CancerDrs

Medical Oncology in Arizona

110 licensed medical oncologists practicing in Arizona across 45 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. Arizona has providers in 45 cities total — search the full NPI Registry for cities not shown here.

NPI Registry records — Medical Oncology in Arizona

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

Showing 50 of 110 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.

Rishi Agarwal, MD

10460 N 92nd St Ste 400

Scottsdale, AZ 85258 · (623) 238-7630

License: 65228 (AZ)

NPI 1750511051 →

In 2024, $318 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($318).

Largest single payer: Intuitive Surgical, Inc. ($139).

Itemized records on CMS Open Payments →

Nazish Ahmad, DO

5601 W Eugie Ave

Glendale, AZ 85304 · (602) 978-6255

License: 006390 (AZ)

NPI 1609187921 →

In 2024, $43,200 was disclosed to this physician across 203 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($20,695) and consulting fees ($13,095).

Largest single payer: Alexion Pharmaceuticals, Inc. ($19,291).

Itemized records on CMS Open Payments →

Carlos Eduardo Arce-Lara, MD

1876 E Sabin Dr Ste 10

Casa Grande, AZ 85122 · (520) 836-9800

License: 56083 (AZ)

NPI 1326265273 →

In 2024, $1,660 was disclosed to this physician across 23 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($989) and entertainment ($649).

Largest single payer: Genzyme Corporation ($1,039).

Itemized records on CMS Open Payments →

Waqas Arslan, MD

2525 E Roosevelt St

Phoenix, AZ 85008 · (602) 344-1015

License: 40427 (AZ)

NPI 1154369577 →

In 2024, $6,390 was disclosed to this physician across 118 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($3,375) and entertainment ($2,554).

Largest single payer: AstraZeneca Pharmaceuticals LP ($2,175).

Itemized records on CMS Open Payments →

Amir Azadi, MD

3621 N Wells Fargo Ave

Scottsdale, AZ 85251 · (623) 238-7600

License: 56511 (AZ)

NPI 1154615607 →

In 2024, $4,937 was disclosed to this physician across 38 transactions by pharmaceutical or medical-device companies.

Mostly consulting fees ($3,420) and entertainment ($1,517).

Largest single payer: Pfizer Inc. ($3,583).

Itemized records on CMS Open Payments →

Shakeela Wazeen Bahadur, MD

13400 E Shea Blvd

Scottsdale, AZ 85259 · (480) 301-8000

License: 44418 (AZ)

NPI 1922209063 →

In 2024, $734 was disclosed to this physician across 14 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($734).

Largest single payer: Gilead Sciences, Inc. ($517).

Itemized records on CMS Open Payments →

Puneet Bhalla, MD

695 S Dobson Rd

Chandler, AZ 85224 · (480) 821-2838

License: 30244 (AZ)

NPI 1336115542 →

In 2024, $1,544 was disclosed to this physician across 77 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,544).

Largest single payer: Pfizer Inc. ($195).

Itemized records on CMS Open Payments →

John Luis Bibb, MD

10460 N 92nd St # 200-400

Scottsdale, AZ 85258 · (623) 238-7630

License: 36673 (AZ)

NPI 1881733889 →

In 2023, $25 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($25).

Itemized records on CMS Open Payments →

Michael Arnold Bookman, MD

1515 N Campbell Ave, Room 1903

Tucson, AZ 85724 · (520) 626-3600

License: MD042886E (PA)

NPI 1972570836 →

In 2024, $73 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($73).

Largest single payer: GlaxoSmithKline, LLC. ($73).

Itemized records on CMS Open Payments →

Mitesh J Borad, MD

13400 E Shea Blvd

Scottsdale, AZ 85259 · (480) 301-8000

License: 34246 (AZ)

NPI 1801850573 →

In 2024, $8,171 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($7,956) and entertainment ($215).

Largest single payer: ModernaTX, Inc. ($4,898).

Itemized records on CMS Open Payments →

Erkut H. Borazanci, MD, MS

10510 N 92nd St Ste 100

Scottsdale, AZ 85258 · (480) 323-1350

License: 47856 (AZ)

NPI 1992972384 →

In 2024, $3,143 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($2,340) and meals and beverages ($614).

