A Phase III Transition Study of DRL Rituximab to Reference Medicinal Products (opens in a new tab)
CompletedPhase 3
Arthritis, RheumatoidRheumatic DiseasesArm B: Rituxan®/Mabthera®Experimental: Arm A: DRL_RI
Dr. Jeffrey R. Horvath, MD
NPI1588761811PAC ID6507886009
- Medicare services, 2024
- 45,841
- Medicare patients, 2024
- 462
- Part D claims, 2024
- 3,358
- Clinical trials
- 1
- MIPS score, 2024
- 89
- Practice address
- 15 Founders Lane, Jacksonville, IL 62650
- Practice phone
- Call (217) 291-1040
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Springfield Clinic Jacksonville
Rural Health Clinic - Independent · Jacksonville, Illinois
Find Dr. Horvath's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jeffrey R. Horvath is a rheumatologist in Jacksonville, Illinois
Dr. Horvath practices at Springfield Clinic Jacksonville in Jacksonville, Illinois.
Dr. Horvath's NPI, 1588761811, was assigned on September 20, 2006. Dr. Horvath graduated from Southern Illinois University School of Medicine in 1993. Dr. Horvath holds Illinois license 036-097710.
NPI and contact details
- NPI
- 1588761811NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507886009
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (217) 291-1040
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey R. Horvath practices at Springfield Clinic Jacksonville in Jacksonville, Illinois
Dr. Horvath's primary practice is Springfield Clinic Jacksonville, at 15 Founders Lane, Jacksonville, IL 62650. The practice phone is (217) 291-1040.
- Springfield Clinic Jacksonville15 Founders Lane, Jacksonville, IL 62650Phone(217) 291-1040
Source: Dmand AI Affiliation Data
Dr. Jeffrey R. Horvath is affiliated with 7 sites of care and 2 medical groups
Dr. Horvath's primary practice is Springfield Clinic Jacksonville in Jacksonville, Illinois. Dr. Horvath is also affiliated with Jacksonville Memorial Hospital. The medical group on file is Springfield Clinic. Dmand AI also links Dr. Horvath to 4 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Springfield Clinic JacksonvillePrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey R. Horvath's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horvath practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Springfield Clinic Jacksonville | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Horvath practices
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Dr. Jeffrey R. Horvath is one of 285 rheumatologists in Illinois
Rheumatology is Dr. Horvath's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Horvath is licensed in Illinois.
Specialties and state licenses
- Rheumatology, IllinoisPrimary
Rheumatologists near Dr. Horvath
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. Jeffrey R. Horvath billed Medicare for 45,841 services in 2024
CMS data shows 45,841 Medicare services from Dr. Horvath across 23 procedure codes in 2024, for 462 Medicare patients. Medicare paid $511,555 for them. Every service was in an office.
Medicare services, 202445,841
Medicare patients462
Paid by Medicare$511,555
Procedure codes23
Dr. Horvath's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 14,7502024: 44,041199%
- Tests and treatments
- 2023: 7062024: 62611%
- Office and hospital visits
- 2023: 7042024: 62312%
- Surgery
- 2023: 3842024: 43914%
- Other services
- 2023: 02024: 112
Dr. Horvath compared with the Illinois median for rheumatologists, 2024
- Dr. Horvath
- Illinois median
- Medicare services
- 45,841vs 98746.4 times
- Medicare patients
- 462vs 26276% above
- Part D claims
- 3,185vs 1,0773.0 times
Medians across 290 rheumatologists in Illinois with Dmand AI profiles that report each measure.
Dr. Horvath'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. Jeffrey R. Horvath treated 462 Medicare patients in 2024, average age 74
CMS counts 462 Medicare patients who saw Dr. Horvath in 2024. The largest group is 65 to 74, with 229 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Horvath's median patient age at 64, with 71% women.
Medicare patients, 2024462
Average age74
Average risk score1.17
Also on Medicaid11%
Dr. Horvath's Medicare patients by age, 2024
Dr. Horvath's Medicare patients by sex, 2024
- Women32771%
- Men13529%
Chronic conditions among Dr. Horvath's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis71%
- Osteoporosis37%
- Ischemic heart disease31%
- Diabetes25%
- Anxiety20%
- COPD19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Horvath's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey R. Horvath wrote 3,358 Medicare Part D claims in 2024
In 2024, Dr. Horvath wrote 3,358 Medicare Part D claims for 553 patients. 81% of them were for generic drugs. CMS names the drug for 3,185 of them, across 36 drugs with 11 or more claims each, at $3,529,335 in total drug cost. In 2023, CMS named 3,116 claims across 36 drugs.
