What is Mary Anne Fenton's specialty?

Mary Anne Fenton (NPI 1881606622) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Providence, RI.

Where does Mary Anne Fenton practice?

Mary Anne Fenton practices in Providence, RI, based on the location reported in the CMS Medicare provider datasets for NPI 1881606622.

How much does Medicare pay Mary Anne Fenton?

Mary Anne Fenton (NPI 1881606622) received approximately $26K in total Medicare Part B payments, serving 169 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881606622

Mary Anne FentonM.D.

Hematology-OncologyProvidence, RII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

222

Unique beneficiaries

—

Total services

315

Distinct HCPCS

Medicare payment

$24K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

851

Beneficiaries

—

Total drug cost

$1.8M

Distinct drugs

Brand share

14.1%

Top prescribed drugs

Anastrozole459 claims

Letrozole102 claims

Palbociclib61 claims

Exemestane40 claims

Tamoxifen Citrate34 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 Mary Anne Fenton'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE MIRIAM HOSPITAL	40	207
Maria Constantinou Hematology-Oncology · Providence, RI	17	41
Theresa Graves General Surgery · Providence, RI	14	80
Peter Littrup Diagnostic Radiology · Detroit, MI	12	22
Terrance Healey Diagnostic Radiology · Warwick, RI	12	28
Kara Leonard Radiation Oncology · Providence, RI	11	98
Michael Kim Cardiology · Springfield, IL	11	18

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