What is Carolyn Kosack's specialty?

Carolyn Kosack (NPI 1659349942) is a Medicare-billing provider whose primary specialty is Cardiology in Bloomfield, CT.

Where does Carolyn Kosack practice?

Carolyn Kosack practices in Bloomfield, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1659349942.

How much does Medicare pay Carolyn Kosack?

Carolyn Kosack (NPI 1659349942) received approximately $145K in total Medicare Part B payments, serving 371 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659349942

Carolyn KosackM.D.

CardiologyBloomfield, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

905

Unique beneficiaries

—

Total services

1,344

Distinct HCPCS

Medicare payment

$139K

Peer benchmark

Total Medicare services vs. 375 Cardiology providers in CT — above median (cohort median 1,798).

PRESCRIBING · PART D · 2024

Total Rx claims

3,708

Beneficiaries

—

Total drug cost

$431K

Distinct drugs

Brand share

15.5%

Top prescribed drugs

Atorvastatin Calcium530 claims

Metoprolol Succinate477 claims

Amlodipine Besylate398 claims

Ezetimibe192 claims

Rosuvastatin Calcium188 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 Carolyn Kosack'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). 49 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SAINT FRANCIS HOSPITAL AND MEDICAL CENTER	161	258
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	135	341
American Medical Response Of Connecticut Incorporated Ambulance Service Provider · New Haven, CT	80	133
Vincent Romano Cardiology · Bloomfield, CT	77	99
HARTFORD HEALTHCARE LABORATORIES	67	110
Julian Esteban Interventional Cardiology · Lancaster, PA	61	92
Jawad Haider Cardiology · Bloomfield, CT	55	83
Tiffany Dube Diagnostic Radiology · Naugatuck, CT	44	61
Patrick Corcoran Cardiology · Bloomfield, CT	44	71
MANCHESTER MEMORIAL HOSPITAL	42	94
Joseph Sala Diagnostic Radiology · Middletown, CT	37	58
Ambulance Service Of Manchester, Llc Ambulance Service Provider · Manchester, CT	30	52

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