What is John Williamson's specialty?

John Williamson (NPI 1629017108) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Morris, IL.

Where does John Williamson practice?

John Williamson practices in Morris, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1629017108.

How much does Medicare pay John Williamson?

John Williamson (NPI 1629017108) received approximately $123K in total Medicare Part B payments, serving 755 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629017108

John WilliamsonD.O.

PRACTICEMORRIS HOSPITALSee all providers at this practice →

Emergency MedicineMorris, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

812

Unique beneficiaries

—

Total services

876

Distinct HCPCS

Medicare payment

$117K

Peer benchmark

Total Medicare services vs. 2,228 Emergency Medicine providers in IL — top quintile (cohort median 344).

PRESCRIBING · PART D · 2024

Total Rx claims

117

Beneficiaries

—

Total drug cost

$736

Distinct drugs

Brand share

67.5%

Top prescribed drugs

Hydrocodone/Acetaminophen39 claims

Cephalexin24 claims

Ondansetron17 claims

Methylprednisolone14 claims

Amoxicillin/Potassium Clav12 claims

QUALITY · MIPS · 2024

Final MIPS score

89.0

Quality

69.5

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.59%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

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). 51 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Michael Jachec Diagnostic Radiology · Morris, IL	323	890
Biren Patel Diagnostic Radiology · Morris, IL	235	604
Richard Symanski Diagnostic Radiology · Morris, IL	223	614
David Vermillion Internal Medicine · Morris, IL	123	285
Mark Gibson Emergency Medicine · Morris, IL	89	343
Aristides Delahera Cardiology · New Lenox, IL	79	274
Michael Kryza Emergency Medicine · Morris, IL	70	286
MEMORIAL MEDICAL CENTER	54	157
PRESENCE CENTRAL AND SUBURBAN HOSPITALS NETWORK	54	188
IATROS, M.D.,S.C.	50	145
Raja Saleem Hospitalist · Fort Myers, FL	46	221
Saamer Siddiqi Hospitalist · Elmhurst, IL	45	131

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