Part D claims, 20243,358
Drugs named by CMS36
Total drug cost$3.5M
Part D patients553
Dr. Horvath's Part D claims by kind of drug, 2024
- Generic2,717 claims81%
- Brand-name and other641 claims19%
Dr. Horvath'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. Horvath's Part D claims, 2024
- Opioids2%51 of 3,358 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: 3,1162024: 3,1852%
Drugs named by CMS: 36 in 2024, 36 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. Jeffrey R. Horvath scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Horvath for performance year 2024, reported through an alternative payment model (APM). Dr. Horvath accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Horvath's MIPS scores, performance year 2024
- 89of 100Final score
- 75.6of 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. Jeffrey R. Horvath has worked on 1 clinical trial
Dmand AI links Dr. Horvath to 1 clinical trial. Conditions studied include Arthritis, Rheumatoid and Rheumatic Diseases.
Conditions in Dr. Horvath's trials
- Arthritis, Rheumatoid
- Rheumatic Diseases
Investigators on the most trials with Dr. Horvath
- Jason Paul Guthrie, MD1 shared trial
- Nicholas Holdgate, MD1 shared trial
- Amber R. Khan, MD1 shared trial
Recent clinical trials with Dr. Horvath
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jeffrey R. Horvath received $282,295 in industry payments from 2016 to 2025
CMS Open Payments shows 1,548 general payments to Dr. Horvath from 24 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 61% of the total. Abbvie Inc. paid the most, $118,800.
General payments to Dr. Horvath by program year, 2016 to 2025
General payments to Dr. Horvath by kind, 2016 to 2025
$282.3Kin total
- Speaker and faculty fees$171,20961%
- Honoraria$52,17518%
- Food and beverage$31,20911%
- Travel and lodging$27,18310%
- Education$5190%
Companies that paid Dr. Horvath 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. Jeffrey R. Horvath graduated from Southern Illinois University School of Medicine
Dr. Horvath graduated from Southern Illinois University School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey R. Horvath'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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. Jeffrey R. Horvath
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. Jeffrey R. Horvath's NPI number?
Dr. Jeffrey R. Horvath's NPI number is 1588761811. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey R. Horvath?
Dr. Jeffrey R. Horvath is a rheumatologist in Jacksonville, Illinois. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Jeffrey R. Horvath practice?
Dr. Horvath practices at 15 Founders Lane, Jacksonville, IL 62650. Dr. Horvath's primary practice is Springfield Clinic Jacksonville in Jacksonville, Illinois. Dmand AI also links Dr. Horvath to 4 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Jeffrey R. Horvath's office phone number?
The practice phone on file for Dr. Horvath is (217) 291-1040.
What is Dr. Jeffrey R. Horvath's medical license number?
Dr. Horvath holds Illinois license 036-097710.
Which hospitals is Dr. Jeffrey R. Horvath affiliated with?
Dr. Horvath is affiliated with Jacksonville Memorial Hospital. Dmand AI links Dr. Horvath to 4 more hospitals.
What medical group is Dr. Jeffrey R. Horvath part of?
Dr. Horvath is linked to Springfield Clinic. Dmand AI links Dr. Horvath to 1 more medical group.
Does Dr. Jeffrey R. Horvath accept Medicare?
Yes. CMS data shows Dr. Horvath billed Medicare for 45,841 services in 2024, and Dr. Horvath accepts Medicare assignment.
What is Dr. Jeffrey R. Horvath's MIPS score?
Dr. Horvath's MIPS final score for performance year 2024 is 89 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Jeffrey R. Horvath see?
CMS counts 462 Medicare patients who saw Dr. Horvath in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Dr. Jeffrey R. Horvath bill to Medicare?
In 2024, Dr. Horvath's most billed Medicare services were injected or infused drug (J3262), injected or infused drug (J0129) and injected or infused drug (J1010).
Where did Dr. Jeffrey R. Horvath go to medical school?
Dr. Horvath graduated from Southern Illinois University School of Medicine in 1993.
What drugs does Dr. Jeffrey R. Horvath prescribe most?
In 2024 Medicare Part D data, Dr. Horvath's most prescribed drugs by claims were Prednisone, Methotrexate and Hydroxychloroquine Sulfate.
Has Dr. Jeffrey R. Horvath received payments from drug or device companies?
CMS Open Payments shows $282,295 in general payments to Dr. Horvath from 24 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Jeffrey R. Horvath been practicing?
Dr. Horvath graduated from medical school in 1993, 33 years ago.
Does Dr. Jeffrey R. Horvath do research?
Dr. Horvath has worked on 1 clinical trial.
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