CancerDrs

Hematology & Oncology in Rhode Island

119 licensed hematologist-oncologists practicing in Rhode Island across 36 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. Rhode Island has providers in 36 cities total — search the full NPI Registry for cities not shown here.

NPI Registry records — Hematology & Oncology in Rhode Island

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

Showing 50 of 119 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.

Hussein Abu-Hashish, MD

825 Chalkstone Ave

Providence, RI 02908 · (401) 456-2000

License: LP06432 (RI)

NPI 1154908093 →

Rami K Abumasmah, MD

855 N Westhaven Dr

Oshkosh, WI 54904 · (920) 456-7870

License: 2457 (WI)

NPI 1972779551 →

In 2023, $98 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($98).

Itemized records on CMS Open Payments →

Khaja N Ahmed, MD, CHE

830 Chalkstone Ave, Va Medical Center

Providence, RI 02908 · (401) 273-7100

License: 4301038233 (MI)

NPI 1851308209 →

Muhammad Saeed Akhtar, MD

999 S Broadway Ste 200

East Providence, RI 02914 · (401) 438-7778

License: MD09655 (RI)

NPI 1548238918 →

In 2024, $1,503 was disclosed to this physician across 66 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,503).

Largest single payer: Rigel Pharmaceuticals, Inc. ($193).

Itemized records on CMS Open Payments →

Ogheneyoma Akpoviroro-Sauers, MD

825 Chalkstone Ave

Providence, RI 02908 · (401) 456-2000

License: LP06422 (RI)

NPI 1275111676 →

Sylvia Vania Alarcon Velasco, MD

100 Kenyon Ave

Wakefield, RI 02879 · (401) 783-6670

License: MD20186 (RI)

NPI 1083097091 →

Khaldoun Almhanna, MD, MPH

593 Eddy St

Providence, RI 02903 · (401) 444-5435

License: MD16197 (RI)

NPI 1790977650 →

In 2024, $134 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($134).

Largest single payer: Astellas Pharma US Inc ($134).

Itemized records on CMS Open Payments →

Alvaro Alvarez Soto

593 Eddy St

Providence, RI 02903 · (401) 444-5435

License: MD20438 (RI)

NPI 1558922674 →

Matthew Austin

20 York St., Department of Medicine

New Haven, CT 06510 · (203) 688-4242

License: MD15821 (RI)

NPI 1730591397 →

In 2024, $1,448 was disclosed to this physician across 14 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($867) and meals and beverages ($581).

Largest single payer: Stryker Corporation ($1,448).

Itemized records on CMS Open Payments →

Veena Balakrishnan Iyer

450 Brookline Ave

Boston, MA 02215 · (617) 632-3000

License: 285981 (MA)

NPI 1770836413 →

Peter Michael Barth, MD

593 Eddy St

Providence, RI 02903 · (401) 444-5435

License: MD15538 (RI)

NPI 1124382445 →

In 2024, $150 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly charitable contributions ($150).

Largest single payer: Janssen Scientific Affairs, LLC ($150).

Itemized records on CMS Open Payments →

Alexander Belkin, MD

165 Tor Ct

Pittsfield, MA 01201 · (413) 443-6000

License: 1021083 (MA)

NPI 1346701653 →

In 2024, $1,716 was disclosed to this physician across 27 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($1,526) and gifts ($190).

Largest single payer: Janssen Biotech, Inc. ($373).

Itemized records on CMS Open Payments →

Ariel E. Birnbaum, MD

593 Eddy St

Providence, RI 02903 · (401) 444-5391

License: MD11527 (RI)

NPI 1942212790 →

In 2024, $685 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

$439 was research funding (clinical-trial work); the remainder was consulting fees ($200) and entertainment ($46).

Largest single payer: Regeneron Pharmaceuticals, Inc. ($439).

Itemized records on CMS Open Payments →

Theodor Borgovan, MD

593 Eddy St

Providence, RI 02903 · (401) 444-5435

License: MD16010 (RI)

NPI 1619397676 →

In 2023, $185 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($185).

Itemized records on CMS Open Payments →

Rimini A Breakstone, MD

11 Friendship St

Newport, RI 02840 · (401) 846-6400

License: MD13321 (RI)

NPI 1710103536 →

James N. Butera, MD

593 Eddy St, Apc 138

Providence, RI 02903 · (401) 444-5391

License: MD10310 (RI)

NPI 1790797538 →

In 2023, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly gifts ($21).

