Resuscitation
Academic Medical CentersHospital MortalityPatient Admission
Dr. Leon Michael Sujata, MD
NPI1154563724PAC ID8729202015
- Medicare services, 2024
- 2,375
- Medicare patients, 2024
- 459
- Part D claims, 2024
- 809
- Publications
- 2
- Hospital affiliations
- 4
- Practice address
- 120 W 22nd St, Oak Brook, IL 60523
- Practice phone
- Call (847) 918-0592
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lake County Dialysis Services
Oak Brook, Illinois
Find Dr. Sujata'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. Leon Michael Sujata is a nephrologist in Oak Brook, Illinois
Dr. Sujata practices at Lake County Dialysis Services in Oak Brook, Illinois.
Dr. Sujata's NPI, 1154563724, was assigned on March 29, 2009. Dr. Sujata graduated from Loyola University of Chicago, Stritch School of Medicine in 2005. Dr. Sujata holds Illinois license 036135093.
NPI and contact details
- NPI
- 1154563724NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729202015
- NPI enumeration date
- March 29, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 918-0592
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leon Michael Sujata practices at Lake County Dialysis Services in Oak Brook, Illinois
Dr. Sujata's primary practice is Lake County Dialysis Services, at 120 W 22nd St, Oak Brook, IL 60523 in Dupage County. The practice phone is (847) 918-0592.
- Lake County Dialysis Services120 W 22nd St, Oak Brook, IL 60523 · Dupage CountyPhone(847) 918-0592
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leon Michael Sujata is affiliated with 10 sites of care and 2 medical groups
Dr. Sujata's primary practice is Lake County Dialysis Services in Oak Brook, Illinois. Dr. Sujata is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. The medical group on file is Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI also links Dr. Sujata to 3 more hospitals, 3 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.
Lake County Dialysis ServicesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leon Michael Sujata's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sujata practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lake County Dialysis Services | Available with a free account |
| +9 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. Sujata practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leon Michael Sujata is one of 534 nephrologists in Illinois
Nephrology is Dr. Sujata's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Sujata's licenses on file in 2 states: Illinois and North Carolina.
Specialties and state licenses
- Nephrology, IllinoisPrimary
- North Carolina license
Nephrologists near Dr. Sujata
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. Leon Michael Sujata billed Medicare for 2,375 services in 2024
CMS data shows 2,375 Medicare services from Dr. Sujata across 11 procedure codes in 2024, for 459 Medicare patients. Medicare paid $238,193 for them.
Medicare services, 20242,375
Medicare patients459
Paid by Medicare$238,193
Procedure codes11
Dr. Sujata's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8852024: 1,7298%
- Tests and treatments
- 2023: 4592024: 35124%
- Other services
- 2023: 02024: 295
Where Dr. Sujata's Medicare services took place, 2024
- In an office1,15449%
- In a facility1,22151%
Dr. Sujata compared with the Illinois median for nephrologists, 2024
- Dr. Sujata
- Illinois median
- Medicare services
- 2,375vs 1,28485% above
- Medicare patients
- 459vs 35729% above
- Part D claims
- 638vs 57810% above
Medians across 526 nephrologists in Illinois with Dmand AI profiles that report each measure.
Dr. Sujata'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.
Need commercial claims for Dr. Sujata?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sujata and other nephrologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leon Michael Sujata treated 459 Medicare patients in 2024, average age 75
CMS counts 459 Medicare patients who saw Dr. Sujata in 2024. The largest group is 75 to 84, with 165 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 36% are also on Medicaid. Their average risk score is 3.92, 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. Sujata's median patient age at 71, with 46% women.
Medicare patients, 2024459
Average age75
Average risk score3.92
Also on Medicaid36%
Dr. Sujata's Medicare patients by age, 2024
Dr. Sujata's Medicare patients by sex, 2024
- Women22148%
- Men23852%
Chronic conditions among Dr. Sujata's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes66%
- Arthritis57%
- Heart failure56%
- Ischemic heart disease48%
- Atrial fibrillation40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sujata's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leon Michael Sujata wrote 809 Medicare Part D claims in 2024
In 2024, Dr. Sujata wrote 809 Medicare Part D claims for 157 patients. 59% of them were for generic drugs. CMS names the drug for 638 of them, across 16 drugs with 11 or more claims each, at $274,550 in total drug cost. In 2023, CMS named 652 claims across 19 drugs.
