Diagnostic ImagingKidney CalculiNephrolithiasis
Dr. Robert S. Mathias, MD
NPI1215965595PAC ID0547278301
- Part D claims, 2024
- 12
- Publications
- 23
- Clinical trials
- 3
- Hospital affiliations
- 3
- Industry payments
- $7,286
- Practice address
- 4440 W 95th Street, Oak Lawn, IL 60453
- Practice phone
- Call (708) 684-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mathias' 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. Robert S. Mathias is a pediatric nephrology physician in Oak Lawn, Illinois
Dr. Mathias practices at Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health.
Dr. Mathias' NPI, 1215965595, was assigned on June 28, 2006. Dr. Mathias graduated from Rush Medical College in 1983. Dr. Mathias holds Florida license ME96677.
NPI and contact details
- NPI
- 1215965595NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547278301
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 684-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert S. Mathias practices at Advocate Christ Medical Center in Oak Lawn, Illinois
Dr. Mathias' primary practice is Advocate Christ Medical Center, at 4440 W 95th Street, Oak Lawn, IL 60453 in Cook County. The practice phone is (708) 684-8000.
- Advocate Christ Medical Center4440 W 95th Street, Oak Lawn, IL 60453 · Cook CountyPhone(708) 684-8000
Source: Dmand AI Affiliation Data
Dr. Robert S. Mathias is affiliated with 4 sites of care and 4 medical groups
Dr. Mathias' primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. Dr. Mathias is also affiliated with UF Health Shands Hospital. The medical group on file is University of Mississippi Medical Center. Dmand AI also links Dr. Mathias to 1 more hospital, 3 medical groups and 1 group practice or clinic, each named with a free account.
UF Health Shands HospitalUniversity of Mississippi Medical Center1 hospitalName with a free account3 medical groupsNames with a free account1 group practice or clinicName with a free account
See all 8 affiliations for Dr. MathiasSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert S. Mathias' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mathias practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Christ Medical Center | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Robert S. Mathias is one of 37 pediatric nephrology physicians in Illinois
Pediatric nephrology is Dr. Mathias' primary specialty in the NPI Registry, under taxonomy code 2080P0210X. Dr. Mathias is board certified in pediatric nephrology by the American Board of Pediatrics. Dmand AI has Dr. Mathias' licenses on file in 6 states: Florida, California, Maine, Illinois, North Dakota and Delaware.
Specialties and state licenses
- Pediatric nephrology, FloridaPrimary
- California license
- Maine license
- Illinois license
- North Dakota license
- Delaware license
Pediatric nephrology physicians near Dr. Mathias
Counts of pediatric nephrology physicians with a Dmand AI profile, by place and practice. Each opens the list.
37pediatric nephrology physicians in Illinois
2pediatric nephrology physicians in Oak Lawn
2pediatric nephrology physicians at Advocate Christ Medical CenterSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert S. Mathias' patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Mathias' median patient age at 13, with 42% women.
Dr. Mathias' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. Robert S. Mathias wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Mathias wrote 12 Medicare Part D claims. 92% of them were for generic drugs. They cover 5 drugs, with $4,308 in total drug cost. In 2020, CMS named 45 claims across 3 drugs.
Part D claims, 202412
Drugs named by CMS5
Total drug cost$4,308
Dr. Mathias' Part D claims by kind of drug, 2024
- Generic11 claims92%
- Brand-name and other1 claims8%
Dr. Mathias' most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 452021: 7771%
Drugs named by CMS: 5 in 2021, 3 in 2020.
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. Robert S. Mathias takes part in Medicare
Dr. Mathias 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)
For MedTech and pharma teams
Find pediatric nephrology physicians like Dr. Mathias by procedure volume and prescribing
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Dr. Robert S. Mathias has 23 publications on record
Dmand AI links 23 papers to Dr. Mathias, published from 2005 to 2021. 2007 was the busiest year, with 2. The most frequent topics are Kidney Transplantation, Calcium and Kidney Failure, Chronic. Dr. Mathias has published most often in Pediatr Nephrol. Dr. Mathias' most frequent co-authors are Vikas Ramnath Dharnidharka, MD, William Harmon and Minnie M. Sarwal, MD, PhD.
Papers23
Years published2005 to 2021
Dr. Mathias' papers by year, 2005 to 2021
Topics Dr. Mathias writes about most
- Kidney Transplantation
- Calcium
- Kidney Failure, Chronic
- Parathyroid Hormone
- Rats, Sprague-Dawley
- California
- Dental Enamel
- Fluorides
Dr. Mathias' most frequent co-authors
- Vikas Ramnath Dharnidharka, MD2 shared papers
- William Harmon2 shared papers
- Minnie M. Sarwal, MD, PhD2 shared papers
Recent publications by Dr. Mathias
Graft RejectionImmunosuppressive AgentsKidney Transplantation
See who Dr. Mathias researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mathias works with, so you can find a warm path to the right pediatric nephrology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert S. Mathias has worked on 3 clinical trials
Dmand AI links Dr. Mathias to 3 clinical trials, 2 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Atypical Hemolytic Uremic Syndrome, Hyperphosphatemia and Nephrotic Syndrome. Open Payments lists research payments to Dr. Mathias that name 1 trial.
