PROVIDER PROFILE · NPI 1750550166

Thomas JohnstonM.D.

PRACTICENORTON HEALTHCARESee all providers at this practice →

Internal MedicineLouisville, KYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

236

Unique beneficiaries

—

Total services

244

Distinct HCPCS

Medicare payment

$24K

Peer benchmark

Total Medicare services vs. 1,039 Internal Medicine providers in KY — bottom quintile (cohort median 766).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

81.1

Quality

63.3

Cost

73.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.26%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Thomas Johnston'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Koduvathara James Cardiology · Louisville, KY	72	206
Allen Westerfield Diagnostic Radiology · Lexington, KY	68	164
Atam Abbi Emergency Medicine · Lebanon, KY	59	154
NPI 1346278645	58	150
James Nuss Emergency Medicine · Bardstown, KY	47	95
Casey Corbit Emergency Medicine · Lexington, KY	47	95
Wayne Kopp Emergency Medicine · Lexington, KY	38	86
Raymonda Stevens Diagnostic Radiology · Lexington, KY	36	69
Thomas Trimbur Cardiology · Louisville, KY	35	95
James Buck Diagnostic Radiology · Lexington, KY	34	74
Matthew Zwick Diagnostic Radiology · Lexington, KY	32	72
FLAGET HEALTHCARE, INC	30	42

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