Part D claims, 2024809
Drugs named by CMS16
Total drug cost$274,550
Part D patients157
Dr. Sujata's Part D claims by kind of drug, 2024
- Generic481 claims59%
- Brand-name328 claims41%
Dr. Sujata'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. Sujata's Part D claims, 2024
- Antibiotics2%17 of 809 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: 6522024: 6382%
Drugs named by CMS: 16 in 2024, 19 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. Leon Michael Sujata offers telehealth to Medicare patients
Dr. Sujata accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sujata as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find nephrologists like Dr. Sujata by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leon Michael Sujata has 2 publications on record
Dmand AI links 2 papers to Dr. Sujata in 2011. Dr. Sujata's most frequent co-authors are Pirouz Daeihagh, MD, Barry Ira Freedman, MD and Mary Ann Knovich, MD.
Papers2
Dr. Sujata's most frequent co-authors
- Pirouz Daeihagh, MD2 shared papers
- Barry Ira Freedman, MD1 shared paper
- Mary Ann Knovich, MD1 shared paper
Recent publications by Dr. Sujata
Diabet Med
Black or African AmericanBlood GlucoseDiabetes Mellitus, Type 2
See who Dr. Sujata researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sujata works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Leon Michael Sujata received $21,562 in industry payments from 2016 to 2025
CMS Open Payments shows 274 general payments to Dr. Sujata from 36 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 69% of the total. Mallinckrodt Enterprises LLC paid the most, $15,715.
General payments to Dr. Sujata by program year, 2016 to 2025
General payments to Dr. Sujata by kind, 2016 to 2025
$21.6Kin total
- Speaker and faculty fees$14,90069%
- Food and beverage$6,27929%
- Education$2201%
- Travel and lodging$1631%
Companies that paid Dr. Sujata 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. Leon Michael Sujata graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Sujata graduated from Loyola University of Chicago, Stritch School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leon Michael Sujata'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) |
| Publications, topics and co-authors | PubMed (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. Leon Michael Sujata
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. Leon Michael Sujata's NPI number?
Dr. Leon Michael Sujata's NPI number is 1154563724. It was assigned on March 29, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Leon Michael Sujata?
Dr. Leon Michael Sujata is a nephrologist in Oak Brook, Illinois. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Leon Michael Sujata practice?
Dr. Sujata practices at 120 W 22nd St, Oak Brook, IL 60523. Dr. Sujata's primary practice is Lake County Dialysis Services in Oak Brook, Illinois. Dmand AI also links Dr. Sujata to 3 hospitals, 3 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Leon Michael Sujata's office phone number?
The practice phone on file for Dr. Sujata is (847) 918-0592.
What is Dr. Leon Michael Sujata's medical license number?
Dr. Sujata holds Illinois license 036135093, one of the licenses on file in 2 states.
Which states has Dr. Leon Michael Sujata been licensed in?
Dmand AI has state licenses on file for Dr. Sujata in Illinois and North Carolina.
Which hospitals is Dr. Leon Michael Sujata affiliated with?
Dr. Sujata is affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. Dmand AI links Dr. Sujata to 3 more hospitals.
What medical group is Dr. Leon Michael Sujata part of?
Dr. Sujata is linked to Nephrology Associates of Northern Illinois and Indiana (NANI). Dmand AI links Dr. Sujata to 1 more medical group.
Does Dr. Leon Michael Sujata accept Medicare?
Yes. CMS data shows Dr. Sujata billed Medicare for 2,375 services in 2024, and Dr. Sujata accepts Medicare assignment.
Does Dr. Leon Michael Sujata offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sujata as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Leon Michael Sujata see?
CMS counts 459 Medicare patients who saw Dr. Sujata in 2024, with an average age of 75.
What services does Dr. Leon Michael Sujata bill to Medicare?
In 2024, Dr. Sujata's most billed Medicare services were hospital inpatient care (99233), medicare service (G2211) and office visit, established patient (99214).
Where did Dr. Leon Michael Sujata go to medical school?
Dr. Sujata graduated from Loyola University of Chicago, Stritch School of Medicine in 2005.
What drugs does Dr. Leon Michael Sujata prescribe most?
In 2024 Medicare Part D data, Dr. Sujata's most prescribed drugs by claims were Farxiga, Furosemide and Jardiance.
Has Dr. Leon Michael Sujata received payments from drug or device companies?
CMS Open Payments shows $21,562 in general payments to Dr. Sujata from 36 companies from 2016 to 2025. The largest total came from Mallinckrodt Enterprises LLC.
How long has Dr. Leon Michael Sujata been practicing?
Dr. Sujata graduated from medical school in 2005, 21 years ago.
Does Dr. Leon Michael Sujata do research?
Dmand AI links 2 publications to Dr. Sujata.
Who does Dr. Leon Michael Sujata publish with?
Dr. Sujata's most frequent co-authors are Pirouz Daeihagh, MD (2 shared papers), Barry Ira Freedman, MD (1 shared paper) and Mary Ann Knovich, MD (1 shared paper).
Selling to nephrology practices?
See nephrologists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card