What is Mark Ridder's specialty?

Mark Ridder (NPI 1821542739) is a Medicare-billing provider whose primary specialty is Infectious Disease in Marshfield, WI.

Where does Mark Ridder practice?

Mark Ridder practices in Marshfield, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1821542739.

How much does Medicare pay Mark Ridder?

Mark Ridder (NPI 1821542739) received approximately $80K in total Medicare Part B payments, serving 290 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821542739

Mark RidderM.D.

PRACTICEMARSHFIELD CLINICSee all providers at this practice →

Infectious DiseaseMarshfield, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

544

Unique beneficiaries

—

Total services

971

Distinct HCPCS

Medicare payment

$75K

Peer benchmark

Total Medicare services vs. 109 Infectious Disease providers in WI — top quintile (cohort median 249).

PRESCRIBING · PART D · 2024

Total Rx claims

456

Beneficiaries

—

Total drug cost

$385K

Distinct drugs

Brand share

48.7%

Top prescribed drugs

Cephalexin78 claims

Bictegrav/Emtricit/Tenofov Ala50 claims

Penicillin V Potassium48 claims

Sulfamethoxazole/Trimethoprim43 claims

Ceftriaxone Sodium37 claims

QUALITY · MIPS · 2024

Final MIPS score

80.6

Quality

55.5

Cost

71.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.23%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

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