Pediatric Hematology-Oncology in Connecticut
43 licensed pediatric oncologists practicing in Connecticut across 9 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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NPI Registry records — Pediatric Hematology-Oncology in Connecticut
16 of 43 shown have disclosed payments in CMS Open Payments (2024)
Showing 43 of 43 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.
Martin Andreansky, MD, PHD
282 Washington St
Hartford, CT 06106 · (860) 545-9630
License: S2218 (TX)
In 2023, $40 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($40).
In 2024, $850 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly consulting fees ($850).
Largest single payer: Servier Pharmaceuticals LLC ($850).
Donna M Boruchov, MD
282 Washington St, Suite 5a - Center for Cancer & Blood Disorders
Hartford, CT 06106 · (860) 545-9630
License: 046727 (CT)
In 2024, $137 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($137).
Largest single payer: Jazz Pharmaceuticals Inc. ($137).
Evan Samuel Cantor, MD
282 Washington St, 282 Washington Street
Hartford, CT 06106 · (860) 545-9000
License: 71033 (CT)
Sarah Deborah Chirnomas, MD
333 Cedar St, 2073 Lmp
New Haven, CT 06510 · (203) 785-4640
License: 219721 (MA)
In 2023, $2,193 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly consulting fees ($1,980) and entertainment ($213).
Aron Flagg, MD
35 Park St, Pediatric Hem Onc Suite 7th Fl
New Haven, CT 06511 · (203) 785-4640
License: 62157 (CT)
In 2023, $32 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($32).
Natasha Nichole Frederick, MD
282 Washington St
Hartford, CT 06106 · (860) 545-8948
License: 56414 (CT)
In 2023, $97 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($97).
Mary Jane S Hogan, MD, MPH
333 Cedar St, Lmp 2073
New Haven, CT 06510 · (203) 785-4640
License: 037422 (CT)
In 2023, $144 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($144).
Nina S Kadan-Lottick, MD
20 York St, Ynhh (children's) West Pavilion - 2nd Floor
New Haven, CT 06510 · (203) 785-4081
License: 040821 (CT)
Tatiana Lara Ospina, MD
4650 W Sunset Blvd
Los Angeles, CA 90027 · (323) 361-4755
License: A178409 (CA)
In 2024, $124 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($124).
Largest single payer: bluebird bio, Inc. ($124).
In 2023, $233 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($233).
In 2023, $3,926 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($2,340) and consulting fees ($1,560).
Stephanie Ann Massaro, MD, MPH
333 Cedar St, Lmp 2073
New Haven, CT 06520 · (203) 785-4640
License: 047534 (CT)
In 2023, $77 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($77).
Joseph Michael McNamara, MD
405 Church Street
Guilford, CT 06437 · (203) 453-2013
License: 030135 (CT)
Kevin Owen McNerney, MD
225 E Chicago Ave # 30
Chicago, IL 60611 · (312) 227-4859
License: 036.163354 (IL)
In 2024, $2,061 was disclosed to this physician across 11 transactions by pharmaceutical or medical-device companies.
Mostly meals and beverages ($1,523) and entertainment ($538).
Largest single payer: Adaptive Biotechnologies Corporation ($1,605).
John Norko, MD
282 Washington St, Medical Education 4h
Hartford, CT 06106 · (860) 545-9973
License: 25MA11144100 (NJ)
In 2024, $19 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($19).
Largest single payer: Alexion Pharmaceuticals, Inc. ($19).
In 2024, $113 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($113).
Largest single payer: USWM, LLC ($113).
Nehal Parikh, MD
1210 S Cedar Crest Blvd Ste 1000
Allentown, PA 18103 · (610) 402-1026
License: MD484978 (PA)
Farzana Dinesh Pashankar, MBBS
20 York St, Ynhh - West Pavilion, 2nd Floor
New Haven, CT 06510 · (203) 785-4081
License: 042758 (CT)
In 2024, $1,830 was disclosed to this physician across 0 transactions by pharmaceutical or medical-device companies.
About 100% ($1,830) was research funding — payments for clinical-trial work.
Largest single payer: Novartis Pharma AG ($1,830).
Erin McGuire Pastor, DO
282 Washington Street, Ct Children's Medical Center
Hartford, CT 06106 · (860) 545-9159
License: 65455 (CT)
Salley Gibney Pels, MD
333 Cedar St, Lmp 2073
New Haven, CT 06510 · (203) 785-4640
License: 047779 (CT)
Stephanie Diana Prozora, MD
20 York St # T-209, Yale-New Haven Hospital
New Haven, CT 06510 · (203) 785-3898
License: 55442 (CT)
In 2024, $33,260 was disclosed to this physician across 19 transactions by pharmaceutical or medical-device companies.
$11,808 was research funding (clinical-trial work); the remainder was consulting fees ($14,844) and charitable contributions ($3,525).
Largest single payer: CSL Behring ($14,844).
Barbara J Sleight, MD
800 Howard Ave, Yale Physicians Building
New Haven, CT 06519 · (203) 785-2140
License: 035690 (CT)
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 pediatric 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: Pediatric Hematology-Oncology) · Last checked: 2026-04-20