Medical Oncology in Montana
26 licensed medical oncologists practicing in Montana across 20 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
Filter by city
Click a city to filter the 26 providers shown below.
NPI Registry records — Medical Oncology in Montana
20 of 26 shown have disclosed payments in CMS Open Payments (2024)
Showing 26 of 26 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.
In 2024, $178 was disclosed to this physician across 8 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($178).
Largest single payer: Celgene Corporation ($63).
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).
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).
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, $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).
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).
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).
Shin Yin Lee, MD
525 Bob Peters Grv Ste 202
Colorado Springs, CO 80909 · (719) 365-6568
License: 341051 (MT)
In 2024, $32 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($32).
Largest single payer: Celgene Corporation ($32).
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).
Siobhan P Lynch, MD
2837 Fort Missoula Rd
Missoula, MT 59804 · (406) 327-3911
License: MED-PHYS-LIC-52620 (MT)
In 2023, $23 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($23).
In 2024, $219 was disclosed to this physician across 13 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($219).
Largest single payer: AbbVie Inc. ($52).
Kenneth Francis May, MD, PHD
931 Highland Blvd, Suite 3130
Bozeman, MT 59715 · (406) 414-3130
License: 18060 (MT)
In 2023, $329 was disclosed to this physician across 17 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($329).
In 2023, $24 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($24).
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).
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).
Kara Mirski Schenk, MD
931 Highland Blvd Ste 3130
Bozeman, MT 59715 · (406) 414-3130
License: MED-PHYS-LIC-125819 (MT)
In 2024, $3,167 was disclosed to this physician across 32 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($2,370) and entertainment ($699).
Largest single payer: E.R. Squibb & Sons, L.L.C. ($2,425).
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).
Justin Daniel Thomas, MD
931 Highland Blvd Ste 3130
Bozeman, MT 59715 · (406) 414-5070
License: 12523 (MT)
In 2024, $1,147 was disclosed to this physician across 52 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($1,049) and gifts ($98).
Largest single payer: Janssen Biotech, Inc. ($423).
Nutan Jyothi Vaz, MD
11850 Blackfoot St Nw Ste 300
Coon Rapids, MN 55433 · (763) 236-0808
License: 78892 (MN)
Harry Sandoval Yu, MD
1750 Al Highway 157
Cullman, AL 35058 · (256) 255-2500
License: 01078893A (IN)
In 2024, $3,192 was disclosed to this physician across 92 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($1,895) and category 18 ($1,196).
Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($1,320).
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 medical 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: Medical Oncology) · Last checked: 2026-04-20