$17,017 in research paymentsArthritis, RheumatoidRheumatic DiseasesUpadacitinib
Dr. Eric M. Ruderman, MD
NPI1871526657PAC ID2466340054
- Medicare services, 2024
- 1,003
- Medicare patients, 2024
- 391
- Part D claims, 2024
- 1,969
- Clinical trials
- 4
- MIPS score, 2024
- 95
- Practice address
- 675 N St Clair St, Chicago, IL 60611
- Practice phone
- Call (312) 695-0646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medical Group
Chicago, Illinois
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Dr. Eric M. Ruderman is a rheumatologist in Chicago, Illinois
Dr. Ruderman practices at Northwestern Medical Group in Chicago, Illinois.
Dr. Ruderman's NPI, 1871526657, was assigned on July 8, 2006. Dr. Ruderman graduated from Albert Einstein College of Medicine of Yeshiva University in 1987.
NPI and contact details
- NPI
- 1871526657NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466340054
- NPI enumeration date
- July 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 695-0646
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric M. Ruderman practices at Northwestern Medical Group in Chicago, Illinois
Dr. Ruderman's primary practice is Northwestern Medical Group, at 675 N St Clair St, Chicago, IL 60611 in Cook County. The practice phone is (312) 695-0646.
- Northwestern Medical Group675 N St Clair St, Chicago, IL 60611 · Cook CountyPhone(312) 695-0646
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eric M. Ruderman is affiliated with 7 sites of care and 1 medical group
Dr. Ruderman's primary practice is Northwestern Medical Group in Chicago, Illinois. Dr. Ruderman is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Ruderman to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Northwestern Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Eric M. Ruderman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ruderman practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medical Group | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric M. Ruderman is one of 285 rheumatologists in Illinois
Rheumatology is Dr. Ruderman's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Ruderman has a license on file in Illinois.
Specialties and state licenses
- Rheumatology, Illinois
Rheumatologists near Dr. Ruderman
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Eric M. Ruderman billed Medicare for 1,003 services in 2024
CMS data shows 1,003 Medicare services from Dr. Ruderman across 13 procedure codes in 2024, for 391 Medicare patients. Medicare paid $55,785 for them. Every service was in an office.
Medicare services, 20241,003
Medicare patients391
Paid by Medicare$55,785
Procedure codes13
Dr. Ruderman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5172024: 46610%
- Other services
- 2023: 02024: 358
- Drugs given in the office
- 2023: 9902024: 9491%
- Tests and treatments
- 2023: 692024: 713%
- Surgery
- 2023: 792024: 1482%
Dr. Ruderman compared with the Illinois median for rheumatologists, 2024
- Dr. Ruderman
- Illinois median
- Medicare services
- 1,003vs 987Close to median
- Medicare patients
- 391vs 26249% above
- Part D claims
- 1,804vs 1,07768% above
Medians across 290 rheumatologists in Illinois with Dmand AI profiles that report each measure.
Dr. Ruderman's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric M. Ruderman treated 391 Medicare patients in 2024, average age 73
CMS counts 391 Medicare patients who saw Dr. Ruderman in 2024. The largest group is 65 to 74, with 182 patients. 75% of them have arthritis, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ruderman's median patient age at 68, with 70% women.
Medicare patients, 2024391
Average age73
Average risk score1.40
Also on Medicaid9%
Dr. Ruderman's Medicare patients by age, 2024
Dr. Ruderman's Medicare patients by sex, 2024
- Women27971%
- Men11229%
Chronic conditions among Dr. Ruderman's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure64%
- Osteoporosis29%
- Ischemic heart disease28%
- Anxiety22%
- Mood disorders20%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ruderman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women70%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric M. Ruderman wrote 1,969 Medicare Part D claims in 2024
In 2024, Dr. Ruderman wrote 1,969 Medicare Part D claims for 285 patients. 76% of them were for generic drugs. CMS names the drug for 1,804 of them, across 30 drugs with 11 or more claims each, at $3,316,004 in total drug cost. In 2023, CMS named 1,754 claims across 32 drugs.
