PROVIDER PROFILE · NPI 1003801176

John Maher

OphthalmologyPittsburgh, PAI

MEDICARE UTILIZATION · PART B · 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.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John Maher'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). 1 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
UPMC PASSAVANT	11	26

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Venture Llc Clinical Laboratory · Pittsburgh, PA	70	138
UPMC ST MARGARET	58	95
UPMC PRESBYTERIAN SHADYSIDE	42	84
UPMC MAGEE-WOMENS HOSPITAL	24	35
UPMC PRESBYTERIAN SHADYSIDE	21	76
UPMC ST. MARGARET	14	45
Marcia Labriola Podiatry · Pittsburgh, PA	12	14
Patricia Castelli Diagnostic Radiology · Pittsburgh, PA	11	18

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