What is Michael Johnston's specialty?

Michael Johnston (NPI 1487698361) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Nashville, TN.

Where does Michael Johnston practice?

Michael Johnston practices in Nashville, TN, based on the location reported in the CMS Medicare provider datasets for NPI 1487698361.

How much does Medicare pay Michael Johnston?

Michael Johnston (NPI 1487698361) received approximately $28K in total Medicare Part B payments, serving 231 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1487698361

Michael JohnstonMD

Emergency MedicineNashville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

220

Unique beneficiaries

—

Total services

220

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 849 Emergency Medicine providers in TN — below median (cohort median 332).

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 · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Michael 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). 9 inbound referrers · 24 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
VANDERBILT UNIVERSITY MEDICAL CENTER	241	642
Metropolitan Government Of Nashville & Davidson County Ambulance Service Provider · Nashville, TN	48	112
Katherine Hartley Diagnostic Radiology · Asheville, NC	28	44
Adam Guttentag Diagnostic Radiology · Nashville, TN	16	19
John Block Diagnostic Radiology · Nashville, TN	16	28
Joseph Aulino Diagnostic Radiology · Nashville, TN	13	17
Arthur Fleischer Diagnostic Radiology · Nashville, TN	12	14
Martin Jordanov Diagnostic Radiology · Nashville, TN	12	17
WILLIAMSON COUNTY HOSPITAL DISTRICT	11	20

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
VANDERBILT UNIVERSITY MEDICAL CENTER	154	422
Justin Long Diagnostic Radiology · Little Rock, AR	47	88
David Taber Diagnostic Radiology · Nashville, TN	45	69
Nam Le Diagnostic Radiology · Nashville, TN	40	69
Matthew Day Diagnostic Radiology · Nashville, TN	27	39
Larry Davis Diagnostic Radiology · Nashville, TN	21	31
Arthur Fleischer Diagnostic Radiology · Nashville, TN	18	21
Josh Heck Diagnostic Radiology · Nashville, TN	18	27
Edwin Donnelly Diagnostic Radiology · Powell, OH	17	24
Adam Guttentag Diagnostic Radiology · Nashville, TN	17	23
Kenneth Monahan Cardiology · Nashville, TN	17	50
Ricardo Fonseca Diagnostic Radiology · Nashville, TN	16	21

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events