MIKE A LEONIS (M.D., PH.D.) – Pediatric Transplant Hepatology Physician, NPI 1669402087
Pediatric Transplant Hepatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
863 GASTROENTEROLOGY in OH
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Provider Addresses for MIKE A LEONIS (M.D., PH.D.)
Euclid Avenue, Midtown, Asiatown, Cleveland, Cuyahoga County, Ohio, 44103, United States
CLEVELAND, OH 441950001
Phone: (216) 445-5893
Fax: (216) 444-2974
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 2 Open Payments records for all available years, with a total value of $139.
Total Amount is formed as General ($139) + Research ($0) + Ownership ($0) = $139.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Mirum Pharmaceuticals, Inc. ($139).
Total Amount
$139
General + Research + Ownership
Payments
2
Total payment records
General Amount
$139
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Mirum Pharmaceuticals, Inc. | $139 |
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: 2017-10-16
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 |
|---|---|---|---|---|
| I20090722000002 | I | Gastroenterology | OH | TBD |
| I20171016003138 | I | Gastroenterology | AL | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 44195)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NV | |
| Nephrology, Internal Medicine | OH | |
| - | OH | |
| - | MI | |
| Nurse Practitioner | OH | |
| General Surgery, Anesthesiology, Critical Care (Intensivists) | OH | |
| Certified Registered Nurse Anesthetist (Crna) | OH | |
| - | OH | |
| - | MN | |
| Nurse Practitioner | OH |
Reviews
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