PROVIDER PROFILE · NPI 1114037256

Michael Johnston

PRACTICEMAHASKA COUNTY HOSPITALSee all providers at this practice →

Physician AssistantOskaloosa, IAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$41

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Celecoxib13 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

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). 4 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MAHASKA COUNTY HOSPITAL	62	239
Sreedhar Somisetty Orthopedic Surgery · Oskaloosa, IA	49	143
Elvin Mccarl Diagnostic Radiology · Ottumwa, IA	22	31
Akhtar Ashraf Diagnostic Radiology · Ottumwa, IA	20	37

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MAHASKA COUNTY HOSPITAL	66	200
Sreedhar Somisetty Orthopedic Surgery · Oskaloosa, IA	53	263
Akhtar Ashraf Diagnostic Radiology · Ottumwa, IA	47	82
OLDSON, BENJAMIN	33	62
PEARSON, KIM	33	47
WHITIS, ANNE	23	37
WHITIS, MATTHEW	18	27
MAHASKA COUNTY HOSPITAL	16	21
NPI 1184617169	16	26
MAHASKA COUNTY HOSPITAL	12	16

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