MICHAEL DOUGLAS LEAHY (MD) – Internal Medicine Physician, NPI 1285678607
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,526 INTERNAL MEDICINE in TN
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Provider Addresses for MICHAEL DOUGLAS LEAHY (MD)
1225, East Weisgarber Road, Timbercrest, Knoxville, Knox County, Tennessee, 37909, United States
STE 200
KNOXVILLE, TN 379092604
Phone: (865) 584-4747
Type: Mailing
Granville Conner Road, Powell Heights, Mayview Heights, Powell, Knox County, East Tennessee, Tennessee, 37849, United States
POWELL, TN 37849
Phone: (865) 546-9751
Fax: (865) 362-6681
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $76.
Total Amount is formed as General ($76) + Research ($0) + Ownership ($0) = $76.
Last reported payment date: 2024-10-14 • Largest payer in this snapshot: BTG International, Inc. ($38).
Total Amount
$76
General + Research + Ownership
Payments
3
Total payment records
General Amount
$76
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| BTG International, Inc. | $38 |
| ABBVIE INC. | $20 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $17 |
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: 2010-02-10
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 |
|---|---|---|---|---|
| I20100210000258 | I | Internal Medicine | TN | 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 37909)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | TN | 83036 | Hemoglobin A1C level | 255 | 101 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | TN | |
| - | TN | |
| Thoracic Surgery | AL | |
| - | TN | |
| - | TN | |
| - | TN | |
| P O D I A T R Y | TN | |
| - | TN | |
| General Surgery | TN | |
| - | TN |
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