RxDoctor Payments Data

Namratha Vontela, MD

Hematology & Oncology · Oak Ridge, TNNPI 1619263852

Payments from drug & device makers

$989in general payments, 2019–2025

Across 50 payments — averaging $19.78 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • AstraZeneca$120
  • Novartis$112
  • Genentech USA, Inc.$109
  • Pfizer$109
  • Seagen Inc.$63
  • Morphosys, US Inc.$54
  • plus $422 from 15 others

What the payments were for

  • Food & beverage$94896%
  • Education$414%

Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.

General payments by program year

19
20
22
23
24
25

Who reported the general payments

Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.

How this compares

$989 in reported general payments places this provider in the 15th percentile of 251 hematology & oncology providers in Tennessee.

See all hematology & oncology providers in Tennessee

Medicare billing

Part B allowed, 2024
$92,815
Medicare patients
353
Services billed
1,839

What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.

Most prescribed under Part D

DrugClaimsCost to plans & patients
EliquisApixaban90$68,939
Ondansetron Hcl123$2,484
Anastrozole166$1,895
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen39$1,294
Naloxone Hcl13$944
Tamoxifen Citrate20$627
Letrozole51$617
Lidocaine-PrilocaineLidocaine/Prilocaine46$607
Dexamethasone19$606
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine17$376
Hydroxyurea33$372
Oxycodone Hcl22$332
Prochlorperazine Maleate17$309
Potassium Chloride21$230
Pantoprazole Sodium26$218

Paid to pharmacies, not to this prescriber.

Companies that both paid and supply prescribed drugs

These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.

CompanyPaid to this providerPart D cost of their drugs
PfizerEliquis$109$68,93990 claims

Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 15th percentile of 251 hematology & oncology providers in Tennessee.

Other hematology & oncology in Oak Ridge

See the full list for Tennessee

Where these figures come from

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