Dr. Emily C. Mcduffee, DO, PHD
Hematology & Oncology (Hematology & Oncology Physician)
- Medicare participating
At a glance
- Years since graduation
- 16
- In the NPI registry since
- 2010
- Medicare patients seen, 2024
- 488
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2010Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Hematology & Oncology Physician primary
TN license 2324
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Memorial Healthcare System, Inc Chattanooga, TN
- Erlanger Medical Center Chattanooga, TN
Medical groups
- Tennessee Oncology PLLC (358 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 488
- Services billed
- 51,248
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Injection, ferric carboxymaltose, 1 mg | 18,000 | 17 |
| Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 3,580 | 12 |
| Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 2,500 | 25 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 596 | 148 |
| Insertion of needle into vein for collection of blood sample | 504 | 144 |
| Injection, dexamethasone sodium phosphate, 1 mg | 480 | 21 |
| Blood test, comprehensive group of blood chemicals | 453 | 145 |
| Established patient office or other outpatient visit, 40-54 minutes | 183 | 92 |
| Gammaglobulin (immune system protein) measurement | 150 | 28 |
| Established patient office or other outpatient visit, 30-39 minutes | 123 | 87 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Ondansetron Odt (ondansetron) Other prescribers in Chattanooga, TN | 82 |
| Prochlorperazine Maleate Other prescribers in Chattanooga, TN | 58 |
| Oxycodone Hcl Other prescribers in Chattanooga, TN | 52 |
| Letrozole Other prescribers in Chattanooga, TN | 51 |
| Dexamethasone Other prescribers in Chattanooga, TN | 48 |
| Eliquis (apixaban) Other prescribers in Chattanooga, TN | 33 |
| Anastrozole Other prescribers in Chattanooga, TN | 26 |
| Lidocaine-Prilocaine (lidocaine/prilocaine) Other prescribers in Chattanooga, TN | 26 |
| Gabapentin Other prescribers in Chattanooga, TN | 24 |
| Hydroxyurea Other prescribers in Chattanooga, TN | 24 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 11 companies reported 22 payments worth $450 in total to this clinician.
| Novartis Pharmaceuticals Corporation | $152 |
|---|---|
| E.r. Squibb & Sons, L.l.c. | $65.14 |
| Eisai Inc. | $41.93 |
| AbbVie Inc. | $31.27 |
| Daiichi Sankyo Inc. | $27.04 |
| Array Biopharma Inc | $25.08 |
| Merck Sharp & Dohme LLC | $24.85 |
| GlaxoSmithKline, LLC. | $23.64 |
| Food and Beverage | $430 |
|---|---|
| Education | $20.00 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Aveo Pharmaceuticals, Inc. Mar 21, 2025 | Education FOTIVDA · Oncology · in-kind | $20.00 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.