Largest single payer: Taiho Oncology, Inc. ($2,340).

Itemized records on CMS Open Payments →

Lamia Boric, MD

7200 W Bell Rd Bldg a

Glendale, AZ 85308 · (623) 487-4822

License: 59285 (AZ)

NPI 1689881898 →

In 2024, $136 was disclosed to this physician across 9 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($136).

Largest single payer: AbbVie Inc. ($136).

Itemized records on CMS Open Payments →

Gehan Botrus

4800 Alberta Ave

El Paso, TX 79905 · (915) 215-8000

License: BP10054490 (TX)

NPI 1275910911 →

In 2023, $1,100 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly charitable contributions ($1,100).

Itemized records on CMS Open Payments →

Gino Bottino, MD

1701 W Saint Marys Rd Ste 100

Tucson, AZ 85745 · (520) 276-2270

License: 55107 (CA)

NPI 1881705838 →

In 2024, $537 was disclosed to this physician across 17 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($537).

Largest single payer: AstraZeneca Pharmaceuticals LP ($186).

Itemized records on CMS Open Payments →

Isaac Alexander Bowman, MD

2946 E Banner Gateway Dr

Gilbert, AZ 85234 · (480) 256-6444

License: 62482 (AZ)

NPI 1891012852 →

In 2024, $2,378 was disclosed to this physician across 6 transactions by pharmaceutical or medical-device companies.

$940 was research funding (clinical-trial work); the remainder was charitable contributions ($1,210) and entertainment ($228).

Largest single payer: AVEO Pharmaceuticals, Inc. ($1,210).

Itemized records on CMS Open Payments →

Kevin Thomas Breen, MD

4955 Norton Healthcare Blvd

Louisville, KY 40241 · (502) 394-6350

License: 61150 (KY)

NPI 1790218451 →

Dennis Andrew Buck, DO

2500 E Hunt Dr Ste H-J

Show Low, AZ 85901 · (928) 537-6937

License: 011954 (AZ)

NPI 1114157195 →

In 2024, $171 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($171).

Largest single payer: AbbVie Inc. ($152).

Itemized records on CMS Open Payments →

Manpreet Kaur Chadha, MD

13041 N Del Webb Blvd Ste 200

Sun City, AZ 85351 · (623) 832-0300

License: 43242 (AZ)

NPI 1760632442 →

In 2024, $158 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($158).

Largest single payer: AbbVie Inc. ($67).

Itemized records on CMS Open Payments →

Marvin M Chassin, MD

1432 S Dobson Rd, 106

Mesa, AZ 85202 · (480) 969-3637

License: 10566 (AZ)

NPI 1669445441 →

Wendy Y Chen, DO

1521 E Tangerine Rd Ste 331

Oro Valley, AZ 85755 · (520) 276-2033

License: 006210 (AZ)

NPI 1659317469 →

In 2024, $1,216 was disclosed to this physician across 51 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,216).

Largest single payer: Janssen Biotech, Inc. ($255).

Itemized records on CMS Open Payments →

Ashish V Chintakuntlawar, MD, PHD

13400 E Shea Blvd

Scottsdale, AZ 85259 · (480) 301-8000

License: 72487 (AZ)

NPI 1356584262 →

Cecilia Choi, MD

40 Kupaoa St Unit B-204

Makawao, HI 96768 · (808) 500-3439

License: MD21200 (HI)

NPI 1558562371 →

In 2024, $780 was disclosed to this physician across 27 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($681) and gifts ($99).

Largest single payer: AstraZeneca Pharmaceuticals LP ($173).

Itemized records on CMS Open Payments →

Michael Andrew Choti, MD

5323 Harry Hines Blvd

Dallas, TX 75390 · (214) 645-4673

License: P9059 (TX)

NPI 1104878099 →

In 2024, $42 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($24) and gifts ($18).

Largest single payer: Ethicon US, LLC ($24).