Conditions in Dr. Mathias' trials
- Atypical Hemolytic Uremic Syndrome
- Hyperphosphatemia
- Nephrotic Syndrome
- Hemolytic-Uremic Syndrome
- Nephrosis
Investigators on the most trials with Dr. Mathias
- Guillermo Hidalgo, MD2 shared trials
- Shashi Kumar Nagaraj, MD2 shared trials
- David M. Aboulafia, MD1 shared trial
Recent clinical trials with Dr. Mathias
HyperphosphatemiaPhosphorus Metabolism DisordersCalcium Acetate (Phoslyra®)PA21 (Velphoro®)
Adrenocorticotropic Hormone (ACTH) for Frequently Relapsing and Steroid Dependent Nephrotic Syndrome (opens in a new tab)
CompletedPhase 3
Nephrotic SyndromeNephrosisACTH
$4,030 in research paymentsAtypical Hemolytic Uremic SyndromeHemolytic-Uremic Syndrome
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Robert S. Mathias received $7,286 in industry payments from 2016 to 2025
CMS Open Payments shows 40 general payments to Dr. Mathias from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 45% of the total. Alexion Pharmaceuticals, Inc. paid the most, $6,922. It also lists 1 research payment totaling $4,030 in 2019, naming 1 clinical trial.
General payments to Dr. Mathias by program year, 2016 to 2025
General payments to Dr. Mathias by kind, 2016 to 2025
$7.3Kin total
- Consulting fees$3,30045%
- Honoraria$1,50021%
- Food and beverage$1,29418%
- Travel and lodging$1,18616%
- Education$60%
Companies that paid Dr. Mathias 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. Robert S. Mathias has 1 award and honors on record
Dmand AI lists 1 award for Dr. Mathias.
Awards and honors for Dr. Mathias
- Undated
- Whos Who
Source: Dmand AI Professional Profile Data
Dr. Robert S. Mathias graduated from Rush Medical College
Dr. Mathias graduated from Rush Medical College in 1983.
- Medical school
- Board certified in pediatric nephrology
Source: Dmand AI Professional Profile Data
Dr. Robert S. Mathias accepts plans from 19 insurance carriers
Dr. Mathias is in network with 19 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- United Healthcare
- Blue Cross Blue Shield of North Dakota
- Medica
- +11 more carriersWith a free account
Plan types Dr. Mathias accepts, by number of carriers
- PPO13
- Medicare10
- HMO9
- POS8
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert S. Mathias'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Robert S. Mathias
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. Robert S. Mathias' NPI number?
Dr. Robert S. Mathias' NPI number is 1215965595. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert S. Mathias?
Dr. Robert S. Mathias is a pediatric nephrology physician in Oak Lawn, Illinois. The primary specialty in the NPI Registry is Pediatric Nephrology Physician (taxonomy code 2080P0210X).
Where does Dr. Robert S. Mathias practice?
Dr. Mathias practices at 4440 W 95th Street, Oak Lawn, IL 60453. Dr. Mathias' primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. Dmand AI also links Dr. Mathias to 1 hospital, 3 medical groups and 1 group practice or clinic.
What is Dr. Robert S. Mathias' office phone number?
The practice phone on file for Dr. Mathias is (708) 684-8000.
What is Dr. Robert S. Mathias' medical license number?
Dr. Mathias holds Florida license ME96677, one of the licenses on file in 6 states.
Which states has Dr. Robert S. Mathias been licensed in?
Dmand AI has state licenses on file for Dr. Mathias in Florida (2006 to 2027), California (since 1985), Maine (since 1990), Illinois (2023 to 2026), North Dakota (2022 to 2026) and Delaware (2010 to 2011).
Which hospitals is Dr. Robert S. Mathias affiliated with?
Dr. Mathias practices at Advocate Christ Medical Center in Oak Lawn, Illinois. Dr. Mathias is also affiliated with UF Health Shands Hospital. Dmand AI links Dr. Mathias to 1 more hospital.
What medical group is Dr. Robert S. Mathias part of?
Dr. Mathias is linked to University of Mississippi Medical Center. Dmand AI links Dr. Mathias to 3 more medical groups.
Does Dr. Robert S. Mathias accept Medicare?
Yes. CMS lists Dr. Mathias as accepting Medicare assignment.
Is Dr. Robert S. Mathias board certified?
Yes. Dr. Mathias is board certified in pediatric nephrology by the American Board of Pediatrics.
Show 7 more questionsShow fewer questions
Where did Dr. Robert S. Mathias go to medical school?
Dr. Mathias graduated from Rush Medical College in 1983.
What drugs does Dr. Robert S. Mathias prescribe most?
In 2021 Medicare Part D data, Dr. Mathias' most prescribed drugs by claims were Mycophenolate Mofetil, Prednisone and Tacrolimus.
Has Dr. Robert S. Mathias received payments from drug or device companies?
CMS Open Payments shows $7,286 in general payments to Dr. Mathias from 9 companies from 2016 to 2025. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Robert S. Mathias been practicing?
Dr. Mathias graduated from medical school in 1983, 43 years ago.
Does Dr. Robert S. Mathias do research?
Dmand AI links 23 publications to Dr. Mathias, published from 2005 to 2021. Dr. Mathias has worked on 3 clinical trials.
Who does Dr. Robert S. Mathias publish with?
Dr. Mathias' most frequent co-authors are Vikas Ramnath Dharnidharka, MD (2 shared papers), William Harmon (2 shared papers) and Minnie M. Sarwal, MD, PhD (2 shared papers).
What insurance does Dr. Robert S. Mathias accept?
Dr. Mathias is in network with 19 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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