PROVIDER PROFILE · NPI 1609861418

Karl CoynerM.D.

Diagnostic RadiologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,537

Unique beneficiaries

—

Total services

5,665

Distinct HCPCS

Medicare payment

$178K

Peer benchmark

Total Medicare services vs. 1,146 Diagnostic Radiology providers in MA — top quintile (cohort median 2,596).

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 · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Karl Coyner'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). 296 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CAPE COD HOSPITAL INC	2,645	7,184
HENRY HEYWOOD MEMORIAL HOSPITAL	1,155	3,385
Philip Chiotellis Cardiology · Hyannis, MA	383	605
NPI 1144267477	356	671
Peter Chiotellis Cardiology · Hyannis, MA	267	703
ATHOL MEMORIAL HOSPITAL INCORPORATED	260	783
Karl Stajduhar Cardiology · Hyannis, MA	259	457
Town Of Yarmouth Ambulance Service Provider · S Yarmouth, MA	256	473
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	245	444
WILLIAMS, CHARLES	214	392
Charles Allison Diagnostic Radiology · Burlington, MA	184	332
Steven Kohler Emergency Medicine · Hyannis, MA	177	358

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