Hematology & Oncology in Montana
60 licensed hematologist-oncologists practicing in Montana across 23 cities.
This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.
Source: NPI Registry · last checked
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Click a city to filter the 50 providers shown below. Montana has providers in 23 cities total — search the full NPI Registry for cities not shown here.
NPI Registry records — Hematology & Oncology in Montana
35 of 50 shown have disclosed payments in CMS Open Payments (2024)
Showing 50 of 60 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.
Elise Anderes, MD
350 Heritage Way, Suite 1100
Kalispell, MT 59901 · (406) 752-8900
License: 18579 (MT)
Kamalesh Kumar Bala, MD
6387 Ramsey St Unit 140
Fayetteville, NC 28311 · (910) 615-3840
License: 2019-02784 (NC)
In 2024, $643 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($525) and entertainment ($118).
Largest single payer: Daiichi Sankyo Inc. ($525).
George N Batty, MD
27 Industrial Ave Ste 101
Sanford, ME 04073 · (207) 459-1666
License: MD472001 (PA)
In 2024, $127 was disclosed to this physician across 6 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($127).
Largest single payer: Daiichi Sankyo Inc. ($26).
William M Boehme, MD
350 Heritage Way, Suite 1100
Kalispell, MT 59901 · (406) 752-8900
License: 4056 (MT)
James M. Burke, MD
2825 8th Ave N
Billings, MT 59101 · (406) 238-2500
License: MED-PHYS-LIC-10938 (MT)
In 2023, $42 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($42).
Jennifer Marquita Carter, MD
1117 29th St S
Great Falls, MT 59405 · (406) 731-8888
License: 108650 (MT)
In 2024, $914 was disclosed to this physician across 54 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($834) and gifts ($80).
Largest single payer: Pfizer Inc. ($144).
David Christianson, MD
1315 Golden Valley Cir
Billings, MT 59102 · (406) 238-6290
License: 10533 (MT)
In 2023, $117 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($72) and gifts ($45).
In 2024, $1,391 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.
$96 was research funding (clinical-trial work); the remainder was entertainment ($1,294).
Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($591).
William A Conkright, MD
931 Highland Blvd Ste 3130
Bozeman, MT 59715 · (406) 414-5070
License: 118667 (MT)
In 2024, $542 was disclosed to this physician across 25 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($542).
Largest single payer: AstraZeneca Pharmaceuticals LP ($99).
In 2024, $15 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($15).
Largest single payer: AVEO Pharmaceuticals, Inc. ($15).
In 2023, $49 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly gifts ($49).
In 2024, $18 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($18).
Largest single payer: Bayer HealthCare Pharmaceuticals Inc. ($18).
In 2024, $2,481 was disclosed to this physician across 115 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($2,381) and gifts ($100).
Largest single payer: Janssen Biotech, Inc. ($303).
Mark Robert Hancock, MD
931 Highland Blvd Ste 3130
Bozeman, MT 59715 · (406) 414-3130
License: 104112 (MT)
In 2024, $1,430 was disclosed to this physician across 68 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($1,330) and gifts ($100).
Largest single payer: Janssen Biotech, Inc. ($304).
Hesham Hazin, MD
1 Professional Park Dr Ste 21
Johnson City, TN 37604 · (423) 232-6900
License: 72208 (TN)
In 2024, $1,272 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.
Mostly stock or ownership interest ($1,169) and entertainment ($103).
Largest single payer: Myriad Genetic Laboratories, Inc. ($1,169).
Kristina Marie Hool, MD
931 Highland Blvd Ste 3130
Bozeman, MT 59715 · (406) 414-5070
License: 58064 (MT)
In 2024, $17 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($17).
Largest single payer: Daiichi Sankyo Inc. ($17).
In 2024, $618 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($618).
Largest single payer: EMD Serono, Inc. ($161).
Karen J Hunt, MD
350 Heritage Way, Suite 1100
Kalispell, MT 59901 · (406) 752-8900
License: 9569 (MT)
Jessica Elizabeth Kaae, DO
1101 26th St S
Great Falls, MT 59405 · (406) 731-8888
License: 77117 (MT)
In 2024, $2,371 was disclosed to this physician across 76 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($2,371).
