Saint Paul, Ramsey County, Minnesota, 55114, United States
SUITE 423 SOUTH
SAINT PAUL, MN 551141052
Phone: (612) 870-5557
Fax: (612) 870-5857
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2025-05-19
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 |
|---|---|---|---|---|
| I20100515000026 | I | Gastroenterology | MN | TBD |
| I20250519001899 | I | Gastroenterology | IL | 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 | 128 | 83 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 71 | 68 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 57 | 52 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 51 | 49 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 44 | 42 | $0 |
Insurance plans in this area (ZIP 55414)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MN | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 28 | 27 |
| GASTROENTEROLOGY | MN | 45378 | Diagnostic examination of large bowel using an endoscope | 12 | 12 |
| GASTROENTEROLOGY | MN | 45385 | Removal of polyps or growths of large bowel using an endoscope | 43 | 43 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| - | IL | |
| N E U R O L O G Y | IL | |
| Family Practice | IL | |
| Internal Medicine, Pediatric Medicine | IL | |
| Hospitalist, Family Practice | TX | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL |
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