Dr. Joseph Repaso Santos, DO
- Medicare services, 2024
- 3,770
- Medicare patients, 2024
- 431
- Part D claims, 2024
- 2,983
- Hospital affiliations
- 5
- Industry payments
- $274
- Practice address
- 120 W 22nd St, Oak Brook, IL 60523
- Practice phone
- Call (317) 787-3171
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marion County Dialysis
Oak Brook, Illinois
Find Dr. Santos' 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. Joseph Repaso Santos is a nephrologist in Oak Brook, Illinois
Dr. Santos practices at Marion County Dialysis in Oak Brook, Illinois.
Dr. Santos' NPI, 1801896253, was assigned on July 28, 2005. Dr. Santos graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1999. Dr. Santos holds Indiana license 02002287A.
- NPI
- 1801896253NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446298392
- NPI enumeration date
- July 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 787-3171
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph Repaso Santos practices at Marion County Dialysis in Oak Brook, Illinois
Dr. Santos' primary practice is Marion County Dialysis, at 120 W 22nd St, Oak Brook, IL 60523 in Dupage County. The practice phone is (317) 787-3171.
- Marion County Dialysis120 W 22nd St, Oak Brook, IL 60523 · Dupage CountyPhone(317) 787-3171
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joseph Repaso Santos is affiliated with 8 sites of care and 1 medical group
Dr. Santos' primary practice is Marion County Dialysis in Oak Brook, Illinois. Dr. Santos is also affiliated with IU Health Methodist Hospital. The medical group on file is NANI - Nephrology Associates of Northern Illinois & Indiana. Dmand AI also links Dr. Santos to 4 more hospitals, 1 dialysis center and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Repaso Santos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Santos practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marion County Dialysis | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph Repaso Santos is one of 534 nephrologists in Illinois
Nephrology is Dr. Santos' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Santos is licensed in Indiana.
Specialties and state licenses
- Nephrology, IndianaPrimary
Nephrologists near Dr. Santos
Counts of nephrologists 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. Joseph Repaso Santos billed Medicare for 3,770 services in 2024
CMS data shows 3,770 Medicare services from Dr. Santos across 17 procedure codes in 2024, for 431 Medicare patients. Medicare paid $168,944 for them.
Dr. Santos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,5252024: 3,29230%
- Other services
- 2023: 02024: 422
- Tests and treatments
- 2023: 1262024: 5656%
- Lab and pathology
- 2023: 132024: 0100%
Where Dr. Santos' Medicare services took place, 2024
- In an office3,30588%
- In a facility46512%
Dr. Santos compared with the Illinois median for nephrologists, 2024
- Dr. Santos
- Illinois median
- Medicare services
- 3,770vs 1,2842.9 times
- Medicare patients
- 431vs 35721% above
- Part D claims
- 2,833vs 5784.9 times
Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.
Dr. Santos' 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.
Need commercial claims for Dr. Santos?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Santos and other nephrologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph Repaso Santos treated 431 Medicare patients in 2024, average age 75
CMS counts 431 Medicare patients who saw Dr. Santos in 2024. The largest group is 75 to 84, with 196 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 3.30, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Santos' median patient age at 73, with 49% women.
Dr. Santos' Medicare patients by age, 2024
Dr. Santos' Medicare patients by sex, 2024
- Women21349%
- Men21851%
Chronic conditions among Dr. Santos' Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes57%
- Heart failure53%
- Ischemic heart disease53%
- Arthritis52%
- Mood disorders46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Santos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph Repaso Santos wrote 2,983 Medicare Part D claims in 2024
In 2024, Dr. Santos wrote 2,983 Medicare Part D claims for 367 patients. 95% of them were for generic drugs. CMS names the drug for 2,833 of them, across 25 drugs with 11 or more claims each, at $92,593 in total drug cost. In 2023, CMS named 2,394 claims across 26 drugs.
Dr. Santos' Part D claims by kind of drug, 2024
- Generic2,835 claims95%
- Brand-name and other148 claims5%
Dr. Santos' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,3942024: 2,83318%
Drugs named by CMS: 25 in 2024, 26 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
How Dr. Joseph Repaso Santos takes part in Medicare
Dr. Santos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joseph Repaso Santos received $274 in industry payments from 2017 to 2025
CMS Open Payments shows 20 general payments to Dr. Santos from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $185.
General payments to Dr. Santos by program year, 2017 to 2025
Companies that paid Dr. Santos the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph Repaso Santos graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Santos graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph Repaso Santos'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 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) |
| 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. Joseph Repaso Santos
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. Joseph Repaso Santos' NPI number?
Dr. Joseph Repaso Santos' NPI number is 1801896253. It was assigned on July 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Repaso Santos?
Dr. Joseph Repaso Santos is a nephrologist in Oak Brook, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Joseph Repaso Santos practice?
Dr. Santos practices at 120 W 22nd St, Oak Brook, IL 60523. Dr. Santos' primary practice is Marion County Dialysis in Oak Brook, Illinois. Dmand AI also links Dr. Santos to 4 hospitals, 1 dialysis center and 1 group practice or clinic.
What is Dr. Joseph Repaso Santos' office phone number?
The practice phone on file for Dr. Santos is (317) 787-3171.
What is Dr. Joseph Repaso Santos' medical license number?
Dr. Santos holds Indiana license 02002287A.
Which hospitals is Dr. Joseph Repaso Santos affiliated with?
Dr. Santos is affiliated with IU Health Methodist Hospital. Dmand AI links Dr. Santos to 4 more hospitals.
What medical group is Dr. Joseph Repaso Santos part of?
Dr. Santos is linked to NANI - Nephrology Associates of Northern Illinois & Indiana.
Does Dr. Joseph Repaso Santos accept Medicare?
Yes. CMS data shows Dr. Santos billed Medicare for 3,770 services in 2024, and Dr. Santos accepts Medicare assignment.
How many Medicare patients does Dr. Joseph Repaso Santos see?
CMS counts 431 Medicare patients who saw Dr. Santos in 2024, with an average age of 75.
What services does Dr. Joseph Repaso Santos bill to Medicare?
In 2024, Dr. Santos' most billed Medicare services were care management and other visits (99457), care management and other visits (99458) and care management and other visits (99454).
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Where did Dr. Joseph Repaso Santos go to medical school?
Dr. Santos graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1999.
What drugs does Dr. Joseph Repaso Santos prescribe most?
In 2024 Medicare Part D data, Dr. Santos' most prescribed drugs by claims were Torsemide, Losartan Potassium and Carvedilol.
Has Dr. Joseph Repaso Santos received payments from drug or device companies?
CMS Open Payments shows $274 in general payments to Dr. Santos from 5 companies from 2017 to 2025. The largest total came from Amgen Inc.
How long has Dr. Joseph Repaso Santos been practicing?
Dr. Santos graduated from medical school in 1999, 27 years ago.
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