Largest single payer: Janssen Biotech, Inc. ($442).
Michael T Kidd, MD
801 N 29th St
Billings, MT 59101 · (406) 238-2500
License: MED-PHYS-LIC-39793 (MT)
In 2024, $63 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($48) and gifts ($15).
Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($30).
In 2024, $13 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($13).
Largest single payer: Alexion Pharmaceuticals, Inc. ($13).
In 2024, $1,307 was disclosed to this physician across 52 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($982) and gifts ($325).
Largest single payer: Sobi, Inc ($243).
In 2024, $94 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($94).
Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($47).
Barry Simpson Levinson, MD
225 Williamson St
Elizabeth, NJ 07202 · (908) 994-8772
License: 25MA08589700 (NJ)
In 2024, $74 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($74).
Largest single payer: Regeneron Healthcare Solutions, Inc. ($38).
Kiem Dian Liem, MD
3747 Worsham Ave Ste 101
Long Beach, CA 90808 · (562) 430-5900
License: A53159 (CA)
In 2023, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($21).
In 2023, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($21).
Martin Majer, MD
2809 Olive Hwy, Suite 150
Oroville, CA 95966 · (530) 538-3187
License: MED-PHYS-LIC-112718 (MT)
In 2024, $2,865 was disclosed to this physician across 97 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($2,433) and category 18 ($399).
Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($670).
Aurora S H Peck Norman, MD
500 W Broadway St
Missoula, MT 59802 · (406) 728-2539
License: MED-PHYS-LIC-165924 (MT)
Dustan C Osborn, MD, PHD
1201 Bishop Rd
Chehalis, WA 98532 · (360) 345-1381
License: MD00021486 (WA)
In 2023, $70 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($70).
Dhimant R Patel, MD
931 Highland Blvd Ste 3130
Bozeman, MT 59715 · (406) 414-5000
License: MED-PHYS-LIC-115062 (MT)
In 2024, $55 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($55).
Largest single payer: AstraZeneca Pharmaceuticals LP ($55).
Courtney Regan Wagner, MD
931 Highland Blvd Ste 3130
Bozeman, MT 59715 · (406) 414-5070
License: 89785 (MT)
In 2024, $509 was disclosed to this physician across 26 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($509).
Largest single payer: Pfizer Inc. ($69).
In 2024, $30 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($30).
Largest single payer: E.R. Squibb & Sons, L.L.C. ($30).
Ryan Perry Roop, MD
350 Heritage Way, Ste 1100a
Kalispell, MT 59901 · (406) 752-8900
License: 26186 (MT)
In 2024, $301 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($301).
Largest single payer: HISTOSONICS, INC. ($301).
Shenthol Sasankan, MD
Msc 11 6093 1 University of New Mexico
Albuquerque, NM 87131 · (505) 272-6225
License: RS2018-0402 (NM)
In 2024, $32 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($17) and gifts ($15).
Largest single payer: Acrotech Biopharma Inc. ($17).
In 2024, $173 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($173).
Largest single payer: Janssen Biotech, Inc. ($149).
Vincent Shen, MD
215 E Mansion St, Suite 2b
Marshall, MI 49068 · (269) 789-3940
License: 4301082993 (MI)
In 2024, $188 was disclosed to this physician across 9 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($188).
Largest single payer: Janssen Biotech, Inc. ($33).
In 2023, $949 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly meals and beverages ($949).
Karl Sorenson, MD
500 W Broadway St
Missoula, MT 59802 · (406) 728-2539
License: MED-PHYS-LIC-91688 (MT)
In 2023, $18 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($18).
Patrick Tang, MD
1117 29th St S, Benefis Sletten Cancer Center
Great Falls, MT 59405 · (406) 731-8200
License: 29006 (MT)
In 2024, $1,119 was disclosed to this physician across 73 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($1,035) and gifts ($84).
Largest single payer: Pfizer Inc. ($185).
Showing 50 of 60. Search all on NPI Registry →
Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.
Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.
What this page is: a republication of public federal NPI Registry records, filtered to the hematology & oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.
Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.
Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.
Source: NPI Registry (taxonomy: Hematology & Oncology) · Last checked: 2026-04-20