PROVIDER PROFILE · NPI 1629205877

John ViehmanM.D.

Infectious DiseasePittsburgh, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

109

Distinct HCPCS

Medicare payment

$9K

Peer benchmark

Total Medicare services vs. 346 Infectious Disease providers in PA — below median (cohort median 364).

PRESCRIBING · PART D · 2024

Total Rx claims

308

Beneficiaries

—

Total drug cost

$13K

Distinct drugs

Brand share

34.4%

Top prescribed drugs

Amikacin Sulfate42 claims

Ampicillin Sodium33 claims

Amoxicillin30 claims

Sulfamethoxazole/Trimethoprim25 claims

Cefadroxil24 claims

QUALITY · MIPS · 2024

Final MIPS score

80.9

Quality

61.9

Cost

74.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.25%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John Viehman'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Glenn Andrews Diagnostic Radiology · Pittsburgh, PA	18	89
Janet Durick Diagnostic Radiology · Pittsburgh, PA	16	101
Elliott Gozansky Diagnostic Radiology · Birmingham, AL	11	59

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