PROVIDER PROFILE · NPI 1952324303

William CalhounMD

PRACTICESOUTH SHORE CARDIOLOGY PCSee all providers at this practice →

CardiologySouth Weymouth, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,326

Unique beneficiaries

—

Total services

3,475

Distinct HCPCS

Medicare payment

$154K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

2,461

Beneficiaries

—

Total drug cost

$505K

Distinct drugs

Brand share

22.9%

Top prescribed drugs

Metoprolol Succinate535 claims

Apixaban311 claims

Lisinopril248 claims

Atorvastatin Calcium228 claims

Amlodipine Besylate148 claims

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

78.0

Cost

84.8

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.66%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where William Calhoun'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). 79 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SOUTH SHORE HOSPITAL INC.	516	2,182
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	165	742
Harbor Medical Associates, Inc. Clinical Laboratory · South Weymouth, MA	136	652
Robert Gore Diagnostic Radiology · South Weymouth, MA	117	239
Stephen Bliss Diagnostic Radiology · Los Angeles, CA	86	190
James Strain Diagnostic Radiology · Weymouth, MA	80	148
Rafael Altieri Diagnostic Radiology · South Weymouth, MA	68	113
FALLON EMERGENCY MEDICAL SERVICES, INC.	67	120
James Suojanen Diagnostic Radiology · South Weymouth, MA	58	114
KELLEY, RUSSELL	57	99
Ori Preis Diagnostic Radiology · Boston, MA	56	131
BEZREH, JAMES	55	105

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