What is Kenneth Rosenfield's specialty?

Kenneth Rosenfield (NPI 1134327745) is a Medicare-billing provider whose primary specialty is Cardiology in Boston, MA.

Where does Kenneth Rosenfield practice?

Kenneth Rosenfield practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1134327745.

How much does Medicare pay Kenneth Rosenfield?

Kenneth Rosenfield (NPI 1134327745) received approximately $78K in total Medicare Part B payments, serving 238 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1134327745

Kenneth RosenfieldM.D.

CardiologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

392

Unique beneficiaries

—

Total services

440

Distinct HCPCS

Medicare payment

$30K

Peer benchmark

Total Medicare services vs. 693 Cardiology providers in MA — below median (cohort median 1,819).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$210K

Payment records

By payment type

Consulting Fee$199K

Travel and Lodging$7K

Food and Beverage$4K

Top paying entities

Consulting Fee$199K

Travel and Lodging$7K

Food and Beverage$4K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Kenneth Rosenfield'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). 45 inbound referrers · 92 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE GENERAL HOSPITAL CORPORATION	365	1,672
Richard Sacknoff Diagnostic Radiology · Boston, MA	32	69
Gerald Abbott Diagnostic Radiology · Boston, MA	31	127
Matthew Gilman Diagnostic Radiology · Boston, MA	29	112
PATTI, JOHN	29	109
David Brewster Surgery · Boston, MA	27	138
Nandita Scott Cardiology · Boston, MA	26	87
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	23	92
Christopher Newton-Cheh Advanced Heart Failure and Transplant Cardiology · Boston, MA	22	46
Charles Boucher Cardiology · Boston, MA	22	83
Malissa Wood Cardiology · Fort Myers, FL	21	100
Rifat Dweik Cardiology · Waltham, MA	19	178

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
THE GENERAL HOSPITAL CORPORATION	168	651
NEWTON-WELLESLEY HOSPITAL	41	171
FALLON SERVICE, INC.	41	144
Gerald Abbott Diagnostic Radiology · Boston, MA	36	104
William Clouse Vascular Surgery · Charlottesville, VA	35	128
PATTI, JOHN	33	123
Theresa Mcloud Diagnostic Radiology · Boston, MA	32	119
MASS GENERAL BRIGHAM HOME CARE, INC.	32	104
Shaunagh Mcdermott Diagnostic Radiology · Boston, MA	30	97
Danita Sanborn Cardiology · Boston, MA	28	56
Milena Petranovic Diagnostic Radiology · Boston, MA	28	109
Richard Sacknoff Diagnostic Radiology · Boston, MA	27	85

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