What is Eric Ruderman's specialty?

Eric Ruderman (NPI 1871526657) is a Medicare-billing provider whose primary specialty is Rheumatology in Chicago, IL.

Where does Eric Ruderman practice?

Eric Ruderman practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1871526657.

How much does Medicare pay Eric Ruderman?

Eric Ruderman (NPI 1871526657) received approximately $145K in total Medicare Part B payments, serving 391 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871526657

Eric RudermanMD

PRACTICENORTHWESTERN MEDICAL GROUPSee all providers at this practice →

RheumatologyChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

699

Unique beneficiaries

—

Total services

1,003

Distinct HCPCS

Medicare payment

$56K

Peer benchmark

Total Medicare services vs. 205 Rheumatology providers in IL — above median (cohort median 2,209).

PRESCRIBING · PART D · 2024

Total Rx claims

1,804

Beneficiaries

—

Total drug cost

$3.3M

Distinct drugs

Brand share

48.4%

Top prescribed drugs

Methotrexate Sodium400 claims

Prednisone198 claims

Hydroxychloroquine Sulfate143 claims

Celecoxib113 claims

Etanercept84 claims

QUALITY · MIPS · 2024

Final MIPS score

95.2

Quality

83.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.85%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$25K

Payment records

108

By payment type

Consulting Fee$13K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4K

Travel and Lodging$4K

Honoraria$3K

Food and Beverage$719

Top paying entities

Consulting Fee$13K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4K

Travel and Lodging$4K

Honoraria$3K

Food and Beverage$719

REFERRAL NETWORK

Where Eric Ruderman'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHWESTERN MEMORIAL HOSPITAL	292	894
REHABILITATION INSTITUTE OF CHICAGO	30	84
CENTRAL DUPAGE HOSPITAL ASSOCIATION	23	48
Ronald Hendrix Diagnostic Radiology · Chicago, IL	16	30
ENDEAVOR HEALTH CLINICAL OPERATIONS	14	49
NORTHWESTERN LAKE FOREST HOSPITAL	12	36
Rishi Agrawal Diagnostic Radiology · Houston, TX	11	25

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