What is John Reagan's specialty?

John Reagan (NPI 1841418944) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Providence, RI.

Where does John Reagan practice?

John Reagan practices in Providence, RI, based on the location reported in the CMS Medicare provider datasets for NPI 1841418944.

How much does Medicare pay John Reagan?

John Reagan (NPI 1841418944) received approximately $44K in total Medicare Part B payments, serving 239 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841418944

John ReaganMD

Hematology-OncologyProvidence, RII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

242

Unique beneficiaries

—

Total services

472

Distinct HCPCS

Medicare payment

$33K

Peer benchmark

Total Medicare services vs. 46 Hematology-Oncology providers in RI — above median (cohort median 408).

PRESCRIBING · PART D · 2024

Total Rx claims

1,166

Beneficiaries

—

Total drug cost

$6.0M

Distinct drugs

Brand share

42.4%

Top prescribed drugs

Hydroxyurea138 claims

Lenalidomide128 claims

Venetoclax92 claims

Acyclovir65 claims

Valacyclovir Hcl61 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Reagan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE MIRIAM HOSPITAL	52	418
Matthew Quesenberry Hematology-Oncology · Providence, RI	47	137
Thomas Egglin Diagnostic Radiology · Warwick, RI	22	53
Terrance Healey Diagnostic Radiology · Warwick, RI	19	60
Michael Kim Cardiology · Springfield, IL	19	42
Maria Constantinou Hematology-Oncology · Providence, RI	17	101
Joseph Wyllie Cardiology · East Greenwich, RI	15	45
Humera Khurshid Hematology-Oncology · Providence, RI	15	77
GOLDBERG, LAURA	14	24
Antony Chu Clinical Cardiac Electrophysiology · Bemidji, MN	14	36
KEATING, EDWARD	11	28
Van Nguyen Diagnostic Radiology · Providence, RI	11	31

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events