Itemized records on CMS Open Payments →

Sarah Jean Conlon, MD

77 W Forest Ave Ste 301

Flagstaff, AZ 86001 · (928) 635-7307

License: 61836 (AZ)

NPI 1861425829 →

In 2024, $1,572 was disclosed to this physician across 66 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,572).

Largest single payer: Genmab U.S., Inc. ($174).

Itemized records on CMS Open Payments →

Tania Elie Cortas, MD

11209 N Tatum Blvd Ste 200

Phoenix, AZ 85028 · (480) 530-4200

License: 43662 (AZ)

NPI 1720293608 →

In 2024, $5,059 was disclosed to this physician across 213 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($5,048) and gifts ($11).

Largest single payer: Pfizer Inc. ($425).

Itemized records on CMS Open Payments →

Frank Eckhard Dalichow, MD

167 North Main Street

Tuba City, AZ 86045 · (928) 283-2501

License: 38677 (CT)

NPI 1194769315 →

In 2024, $186 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($186).

Largest single payer: AstraZeneca Pharmaceuticals LP ($106).

Itemized records on CMS Open Payments →

Sireesha Datla, MD

725 6th Ave S Ste 2200

St Petersburg, FL 33701 · (727) 821-0017

License: ME161713 (FL)

NPI 1275819526 →

In 2024, $2,969 was disclosed to this physician across 125 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($2,870) and category 18 ($100).

Largest single payer: Daiichi Sankyo Inc. ($272).

Itemized records on CMS Open Payments →

Farshid Dayyani, MD, PHD

101 the City Dr S

Orange, CA 92868 · (714) 456-8000

License: A125971 (CA)

NPI 1376710434 →

In 2024, $266,342 was disclosed to this physician across 157 transactions by pharmaceutical or medical-device companies.

Mostly consulting fees ($214,336) and charitable contributions ($28,005).

Largest single payer: Takeda Pharmaceuticals U.S.A., Inc. ($121,519).

Itemized records on CMS Open Payments →

Leona B Downey, MD

3838 N Campbell Ave

Tucson, AZ 85719 · (520) 626-4101

License: 32667 (AZ)

NPI 1427011147 →

Brenda Ernst, MD

13400 E Shea Blvd

Scottsdale, AZ 85259 · (480) 301-8000

License: 47384 (AZ)

NPI 1134449416 →

In 2023, $28 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($28).

Itemized records on CMS Open Payments →

Allan V. Espinosa Morazan, MD

5430 Landmark Ln

Prescott, AZ 86301 · (928) 775-9430

License: 61846 (AZ)

NPI 1225350788 →

In 2024, $7,391 was disclosed to this physician across 95 transactions by pharmaceutical or medical-device companies.

About 72% ($5,351) was research funding — payments for clinical-trial work, the rest was entertainment ($2,040).

Largest single payer: Eli Lilly and Company ($5,351).

Itemized records on CMS Open Payments →

William Bruce Ethridge, MD

1951 W 25th Street, Ste F

Yuma, AZ 85364 · (928) 314-1174

License: 12956 (AZ)

NPI 1205890530 →

James Irwin Ewing, MD

5810 W Beverly Ln

Glendale, AZ 85306 · (623) 312-3000

License: 47444 (AZ)

NPI 1689837601 →

In 2024, $5,495 was disclosed to this physician across 99 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($3,525) and entertainment ($1,970).

Largest single payer: BeiGene USA, Inc. ($1,969).

Itemized records on CMS Open Payments →

Nathaniel Fastenberg, MD

6111 E Arbor Ave

Mesa, AZ 85206 · (480) 981-1326

License: 11622 (AZ)

NPI 1417942905 →

Panagiotis Mihalis Fidias, MD

5 Alumni Dr

Exeter, NH 03833 · (603) 580-7054

License: 49332 (AZ)

NPI 1396735585 →

Morris H. Fine, MD

4090 N Painted Quail Pl

Tucson, AZ 85750 · (520) 751-4004

License: 4814 (AZ)

NPI 1548349707 →

Amber L Flaherty, MD

11209 N Tatum Blvd Ste B200

Phoenix, AZ 85028 · (480) 530-4200

License: 50181 (AZ)

NPI 1093008336 →

In 2024, $4,418 was disclosed to this physician across 196 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($4,343) and gifts ($75).