Itemized records on CMS Open Payments →

Morgan Candon

450 Brookline Ave

Boston, MA 02215 · (617) 632-3000

License: PA100422 (MA)

NPI 1770284168 →

Raymond F. Chaquette, MD

235 Plain St, Suite 203

Providence, RI 02905 · (401) 272-9880

License: MD06739 (RI)

NPI 1992706139 →

Gerald A Colvin, DO

100 Kenyon Ave

Wakefield, RI 02879 · (401) 783-6670

License: DO00536 (RI)

NPI 1417954199 →

In 2024, $43,960 was disclosed to this physician across 132 transactions by pharmaceutical or medical-device companies.

Mostly consulting fees ($31,251) and charitable contributions ($7,546).

Largest single payer: E.R. Squibb & Sons, L.L.C. ($16,380).

Itemized records on CMS Open Payments →

Maria Constantinou, MD

593 Eddy St, Apc Building

Providence, RI 02903 · (401) 444-5396

License: MD10436 (RI)

NPI 1407999444 →

Nathaniel Michael Cook, MD

537 Faunce Corner Rd

Dartmouth, MA 02747 · (508) 961-0710

License: 262843 (MA)

NPI 1487903472 →

In 2024, $107 was disclosed to this physician across 5 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($107).

Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($48).

Itemized records on CMS Open Payments →

James Crowley, MD

111 Brewster St, Department of Hematology/oncology

Pawtucket, RI 02860 · (401) 729-2241

License: MD04932 (RI)

NPI 1922081777 →

Zhu Jenny Cui, MD

593 Eddy Street Apc Main

Providence, RI 02903 · (401) 444-5435

License: MD20476 (RI)

NPI 1083177596 →

Matthew Leon Danish, MD

230 Waterford Pkwy S

Waterford, CT 06385 · (860) 444-3744

License: MD17184 (RI)

NPI 1639607245 →

In 2024, $644 was disclosed to this physician across 27 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($644).

Largest single payer: AbbVie Inc. ($133).

Itemized records on CMS Open Payments →

Andre Luiz Pitanga Bastos De Souza, MD

800 Ne 10th St Ste B

Oklahoma City, OK 73104 · (405) 271-4022

License: 46042 (OK)

NPI 1053676627 →

In 2023, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly gifts ($21).

Itemized records on CMS Open Payments →

Jaspreet Kaur Dhillon, MD

8 Medical Plaza Dr Ste 300

Roseville, CA 95661 · (916) 782-5106

License: C149434 (CA)

NPI 1720193006 →

In 2023, $32 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly gifts ($32).

Itemized records on CMS Open Payments →

Joseph Dibenedetto, MD

193 Waterman St

Providence, RI 02906 · (401) 351-4470

License: 4989 (RI)

NPI 1205820222 →

Wafik El Deiry, MD

593 Eddy St

Providence, RI 02903 · (401) 444-5435

License: MD16548 (RI)

NPI 1275575714 →

In 2023, $185 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($185).

Itemized records on CMS Open Payments →

Eiman Elmileik, MD

593 Eddy St

Providence, RI 02903 · (401) 444-9375

License: LP06490 (RI)

NPI 1588314637 →

In 2024, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($21).

Largest single payer: Novo Nordisk Inc ($21).

Itemized records on CMS Open Payments →

Radowan Ali Mahgoub Elnair, MD

825 Chalkstone Ave

Providence, RI 02908 · (401) 456-6565

License: MD19360 (RI)

NPI 1124479811 →

In 2024, $219 was disclosed to this physician across 6 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($219).

Largest single payer: Kite Pharma, Inc. ($113).

Itemized records on CMS Open Payments →

Aditya Eturi, MD

420 S 5th Ave Bldg N

West Reading, PA 19611 · (484) 628-0900

License: MD478749 (PA)

NPI 1568991297 →

In 2024, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($21).

Largest single payer: scPharmaceuticals Inc. ($21).

Itemized records on CMS Open Payments →

Jaleh Fallah, MD

111 Brewster St

Pawtucket, RI 02860 · (401) 729-2258

License: 130636 (OH)

NPI 1063826188 →

Katherine Faricy-Anderson, MD MPH

593 Eddy St

Providence, RI 02903 · (401) 444-8450

License: CMD13751 (RI)

NPI 1194940700 →

Mary Anne Fenton, MD

593 Eddy St, Apc 138

Providence, RI 02903 · (401) 444-5391

License: MD10307 (RI)

NPI 1881606622 →

Nancy Jane Freeman, MD

830 Chalkstone Ave, Providence Va Medical Center

Providence, RI 02908 · (401) 273-7100

License: 6108 (RI)

NPI 1134150451 →

In 2023, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly gifts ($21).

