PROVIDER PROFILE · NPI 1043308661

John WilliamsonM.D.

PRACTICECOX SURGICAL LLCSee all providers at this practice →

Family PracticeCharleston, SCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

523

Unique beneficiaries

—

Total services

784

Distinct HCPCS

Medicare payment

$58K

Peer benchmark

Total Medicare services vs. 1,484 Family Practice providers in SC — below median (cohort median 1,121).

PRESCRIBING · PART D · 2024

Total Rx claims

114

Beneficiaries

—

Total drug cost

$595

Distinct drugs

Brand share

21.1%

Top prescribed drugs

Atorvastatin Calcium25 claims

Amoxicillin/Potassium Clav24 claims

Prednisone24 claims

Amlodipine Besylate17 claims

Cefdinir12 claims

QUALITY · MIPS · 2024

Final MIPS score

84.1

Quality

79.2

Cost

69.7

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.38%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 420065

Hospital

CCN 420087

Hospital

CCN 420110

Hospital

REFERRAL NETWORK

Where John Williamson'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). 0 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
METHODIST HEALTHCARE - MEMPHIS HOSPITALS	28	61
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	26	79
CHRIST COMMUNITY HEALTH SERVICES INC.	22	39

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