Largest single payer: Merck Sharp & Dohme LLC ($430).

Itemized records on CMS Open Payments →

Robert Gary Gagliano, MD

203 S Candy Ln, Suite 9a

Cottonwood, AZ 86326 · (928) 639-6299

License: 25096 (AZ)

NPI 1255322871 →

David H Garfield, MD

2601 N Spruce St

Ogallala, NE 69153 · (308) 284-3645

License: 17832 (NE)

NPI 1831167402 →

Charles Gaulin

1 Medical Center Dr

Lebanon, NH 03756 · (603) 650-5000

License: 31005 (NH)

NPI 1558724013 →

In 2024, $172 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($172).

Largest single payer: Pfizer Inc. ($115).

Itemized records on CMS Open Payments →

Justin M Goldfarb, DO

15000 N 83rd Ave Unit 300

Peoria, AZ 85381 · (623) 238-7490

License: BP10033466 (TX)

NPI 1215152723 →

In 2024, $3,368 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($3,075) and gifts ($175).

Largest single payer: BeiGene USA, Inc. ($2,550).

Itemized records on CMS Open Payments →

Christina M Gomez, MD

2946 E. Banner Gateway Dr

Gilbert, AZ 85234 · (480) 256-6444

License: 54760 (CT)

NPI 1679580997 →

Rajinder S. Grover, MD

7373 N Scottsdale Rd Ste E100

Scottsdale, AZ 85253 · (480) 941-1211

License: 48228 (AZ)

NPI 1376561225 →

In 2024, $2,373 was disclosed to this physician across 42 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,263) and charitable contributions ($1,110).

Largest single payer: AstraZeneca Pharmaceuticals LP ($1,130).

Itemized records on CMS Open Payments →

Gerald D Hagin, MD

2070 W Rudasill Rd Ste 130

Tucson, AZ 85704 · (520) 797-4468

License: 10570 (AZ)

NPI 1285606483 →

In 2024, $438 was disclosed to this physician across 19 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($438).

Largest single payer: AstraZeneca Pharmaceuticals LP ($92).

Itemized records on CMS Open Payments →

Maqbool Alam Halepota, MD

5601 W Eugie Ave Ste 106

Glendale, AZ 85304 · (602) 978-6255

License: 31459 (AZ)

NPI 1558384966 →

In 2024, $1,087 was disclosed to this physician across 43 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,087).

Largest single payer: AbbVie Inc. ($229).

Itemized records on CMS Open Payments →

Thorvardur R Halfdanarson, MD

200 1st St Sw

Rochester, MN 55905 · (507) 284-2511

License: 45995 (MN)

NPI 1083684187 →

In 2024, $17,812 was disclosed to this physician across 19 transactions by pharmaceutical or medical-device companies.

Mostly stock or ownership interest ($10,230) and charitable contributions ($5,600).

Largest single payer: Exelixis Inc. ($14,496).

Itemized records on CMS Open Payments →

Iyad Sami Hamarneh, MD

5430 Landmark Ln

Prescott, AZ 86301 · (928) 775-9430

License: 50867 (AZ)

NPI 1427268259 →

In 2024, $1,725 was disclosed to this physician across 78 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,626) and gifts ($99).

Largest single payer: Pfizer Inc. ($141).

Itemized records on CMS Open Payments →

Syed A Hassan, MD

8400 Washington Ave

Mount Pleasant, WI 53406 · (262) 884-8340

License: 66981 (WI)

NPI 1740572528 →

In 2023, $16 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($16).

Itemized records on CMS Open Payments →

Nageatte Ibrahim, MD

10510 N 92nd St Ste 200

Scottsdale, AZ 85258 · (480) 323-1350

License: MD450723 (PA)

NPI 1801802418 →

Jai Joshi, MD

1701 W. St. Mary's Road, Suite 100

Tucson, AZ 85745 · (520) 585-5800

License: 53903 (AZ)

NPI 1700849346 →

In 2023, $20 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly gifts ($20).

Itemized records on CMS Open Payments →

Showing 50 of 110. 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 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