Itemized records on CMS Open Payments →

Jennifer S Gass, MD

101 Dudley St

Providence, RI 02905 · (401) 274-1122

License: MD08540 (RI)

NPI 1225065139 →

In 2024, $1,323 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly consulting fees ($1,065) and entertainment ($258).

Largest single payer: Illumina, Inc. ($1,065).

Itemized records on CMS Open Payments →

Mansour Gergi, MD

111 Colchester Ave

Burlington, VT 05401 · (802) 847-8400

License: 042-0015734 (VT)

NPI 1861843963 →

Sassine Ghanem, MD

2500 English Creek Ave, Bldg 400

Egg Harbor Township, NJ 08234 · (609) 404-7345

License: 25MA12568800 (NJ)

NPI 1174905236 →

In 2023, $21 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly gifts ($21).

Itemized records on CMS Open Payments →

Susan Alice Gingrich, MD

101 Dudley St

Providence, RI 02905 · (401) 453-7520

License: MD20512 (RI)

NPI 1841371002 →

In 2024, $232 was disclosed to this physician across 7 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($232).

Largest single payer: AstraZeneca Pharmaceuticals LP ($133).

Itemized records on CMS Open Payments →

Maya Gogtay, MD

593 Eddy St

Providence, RI 02903 · (401) 444-5435

License: MD21199 (RI)

NPI 1710531181 →

In 2024, $170 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly gifts ($170).

Largest single payer: Pfizer Inc. ($100).

Itemized records on CMS Open Payments →

Laura Goldberg, MD, PHD

75 Francis St

Boston, MA 02115 · (617) 732-5500

License: 279755 (MA)

NPI 1295913242 →

Vladimir Gotlieb, MD

10850 62nd Dr, Suite La

Forest Hills, NY 11375 · (718) 830-6333

License: 218369 (NY)

NPI 1073516142 →

In 2024, $5,062 was disclosed to this physician across 31 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($2,636) and entertainment ($1,037).

Largest single payer: Genzyme Corporation ($2,833).

Itemized records on CMS Open Payments →

Stephanie Lynn Graff, MD

2316 E Meyer Blvd, 1 Cancer West

Kansas City, MO 64132 · (816) 276-4700

License: MD17458 (RI)

NPI 1437187747 →

In 2024, $41,168 was disclosed to this physician across 19 transactions by pharmaceutical or medical-device companies.

$6,766 was research funding (clinical-trial work); the remainder was consulting fees ($17,590) and meals and beverages ($9,845).

Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($15,487).

Itemized records on CMS Open Payments →

Matthew James Hadfield, DO

593 Eddy St

Providence, RI 02903 · (401) 444-4000

License: DO10359 (RI)

NPI 1811493414 →

In 2024, $9,727 was disclosed to this physician across 8 transactions by pharmaceutical or medical-device companies.

Mostly meals and beverages ($9,247) and entertainment ($480).

Largest single payer: F. Hoffmann-La Roche AG ($9,407).

Itemized records on CMS Open Payments →

Ayesha Hassan, MD

1220 Pontiac Ave Ste 101

Cranston, RI 02920 · (401) 943-4660

License: MD19322 (RI)

NPI 1346762515 →

In 2024, $245 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($179) and gifts ($66).

Largest single payer: Janssen Pharmaceuticals, Inc ($66).

Itemized records on CMS Open Payments →

Linda Rosarina Hassan, MD

73 Beechwood Ave

Pawtucket, RI 02860 · (401) 724-4040

License: 6245 (RI)

NPI 1346356532 →

Susan Karen Hobin, APRN CNP

1220 Pontiac Ave

Cranston, RI 02920 · (401) 943-4660

License: APRN01638 (RI)

NPI 1710402987 →

In 2024, $60 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($60).

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

Itemized records on CMS Open Payments →

Sheldon Holder, MD

593 Eddy Street, Apc Main

Providence, RI 02903 · (401) 444-5435

License: MD17540 (RI)

NPI 1952509127 →

Emily Hsu

593 Eddy Street Apc Main

Providence, RI 02903 · (401) 444-5435

License: MD18300 (RI)

NPI 1326400482 →

Sandeep Kumar Jain, MD

593 Eddy St Apc Main

Providence, RI 02903 · (401) 444-5435

License: MD18566 (RI)

NPI 1265936702 →

In 2024, $83 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($83).

Largest single payer: E.R. Squibb & Sons, L.L.C. ($83).

Itemized records on CMS Open Payments →

Showing 50 of 119. 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