Dr. Ratnesh Kumar, MBBS, MD

  • Oakbrook Terrace, IL
  • Pediatrician
NPI1952544918PAC ID1355606559
Medicare services, 2024
415
Medicare patients, 2024
236
Part D claims, 2024
189
Hospital affiliations
1
Industry payments
$154
Practice address
1s210 Summit Ave, Oakbrook Terrace, IL 60181
Practice phone
Call (630) 282-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Summit Center for Health - Surgery Center

Surgery Center - Not Medicare-Certified · Oakbrook Terrace, Illinois

See all 6 affiliations

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Dr. Ratnesh Kumar is a pediatrician in Oakbrook Terrace, Illinois

Dr. Kumar practices at Summit Center for Health - Surgery Center in Oakbrook Terrace, Illinois.

Dr. Kumar's NPI, 1952544918, was assigned on April 7, 2009. Dr. Kumar holds Illinois license 036.140474.

NPI and contact details
Medicare PAC ID
1355606559
NPI enumeration date
April 7, 2009
NPI status
Active
Practice phone
(630) 282-6000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Ratnesh Kumar practices at Summit Center for Health - Surgery Center in Oakbrook Terrace, Illinois

Dr. Kumar's primary practice is Summit Center for Health - Surgery Center, at 1s210 Summit Ave, Oakbrook Terrace, IL 60181. The practice phone is (630) 282-6000.

  • Summit Center for Health - Surgery Center
    1s210 Summit Ave, Oakbrook Terrace, IL 60181Phone(630) 282-6000

Source: Dmand AI Affiliation Data

Dr. Ratnesh Kumar is affiliated with 3 sites of care and 3 medical groups

Dr. Kumar's primary practice is Summit Center for Health - Surgery Center in Oakbrook Terrace, Illinois. Dr. Kumar is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Skyline Physicians. Dmand AI also links Dr. Kumar to 2 more medical groups and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Kumar

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ratnesh Kumar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kumar practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Summit Center for Health - Surgery CenterAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ratnesh Kumar is one of 2,423 pediatricians in Illinois

Pediatrics is Dr. Kumar's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. Kumar's licenses on file in 2 states: Illinois and Connecticut.

Specialties and state licenses

  • Pediatrics, IllinoisPrimaryLicense 036.140474 · taxonomy 208000000X
  • Connecticut licenseLicense 053520

Pediatricians near Dr. Kumar

Counts of pediatricians with a Dmand AI profile, by place and practice. Each opens the list.

2,423pediatricians in Illinois
2pediatricians in Oakbrook Terrace

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ratnesh Kumar billed Medicare for 415 services in 2024

CMS data shows 415 Medicare services from Dr. Kumar across 9 procedure codes in 2024, for 236 Medicare patients. Medicare paid $21,004 for them. Every service was in an office.

Medicare services, 2024415
Medicare patients236
Paid by Medicare$21,004
Procedure codes9

Dr. Kumar's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1652024: 27064%
Lab and pathology
2023: 642024: 11580%
Tests and treatments
2023: 182024: 18No change
Imaging
2023: 112024: 129%

Dr. Kumar compared with the Illinois median for pediatricians, 2024

  • Dr. Kumar
  • Illinois median
Medicare services
415vs 1602.6 times
Medicare patients
236vs 822.9 times
Part D claims
100vs 224.5 times

Medians across 297 pediatricians in Illinois with Dmand AI profiles that report each measure.

Dr. Kumar'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. Ratnesh Kumar treated 236 Medicare patients in 2024, average age 71

CMS counts 236 Medicare patients who saw Dr. Kumar in 2024. The largest group is 65 to 74, with 97 patients. 74% of them have high cholesterol, and 70% have high blood pressure. 24% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kumar's median patient age at 25, with 57% women.

