
Ask oncology subspecialists questions and get real-time input
Connect directly with 100+ oncology subspecialists through secure, one-on-one conversations. Free and exclusively for verified U.S. health care providers, with responses guaranteed within 24 hours.

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One-on-one input from subspecialists, because even the experts have questions
We connect providers like you with oncology subspecialists, so you can ask questions at no cost and make better-informed treatment decisions.

Instant access to top subspecialists
→ Browse by cancer type and connect instantly.
Whether you're facing a nuanced induction decision or weighing therapy sequences, you can quickly connect with national experts who live and breathe that disease. No referrals. No wait times.


Expert insights, not crowd opinions
→ Every response comes from a vetted subspecialist.
Every response comes from a vetted academic subspecialist actively practicing at leading institutions. No anonymous threads. Just direct, one-to-one input from someone who specializes in exactly what you need.

On the go or at your desk
→ Access via mobile or desktop, wherever decisions happen.
Clinical decisions don't wait for office hours. With Primum, you can draft an inquiry between patients, upload imaging from clinic, or review expert responses on the go.

Over 100+ sub-specialists, covering 90% of cancer types.
Select a Cancer Type to see Primum subspecialists in that area.
Heme
Solid
Browse All Specialists
Yazan Abou-Ismail
Focus Area: Heme
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Faiz Anwer
Focus Area: MM
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Shirin Attarian
Focus Area: H&N, Non-Melanoma
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Sonikpreet Aulakh
Focus Area: Neuro-Oncology
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Jacques Azzi
Focus Area: NHL, AML, CLL, ALL, DLBCL
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John Baird
Focus Area: NHL, DLBCL
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Rahul Banerjee
Focus Area: MM
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Pedro Barata
Focus Area: GU
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Arnab Basu
Focus Area: GU
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Sushil Beriwal
Focus Area: GU, Breast, GYN
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Sosipatros Boikos
Focus Area: Endocrine, Rare
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Andrew Branagan
Focus Area: WM, MM
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Adam Brufsky
Focus Area: Breast
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Elizabeth Buchbinder
Focus Area: Melanoma
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David Carbone
Focus Area: Lung
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Jimmy Caudell
Focus Area: H&N
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Hua-Jay "Jeff" Cherng
Focus Area: NHL, DLBCL, HL
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Toni Choueiri
Focus Area: GU
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Stacey Cohen
Focus Area: CRC
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Casey Cosgrove
Focus Area: GYN
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Emily Curran
Focus Area: ALL
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Sourat Darabi
Focus Area: Genomics
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Lukas Delasos
Focus Area: Lung
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Benjamin Derman
Focus Area: MM
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James C Dickerson
Focus Area: Breast
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Danai Dima
Focus Area: MM
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Salman Fazal
Focus Area: MPN, MDS, AML, CML
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Jonathan Feld
Focus Area: MDS, AML
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Eduardo Fernandez Hernandez
Focus Area: NHL, MM, HL
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Joseph Glaser
Focus Area: GU, GI
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Vishnukamal Golla
Focus Area: GU
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Lisa Hamilton
Focus Area: Breast
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Dwight E. Heron
Focus Area: Lung
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Thatcher Heumann
Focus Area: GI, Hepatobiliary, Pancreas
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Eric Jacobsen
Focus Area: NHL, CLL, DLBCL, HL
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Louis Jacques
Focus Area: Lung
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Nusrat Jahan
Focus Area: Breast
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Martin Johnston
Focus Area: PED - Onc, PED - Heme
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Shruti Jolly
Focus Area: Lung, GYN, Endocrine, Esophagus
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Virginia Kaklamani
Focus Area: Breast
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Suneel Kamath
Focus Area: GI, Esophagus, Hepatobiliary, CRC
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Ali Khaki
Focus Area: GU
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Rafiullah Khan
Focus Area: MM
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Sandeep J. Khandhar
Focus Area: Lung
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Goetz Kloecker
Focus Area: Lung
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John Kresl
Focus Area: GU, Lung, Breast, CNS
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Matthew Kurian
Focus Area: Breast
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Andrew Kuykendall
Focus Area: MPN, MDS
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Hugo Lara-Martinez
Focus Area: Heme
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Hannah Levavi
Focus Area: ALL
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Nerea Lopetegui-Lia
Focus Area: Breast
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Emil Lou
Focus Area: CRC, GI, Hepatobiliary, Pancreas, Esophagus, CNS, NeN
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Janice Lyons
Focus Area: Breast
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Rachel Mador-House
Focus Area: Genomics, Breast
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Reshma Mahtani
Focus Area: Breast
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Hillary Maitland
Focus Area: Heme
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James Martin
Focus Area: Heme
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Anastasia Martynova
Focus Area: Breast
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Manni Mohyuddin
Focus Area: MM
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Alberto Montero
Focus Area: Breast
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Jason Mouabbi
Focus Area: Breast
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Raja Mudad
Focus Area: Lung
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Moaath Mustafa Ali
Focus Area: MPN, MDS, AML, CML, ALL
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Nellie Nafissi
Focus Area: Breast
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Mayur Narkhede
Focus Area: NHL, CLL, DLBCL, HL
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Leonard Naymagon
Focus Area: Heme
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Kyle Neale
Focus Area: PC
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Caspian Oliai
Focus Area: AML, CLL, NHL, MDS, CML
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Daniel Olson
Focus Area: Melanoma
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Vivek Patel
Focus Area: NHL, DLBCL
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Tony Philip
Focus Area: Esophagus
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Tycel Phillips
Focus Area: NHL, DLBCL, HL
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Javier Pinilla
Focus Area: CLL, CML
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Louis Potters
Focus Area: GU
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Salman Punekar
Focus Area: Lung
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Joshua Richter
Focus Area: MM
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Huzaifah Salat
Focus Area: Lung
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Joel Saltzman
Focus Area: GI
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Lee Schwartzberg
Focus Area: Breast
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Nagashree Seetharamu
Focus Area: H&N
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Jonah Shulman
Focus Area: NHL, CLL, DLBCL
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Alan Skarbnik
Focus Area: CLL, DLBCL
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Ruchika Talwar
Focus Area: GU
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Bicky Thapa
Focus Area: GU
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Thejus Thayyil Jayakrishnan
Focus Area: GI, Esophagus, Hepatobiliary, CRC, Pancreas
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Douglas Tremblay
Focus Area: AML
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Samuel Urrutia
Focus Area: MDS, AML
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Muthu Veeraputhiran
Focus Area: NHL, AML, CLL, DLBCL
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Eric Vick
Focus Area: AML
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Benjamin Weinberg
Focus Area: GI, CRC, Pancreas
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Basem William
Focus Area: NHL, HL
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Jennifer Witt
Focus Area: Breast
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Brent Xia
Focus Area: GI, Hepatobiliary, Pancreas
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Andrew Yee
Focus Area: MM
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Patients are always impressed when I mention I corresponded with an outside expert. It also makes me feel more confident.
— Oncology Provider
I strictly follow the NCCN and ASCO guidelines, yet lymphoma and myeloma still require a lot of judgment. There is a wide range for discretion in therapeutic decision-making and drug selection.
— Oncology Provider