ELLEN F LIUZZA (MD) – Internal Medicine Physician, NPI 1437158920
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,527 INTERNAL MEDICINE in TN
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Provider Addresses for ELLEN F LIUZZA (MD)
100, Vermont Avenue, Jackson Square, Oak Ridge, Anderson County, Tennessee, 37830, United States
OAK RIDGE, TN 378306471
Phone: (865) 482-1777
Fax: (865) 482-1030
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 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2023-05-02 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $16 |
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: 2004-05-14
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 |
|---|---|---|---|---|
| I20040514000646 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 434 | 254 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 393 | 273 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 304 | 220 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 241 | 190 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 221 | 174 | $0 |
Insurance plans in this area (ZIP 37830)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TN | |
| Internal Medicine | TN | |
| Nurse Practitioner | TN | |
| Nurse Practitioner | TN | |
| Internal Medicine | TN | |
| Nurse Practitioner | TN | |
| Family Practice | TN | |
| - | TN | |
| Physician Assistant | TN | |
| Nurse Practitioner | TN |
Reviews
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