Medicare patients, 2024236
Average age71
Average risk score1.28
Also on Medicaid24%

Dr. Kumar's Medicare patients by age, 2024

Dr. Kumar's Medicare patients by sex, 2024

  • Women14461%
  • Men9239%

Chronic conditions among Dr. Kumar's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure70%
  3. Arthritis47%
  4. Diabetes30%
  5. Anxiety24%
  6. Chronic kidney disease24%
  7. Ischemic heart disease24%
  8. Mood disorders22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Kumar's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 25

Patient panel by sex, all payers

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ratnesh Kumar wrote 189 Medicare Part D claims in 2024

In 2024, Dr. Kumar wrote 189 Medicare Part D claims for 133 patients. 93% of them were for generic drugs. CMS names the drug for 100 of them, across 5 drugs with 11 or more claims each, at $840 in total drug cost. In 2023, CMS named 47 claims across 2 drugs.

Part D claims, 2024189
Drugs named by CMS5
Total drug cost$840
Part D patients133

Dr. Kumar's Part D claims by kind of drug, 2024

  • Generic176 claims93%
  • Brand-name13 claims7%

Dr. Kumar'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. Kumar's Part D claims, 2024

  • Antibiotics62%118 of 189 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: 472024: 100113%

Drugs named by CMS: 5 in 2024, 2 in 2023.

See all prescribing by Dr. Kumar

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

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Dr. Ratnesh Kumar received $154 in industry payments from 2023 to 2025

CMS Open Payments shows 7 general payments to Dr. Kumar from 6 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $48.

General payments to Dr. Kumar by program year, 2023 to 2025

Companies that paid Dr. Kumar the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kumar

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Ratnesh Kumar's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ratnesh Kumar

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. Ratnesh Kumar's NPI number?

Dr. Ratnesh Kumar's NPI number is 1952544918. It was assigned on April 7, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Ratnesh Kumar?

Dr. Ratnesh Kumar is a pediatrician in Oakbrook Terrace, Illinois. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Ratnesh Kumar practice?

Dr. Kumar practices at 1s210 Summit Ave, Oakbrook Terrace, IL 60181. Dr. Kumar's primary practice is Summit Center for Health - Surgery Center in Oakbrook Terrace, Illinois. Dmand AI also links Dr. Kumar to 2 medical groups and 1 group practice or clinic.

What is Dr. Ratnesh Kumar's office phone number?

The practice phone on file for Dr. Kumar is (630) 282-6000.

What is Dr. Ratnesh Kumar's medical license number?

Dr. Kumar holds Illinois license 036.140474, one of the licenses on file in 2 states.

Which states has Dr. Ratnesh Kumar been licensed in?

Dmand AI has state licenses on file for Dr. Kumar in Illinois and Connecticut.

Which hospitals is Dr. Ratnesh Kumar affiliated with?

Dr. Kumar is affiliated with Northwestern Medicine Central DuPage Hospital.

What medical group is Dr. Ratnesh Kumar part of?

Dr. Kumar is linked to Skyline Physicians. Dmand AI links Dr. Kumar to 2 more medical groups.

Does Dr. Ratnesh Kumar accept Medicare?

Yes. CMS data shows Dr. Kumar billed Medicare for 415 services in 2024.

How many Medicare patients does Dr. Ratnesh Kumar see?

CMS counts 236 Medicare patients who saw Dr. Kumar in 2024, with an average age of 71.

Show 4 more questionsShow fewer questions

What services does Dr. Ratnesh Kumar bill to Medicare?

In 2024, Dr. Kumar's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and lab and pathology test (87880).

What drugs does Dr. Ratnesh Kumar prescribe most?

In 2024 Medicare Part D data, Dr. Kumar's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Amoxicillin and Albuterol Sulfate Hfa.

Has Dr. Ratnesh Kumar received payments from drug or device companies?

CMS Open Payments shows $154 in general payments to Dr. Kumar from 6 companies from 2023 to 2025. The largest total came from Hologic Inc.

How long has Dr. Ratnesh Kumar been practicing?

Dr. Kumar graduated from medical school in 2006, 20 years ago.

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