CancerDrs

Radiation Oncology in Colorado

134 licensed radiation oncologists practicing in Colorado across 48 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. Colorado has providers in 48 cities total — search the full NPI Registry for cities not shown here.

NPI Registry records — Radiation Oncology in Colorado

33 of 50 shown have disclosed payments in CMS Open Payments (2024)

Showing 50 of 134 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.

Mohit Shiv Agarwal, MD

615 Fairhurst St

Sterling, CO 80751 · (970) 399-5607

License: DR.0071488 (CO)

NPI 1609371459 →

In 2024, $258 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($258).

Largest single payer: Novocure Inc. ($182).

Itemized records on CMS Open Payments →

Jeffrey Martin Albert, MD

11750 W 2nd Pl Ste 150

Lakewood, CO 80228 · (720) 321-8800

License: DR.0052095 (CO)

NPI 1003166109 →

In 2024, $188 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($188).

Largest single payer: Sumitomo Pharma America, Inc. ($93).

Itemized records on CMS Open Payments →

Arya Amini, MD

1500 E. Duarte Road

Duarte, CA 91010 · (626) 256-4673

License: A148496 (CA)

NPI 1487910774 →

In 2024, $30,522 was disclosed to this physician across 20 transactions by pharmaceutical or medical-device companies.

Mostly consulting fees ($23,845) and charitable contributions ($3,586).

Largest single payer: AstraZeneca Pharmaceuticals LP ($28,903).

Itemized records on CMS Open Payments →

Eric Anderson

2000 Boise Ave

Loveland, CO 80538 · (970) 820-4640

License: DR.0068692 (CO)

NPI 1659722353 →

In 2024, $602 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($364) and meals and beverages ($138).

Largest single payer: Siemens Medical Solutions USA, Inc. ($138).

Itemized records on CMS Open Payments →

Andrew Gordon Antell, MD

4715 Arapahoe Ave

Boulder, CO 80303 · (303) 385-2000

License: 37539 (CO)

NPI 1508840158 →

Jack Ryan Bagley, MD

2596 F Rd

Grand Junction, CO 81505 · (970) 254-3180

License: DR.0055700 (CO)

NPI 1225355670 →

In 2024, $90 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($90).

Largest single payer: Celgene Corporation ($29).

Itemized records on CMS Open Payments →

Brock Baker, MD

1 Mercado St Ste 100cc

Durango, CO 81301 · (970) 385-4746

License: DR.0065455 (CO)

NPI 1306397849 →

In 2024, $35 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly gifts ($35).

Largest single payer: Pfizer Inc. ($35).

Itemized records on CMS Open Payments →

Ari P Ballonoff, MD

1375 E 19th Ave

Denver, CO 80218 · (303) 338-4545

License: 046364 (CO)

NPI 1689720260 →

In 2024, $173 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($173).

Largest single payer: Medtronic, Inc. ($151).

Itemized records on CMS Open Payments →

Nathan Ronald Bennion, MD

515 S 48th St

Omaha, NE 68198 · (402) 559-5600

License: 30001 (NE)

NPI 1336402874 →

In 2023, $86 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($86).

Itemized records on CMS Open Payments →

Ajay Bhatnagar, MD

500 University Dr

Hershey, PA 17033 · (717) 531-8024

License: 425112 (PA)

NPI 1417161704 →

In 2024, $10,346 was disclosed to this physician across 39 transactions by pharmaceutical or medical-device companies.

Mostly stock or ownership interest ($6,900) and entertainment ($3,446).

Largest single payer: Bard Peripheral Vascular, Inc. ($7,459).

Itemized records on CMS Open Payments →

Christina Binder, MD

1 Mercado St Ste 100cc

Durango, CO 81301 · (970) 385-4746

License: DR.0066372 (CO)

NPI 1922412485 →

In 2024, $142 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($107) and gifts ($35).

Largest single payer: Pfizer Inc. ($75).

Itemized records on CMS Open Payments →

David Binder, MD

1665 Aurora Ct

Aurora, CO 80045 · (720) 848-0100

License: DR.0068983 (CO)

NPI 1629463153 →

In 2023, $175 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly charitable contributions ($175).

Itemized records on CMS Open Payments →

Meghan E Blake, MD

1906 Blake Ave

Glenwood Springs, CO 81601 · (970) 447-4065

License: A98185 (CA)

NPI 1528025749 →

Dustin Lee Boothe, MD

1800 15th St Ste a

Greeley, CO 80631 · (970) 820-5941

License: DR.0060291 (CO)

NPI 1700128154 →

In 2024, $39,324 was disclosed to this physician across 21 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($38,238) and entertainment ($806).

Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($38,728).