Part D claims, 20241,969
Drugs named by CMS30
Total drug cost$3.3M
Part D patients285
Dr. Ruderman's Part D claims by kind of drug, 2024
- Generic1,493 claims76%
- Brand-name and other476 claims24%
Dr. Ruderman's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ruderman's Part D claims, 2024
- Opioids4%71 of 1,969 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7542024: 1,8043%
Drugs named by CMS: 30 in 2024, 32 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Eric M. Ruderman scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Ruderman for performance year 2024, reported through an alternative payment model (APM). Dr. Ruderman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ruderman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Ruderman's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Eric M. Ruderman has worked on 4 clinical trials
Dmand AI links Dr. Ruderman to 4 clinical trials. 1 is still active or recruiting. Conditions studied include Arthritis, Rheumatoid, Rheumatic Diseases and Arthritis, Psoriatic. AbbVie sponsors the most, 4. Open Payments lists research payments to Dr. Ruderman that name 4 trials.
Conditions in Dr. Ruderman's trials
- Arthritis, Rheumatoid
- Rheumatic Diseases
- Arthritis, Psoriatic
- Crohn Disease
- Inflammatory Bowel Diseases
Investigators on the most trials with Dr. Ruderman
- Kevin Loring Winthrop, MD2 shared trials
- Annette Marie Abril, MD1 shared trial
- Jeffrey A. Alper, MD, PA1 shared trial
Recent clinical trials with Dr. Ruderman
$18,250 in research paymentsArthritis, RheumatoidRheumatic DiseasesAdalimumabUpadacitinib
$1,000 in research paymentsCrohn DiseaseInflammatory Bowel DiseasesUpadacitinib
$3,000 in research paymentsArthritis, PsoriaticSpondylarthropathiesABT-494Upadacitinib
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric M. Ruderman received $746,198 in industry payments from 2016 to 2025
CMS Open Payments shows 844 general payments to Dr. Ruderman from 23 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 78% of the total. Pfizer Inc. paid the most, $143,250. It also lists 16 research payments totaling $57,171 from 2016 to 2024, naming 4 clinical trials.
General payments to Dr. Ruderman by program year, 2016 to 2025
General payments to Dr. Ruderman by kind, 2016 to 2025
$746.2Kin total
- Consulting fees$583,23078%
- Travel and lodging$57,2598%
- Honoraria$54,5927%
- Speaker and faculty fees$32,1514%
- Other$18,6523%
Companies that paid Dr. Ruderman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric M. Ruderman graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Ruderman graduated from Albert Einstein College of Medicine of Yeshiva University in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric M. Ruderman's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Eric M. Ruderman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Eric M. Ruderman's NPI number?
Dr. Eric M. Ruderman's NPI number is 1871526657. It was assigned on July 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric M. Ruderman?
Dr. Eric M. Ruderman is a rheumatologist in Chicago, Illinois. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Eric M. Ruderman practice?
Dr. Ruderman practices at 675 N St Clair St, Chicago, IL 60611. Dr. Ruderman's primary practice is Northwestern Medical Group in Chicago, Illinois. Dmand AI also links Dr. Ruderman to 4 hospitals and 1 group practice or clinic.
What is Dr. Eric M. Ruderman's office phone number?
The practice phone on file for Dr. Ruderman is (312) 695-0646.
Which hospitals is Dr. Eric M. Ruderman affiliated with?
Dr. Ruderman is affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Ruderman to 4 more hospitals.
What medical group is Dr. Eric M. Ruderman part of?
Dr. Ruderman is linked to Northwestern Medical Faculty Foundation.
Does Dr. Eric M. Ruderman accept Medicare?
Yes. CMS data shows Dr. Ruderman billed Medicare for 1,003 services in 2024, and Dr. Ruderman accepts Medicare assignment.
Does Dr. Eric M. Ruderman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ruderman as offering telehealth services.
What is Dr. Eric M. Ruderman's MIPS score?
Dr. Ruderman's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Eric M. Ruderman see?
CMS counts 391 Medicare patients who saw Dr. Ruderman in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Eric M. Ruderman bill to Medicare?
In 2024, Dr. Ruderman's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and injected or infused drug (J3301).
Where did Dr. Eric M. Ruderman go to medical school?
Dr. Ruderman graduated from Albert Einstein College of Medicine of Yeshiva University in 1987.
What drugs does Dr. Eric M. Ruderman prescribe most?
In 2024 Medicare Part D data, Dr. Ruderman's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Eric M. Ruderman received payments from drug or device companies?
CMS Open Payments shows $746,198 in general payments to Dr. Ruderman from 23 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Eric M. Ruderman been practicing?
Dr. Ruderman graduated from medical school in 1987, 39 years ago.
Does Dr. Eric M. Ruderman do research?
Dr. Ruderman has worked on 4 clinical trials.
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