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PROVIDER PROFILE · NPI 1326295726

Mark JohnstonA.U.D., CCC-A

AudiologistSan Antonio, TXI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Mark 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). 3 inbound referrers · 10 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BIEDIGER, CHARLES131154
Jeffery Rosenbloom
Otolaryngology · San Antonio, TX
3353
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
2332
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Jeffery Rosenbloom
Otolaryngology · San Antonio, TX
222392
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Irving, TX
4070
Benjamin Webb
Otolaryngology · San Antonio, TX
3646
Laboratory Corporation Of America
Clinical Laboratory · Houston, TX
3036
BIEDIGER, CHARLES1924
BEXAR COUNTY HOSPITAL DISTRICT1824
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
1721
VHS SAN ANTONIO PARTNERS LLC1316
David Wood
Diagnostic Radiology · San Antonio, TX
1215
Gregory Boys
Diagnostic Radiology · San Antonio, TX
1216
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,255
Unique beneficiaries
—
Total services
1,435
Distinct HCPCS
2
Medicare payment
$24K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 495 Audiologist providers in TX — top quintile (cohort median 214).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.