Itemized records on CMS Open Payments →

Michael Harold Bryant, MD

1008 Minnequa Ave

Pueblo, CO 81004 · (719) 560-4000

License: 18762 (CO)

NPI 1558327288 →

Steven E Bush, MD

1 Mercado St, Suite 100

Durango, CO 81301 · (970) 385-4746

License: DR.0026605 (CO)

NPI 1780687889 →

Dennis L Carter, MD

1700 S Potomac St

Aurora, CO 80012 · (303) 418-7600

License: DR.0039243 (CO)

NPI 1740264480 →

In 2024, $95 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($95).

Largest single payer: Pfizer Inc. ($42).

Itemized records on CMS Open Payments →

Elizabeth Ann Ceilley, MD

11750 W 2nd Pl Ste 150

Lakewood, CO 80228 · (720) 321-8800

License: 40585 (CO)

NPI 1629016100 →

In 2024, $348 was disclosed to this physician across 9 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($348).

Largest single payer: Medtronic, Inc. ($172).

Itemized records on CMS Open Payments →

Changhu Chen, MD

200 Exempla Cir

Lafayette, CO 80026 · (303) 338-4545

License: DR.0041292 (CO)

NPI 1336256171 →

In 2023, $125 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($125).

Itemized records on CMS Open Payments →

Mark A Chidel, MD

1375 E 19th Ave

Denver, CO 80218 · (303) 338-4545

License: 40739 (CO)

NPI 1780711366 →

Daniel T Chin, MD

8820 Huron St

Thornton, CO 80260 · (303) 386-7622

License: 30437 (CO)

NPI 1356325096 →

In 2024, $30 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($30).

Largest single payer: AbbVie Inc. ($30).

Itemized records on CMS Open Payments →

Eugene I Chung, MD

4567 E 9th Ave

Denver, CO 80220 · (303) 338-4545

License: DR.0057091 (CO)

NPI 1285834945 →

In 2024, $640 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($640).

Largest single payer: Medtronic, Inc. ($263).

Itemized records on CMS Open Payments →

Jonathan Clark

1 Mercado St, Suite 100

Durango, CO 81301 · (970) 385-4746

License: 52225 (CO)

NPI 1548497407 →

MaCkenzie D Daly, MD

12605 E 16th Ave

Aurora, CO 80045 · (720) 848-0000

License: DR.0065450 (CO)

NPI 1215022611 →

In 2024, $115 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($115).

Largest single payer: Regeneron Healthcare Solutions, Inc. ($115).

Itemized records on CMS Open Payments →

William E Daniel, MD

1700 S Potomac St

Aurora, CO 80012 · (303) 418-7600

License: 18104 (CO)

NPI 1679557318 →

Anna-Maria Alicia De Costa, MD, PHD

4200 Beckner Rd

Santa Fe, NM 87507 · (505) 477-2200

License: DR.0061777 (CO)

NPI 1407261522 →

In 2024, $214 was disclosed to this physician across 9 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($214).

Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($88).

Itemized records on CMS Open Payments →

Christopher Ryan Deig, MD

1721 E 19th Ave, #520

Denver, CO 80218 · (812) 449-1243

License: MD202827 (OR)

NPI 1043743883 →

In 2024, $127 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($127).

Largest single payer: Boston Scientific Corporation ($127).

Itemized records on CMS Open Payments →

Vishal Ramesh Dhere, MD

11750 W 2nd Pl Ste 150

Lakewood, CO 80228 · (720) 321-8800

License: DR.0075756 (CO)

NPI 1568995223 →

In 2024, $1,462 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.

Mostly meals and beverages ($978) and entertainment ($484).

Largest single payer: Boston Scientific Corporation ($1,462).

Itemized records on CMS Open Payments →

Gregg Alan Dickerson, MD

1514 E Union St

Greenville, MS 38703 · (662) 332-6150

License: 47586 (CO)

NPI 1699777854 →

In 2024, $61 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($61).

Largest single payer: Genmab U.S., Inc. ($21).

Itemized records on CMS Open Payments →

Kaleigh Doke, MD

525 Bob Peters Grv

Colorado Springs, CO 80909 · (719) 365-6800

License: DR.0062595 (CO)

NPI 1407261290 →

Paige Leigh Dorn, MD

4567 E 9th Ave

Denver, CO 80220 · (303) 338-4545

License: 57950 (CO)

NPI 1679740914 →

Mark Dziemianowicz, MD

1801 16th St

Greeley, CO 80631 · (970) 810-3894

License: DR0072435 (CO)

NPI 1154776029 →

In 2024, $168 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($168).

Largest single payer: Elekta, Inc. ($88).

Itemized records on CMS Open Payments →

Mark A Edson, MD, PHD

10101 Ridgegate Pkwy

Lone Tree, CO 80124 · (303) 338-4545

License: 0056393 (CO)

NPI 1447543582 →

In 2024, $185 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($185).

