What is John Viehman's specialty?

John Viehman (NPI 1629205877) is a Medicare-billing provider whose primary specialty is Infectious Disease in Pittsburgh, PA.

Where does John Viehman practice?

John Viehman practices in Pittsburgh, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1629205877.

How much does Medicare pay John Viehman?

John Viehman (NPI 1629205877) received approximately $12K in total Medicare Part B payments, serving 76 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events