Has Ramesh Ramanathan received payments from drug or device companies?

Yes. Drug and device makers reported $24,869 in general payments to Ramesh Ramanathan across 174 transactions between 2019–2025. Most Open Payments records nationally are meals worth under $20; a reported payment is not evidence of wrongdoing.

Does a payment mean Ramesh Ramanathan did something wrong?

No. Federal law requires drug and device makers to report almost every transfer of value to a physician, including a $14 sandwich at a lunch presentation. Consulting fees, research funding and royalties to device inventors are ordinary, legal parts of medicine. This site reports what was disclosed; it makes no allegation.

Where does this information about Ramesh Ramanathan come from?

The U.S. Centers for Medicare & Medicaid Services. Payments come from Open Payments, published under the Physician Payments Sunshine Act. Billing and prescribing figures come from the Medicare Physician & Other Practitioners and Part D Prescriber public use files for 2024.

Ramesh Ramanathan

Hematology & Oncology · Scottsdale, AZNPI 1427023548

Payments from drug & device makers

$24,869in general payments, 2019–2025

Across 174 payments — averaging $142.92 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

Ipsen Bioscience Inc.$8K
Exelixis Inc.$4K
Amgen$3K
Ipsen Biopharmaceuticals, Inc$2K
Merck$2K
AbbVie$2K
plus $4K from 43 others

$6,618in research payments, 2019–2025

Across 1 payment — averaging $6618.00 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.

Bristol Myers Squibb$7K

What the payments were for

Consulting fees$2,74430%
Speaking & faculty fees$2,17524%
Food & beverage$3,95244%
Education$1422%

General payments by program year

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.

Company	Payments	Total
Ipsen Bioscience Inc.	1	$7,750
Exelixis Inc.	4	$4,144
Amgen	1	$2,744
Ipsen Biopharmaceuticals, Inc	6	$2,418
Merck	14	$1,804
AbbVie	5	$1,589
Tesaro, Inc.	1	$950
AstraZeneca(2 entities)	18	$427
Novartis	15	$289
Astellas Pharma US Inc	8	$262
Johnson & Johnson(2 entities)	11	$223
Lilly USA, LLC	7	$192
Genentech USA, Inc.	7	$184
Incyte Corporation	7	$162
Eisai Inc.	7	$145
EMD Serono, Inc.	2	$142
Gilead	7	$139
Blueprint Medicines Corporation	5	$121
Jazz Pharmaceuticals Inc.	1	$103
Seagen Inc.	1	$99
Daiichi Sankyo Inc.	3	$81
Takeda Pharmaceuticals U.S.A., Inc.	4	$78
Bayer	4	$69
Tersera Therapeutics LLC	2	$64
Pharmacyclics LLC, An Abbvie Company	3	$59
GSK	2	$53
Springworks Therapeutics, Inc.	2	$45
ADC Therapeutics America, Inc.	2	$44
AVEO Pharmaceuticals, Inc.	2	$41
Coherus Oncology, Inc.	2	$37
Beigene USA, Inc.	1	$33
Genmab U.S., Inc.	1	$33
Mirati Therapeutics, Inc.	2	$27
Regeneron Healthcare Solutions, Inc.	1	$26
Rigel Pharmaceuticals, Inc.	1	$25
Bristol Myers Squibb	1	$24
Puma Biotechnology, Inc.	1	$24
Adaptive Biotechnologies Corporation	1	$23
Progenics Pharmaceuticals, Inc.	1	$23
Sun Pharmaceutical Industries Inc.	1	$21
Tempus AI, Inc	1	$19
Pharmacosmos Therapeutics Inc.	1	$19
E.r. Squibb & Sons, L.L.C.	1	$19
Novocure Inc.	1	$17
Boehringer Ingelheim	1	$16
Sanofi	1	$16
Pfizer	1	$15
Array Biopharma Inc	1	$15
Karyopharm Therapeutics Inc.	1	$13

What the payments were tied to

Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.

LUMAKRAS$2,744
ONIVYDE$2,333
Tepmetko$125
ZIIHERA$103

How this compares

$24,869 in reported general payments places this provider in the 45th percentile of 261 hematology & oncology providers in Arizona.

See all hematology & oncology providers in Arizona →

Other hematology & oncology in Scottsdale

Tanios Bekaii-SaabScottsdale$31.4M
Yousef ZakhariaScottsdale$13M
Parminder SinghScottsdale$9.7M
Michael GordonScottsdale$9.2M
Daniel AhnScottsdale$9.1M
Saurabh ChhabraScottsdale$6.5M
Mitesh BoradScottsdale$3.6M
Peter BergsagelScottsdale$3.6M
Cassandra MooreScottsdale$3.5M
Alexander StewartScottsdale$3.2M

See the full list for Arizona →

Where these figures come from

Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
Identity: NPPES NPI Registry, July 2026.

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