Largest single payer: Siemens Medical Solutions USA, Inc. ($185).

Itemized records on CMS Open Payments →

Kareem R Fakhoury, MD

1401 Foucher St Fl 1

New Orleans, LA 70115 · (504) 897-8387

License: 336480 (LA)

NPI 1467956375 →

In 2024, $356 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($356).

Largest single payer: Teleflex LLC ($356).

Itemized records on CMS Open Payments →

Christine Megan Fisher, MD

12605 E 16th Ave

Aurora, CO 80045 · (720) 848-0000

License: 49916 (CO)

NPI 1265643597 →

Subashini T Furman, MD

310 E 24th St

Cheyenne, WY 82001 · (307) 634-9311

License: 10378A (WI)

NPI 1366508814 →

Christina T Gamboa, MD

1801 16th St

Greeley, CO 80631 · (970) 810-3894

License: M-14142 (ID)

NPI 1144563370 →

Barry Lee Gardner, MD

1644 Medical Center Pt, Suite 100

Colorado Springs, CO 80907 · (719) 247-5500

License: 44618 (CO)

NPI 1033197231 →

In 2024, $500 was disclosed to this physician across 22 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($500).

Largest single payer: Pfizer Inc. ($91).

Itemized records on CMS Open Payments →

Laurie Gaspar, MD

1800 15th St Ste a

Greeley, CO 80631 · (970) 810-3894

License: 37878 (CO)

NPI 1073620811 →

Lucas Gilbride, MD

750 Wellington Ave

Grand Junction, CO 81501 · (970) 298-2273

License: DR.0062801 (CO)

NPI 1891109559 →

In 2024, $109 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($109).

Largest single payer: Siemens Medical Solutions USA, Inc. ($70).

Itemized records on CMS Open Payments →

Gobind Singh Gill, MD

619 19th St S

Birmingham, AL 35233 · (205) 934-4011

License: MD.48931 (AL)

NPI 1093277824 →

In 2024, $102 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($102).

Largest single payer: Novocure Inc. ($73).

Itemized records on CMS Open Payments →

Jeffrey Scott Gilroy, MD

799 E Hampden Ave Ste 430

Englewood, CO 80113 · (303) 733-8848

License: DR.0049535 (CO)

NPI 1538177514 →

In 2024, $43 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($43).

Largest single payer: Elekta, Inc. ($26).

Itemized records on CMS Open Payments →

Karyn A Goodman, MD

1665 Aurora Ct, Suite 1032

Aurora, CO 80045 · (720) 848-0909

License: 219411-1 (CA)

NPI 1275670671 →

In 2024, $274 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($274).

Largest single payer: ARRAY BIOPHARMA INC ($139).

Itemized records on CMS Open Payments →

Bruce David Greene, MD

1906 Blake Ave

Glenwood Springs, CO 81601 · (970) 945-6535

License: 44277 (CO)

NPI 1437166139 →

Eric T Gross, MD

695 S Dobson Rd

Chandler, AZ 85224 · (480) 821-2838

License: 46201 (CO)

NPI 1336135516 →

In 2024, $761 was disclosed to this physician across 30 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($761).

Largest single payer: Takeda Pharmaceuticals U.S.A., Inc. ($98).

Itemized records on CMS Open Payments →

Joshua Gruhl, MD

8820 Huron St

Thornton, CO 80260 · (303) 386-7622

License: MD61145457 (WA)

NPI 1982068086 →

In 2024, $1,036 was disclosed to this physician across 37 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,036).

Largest single payer: Telix Pharmaceuticals ($149).

Itemized records on CMS Open Payments →

Mark B Hazuka, MD

2222 N Nevada Ave Ste Cc101

Colorado Springs, CO 80907 · (719) 776-5281

License: 26111 (CO)

NPI 1750361259 →

Charlotte Helen Heron, MD

12631 E 17th Ave

Aurora, CO 80045 · (303) 724-2680

License: DR.0073387 (CO)

NPI 1700464674 →

Kathryn T Howell, MD

1800 Williams St, Ste 100

Denver, CO 80218 · (303) 839-6530

License: 26867 (CO)

NPI 1811971542 →

Matthew Wayne Jackson, MD

2121 E Harmony Rd Unit 160

Fort Collins, CO 80528 · (970) 482-3328

License: DR.0070527 (CO)

NPI 1821359795 →

In 2024, $24 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($24).

Largest single payer: E.R. Squibb & Sons, L.L.C. ($24).

Itemized records on CMS Open Payments →

Showing 50 of 134. 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 radiation 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: Radiation Oncology) · Last checked: 2026-04-20