Dr. Varun Kumar Kalhan, DO
- Medicare services, 2024
- 553
- Medicare patients, 2024
- 198
- Part D claims, 2024
- 1,151
- Industry payments
- $2,444
- Affiliated sites
- 2
- Practice address
- 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137
- Practice phone
- Call (630) 469-9200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duly Health and Care
Glen Ellyn, Illinois
Find Dr. Kalhan'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. Varun Kumar Kalhan is an internist in Glen Ellyn, Illinois
Dr. Kalhan practices at Duly Health and Care in Glen Ellyn, Illinois.
Dr. Kalhan's NPI, 1427611441, was assigned on April 16, 2019. Dr. Kalhan holds Illinois license 036-160239.
- NPI
- 1427611441NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860729415
- NPI enumeration date
- April 16, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 469-9200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Varun Kumar Kalhan practices at Duly Health and Care in Glen Ellyn, Illinois
Dr. Kalhan's primary practice is Duly Health and Care, at 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137 in Dupage County. The practice phone is (630) 469-9200.
- Duly Health and Care430-54 Pennsylvania Ave, Glen Ellyn, IL 60137 · Dupage CountyPhone(630) 469-9200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Varun Kumar Kalhan is affiliated with 3 sites of care and 2 medical groups
Dr. Kalhan's primary practice is Duly Health and Care in Glen Ellyn, Illinois. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Kalhan to 1 more group practice or clinic, 1 therapy and rehab clinic and 1 medical group, each named with a free account. Dr. Kalhan's employer is on file too: a physical therapy & rehab clinic.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Varun Kumar Kalhan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kalhan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duly Health and Care | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Varun Kumar Kalhan is one of 5,652 internists in Illinois
Internal medicine is Dr. Kalhan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kalhan is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Kalhan
Counts of internists 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. Varun Kumar Kalhan billed Medicare for 553 services in 2024
CMS data shows 553 Medicare services from Dr. Kalhan across 14 procedure codes in 2024, for 198 Medicare patients. Medicare paid $28,599 for them. Every service was in an office.
Dr. Kalhan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2832024: 25410%
- Lab and pathology
- 2023: 1842024: 1698%
- Surgery
- 2023: 762024: 805%
- Other services
- 2023: 212024: 3462%
- Tests and treatments
- 2023: 132024: 1623%
Dr. Kalhan compared with the Illinois median for internists, 2024
- Dr. Kalhan
- Illinois median
- Medicare services
- 553vs 566Close to median
- Medicare patients
- 198vs 208Close to median
- Part D claims
- 715vs 2842.5 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Kalhan'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kalhan and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Varun Kumar Kalhan treated 198 Medicare patients in 2024, average age 73
CMS counts 198 Medicare patients who saw Dr. Kalhan in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kalhan's median patient age at 51, with 38% women.
Dr. Kalhan's Medicare patients by age, 2024
Dr. Kalhan's Medicare patients by sex, 2024
- Women11257%
- Men8643%
Chronic conditions among Dr. Kalhan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis56%
- Ischemic heart disease32%
- Diabetes28%
- Chronic kidney disease27%
- Anxiety25%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kalhan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women38%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Varun Kumar Kalhan wrote 1,151 Medicare Part D claims in 2024
In 2024, Dr. Kalhan wrote 1,151 Medicare Part D claims for 309 patients. 90% of them were for generic drugs. CMS names the drug for 715 of them, across 27 drugs with 11 or more claims each, at $17,453 in total drug cost. In 2023, CMS named 530 claims across 22 drugs.
Dr. Kalhan's Part D claims by kind of drug, 2024
- Generic1,039 claims90%
- Brand-name and other112 claims10%
Dr. Kalhan'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. Kalhan's Part D claims, 2024
- Opioids2%19 of 1,151 claims
- Antibiotics9%106 of 1,151 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: 5302024: 71535%
Drugs named by CMS: 27 in 2024, 22 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. Varun Kumar Kalhan takes part in Medicare
Dr. Kalhan 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. Varun Kumar Kalhan received $2,444 in industry payments from 2022 to 2025
CMS Open Payments shows 122 general payments to Dr. Kalhan from 17 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $446.
General payments to Dr. Kalhan by program year, 2022 to 2025
Companies that paid Dr. Kalhan the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Varun Kumar Kalhan'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Varun Kumar Kalhan
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. Varun Kumar Kalhan's NPI number?
Dr. Varun Kumar Kalhan's NPI number is 1427611441. It was assigned on April 16, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Varun Kumar Kalhan?
Dr. Varun Kumar Kalhan is an internist in Glen Ellyn, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Varun Kumar Kalhan practice?
Dr. Kalhan practices at 430-54 Pennsylvania Ave, Glen Ellyn, IL 60137. Dr. Kalhan's primary practice is Duly Health and Care in Glen Ellyn, Illinois. Dmand AI also links Dr. Kalhan to 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Varun Kumar Kalhan's office phone number?
The practice phone on file for Dr. Kalhan is (630) 469-9200.
What is Dr. Varun Kumar Kalhan's medical license number?
Dr. Kalhan holds Illinois license 036-160239.
What medical group is Dr. Varun Kumar Kalhan part of?
Dr. Kalhan is linked to DuPage Medical Group. Dmand AI links Dr. Kalhan to 1 more medical group.
Does Dr. Varun Kumar Kalhan accept Medicare?
Yes. CMS data shows Dr. Kalhan billed Medicare for 553 services in 2024, and Dr. Kalhan accepts Medicare assignment.
How many Medicare patients does Dr. Varun Kumar Kalhan see?
CMS counts 198 Medicare patients who saw Dr. Kalhan in 2024, with an average age of 73.
What services does Dr. Varun Kumar Kalhan bill to Medicare?
In 2024, Dr. Kalhan's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (80053).
What drugs does Dr. Varun Kumar Kalhan prescribe most?
In 2024 Medicare Part D data, Dr. Kalhan's most prescribed drugs by claims were Methylprednisolone, Atorvastatin Calcium and Fluticasone Propionate.
Has Dr. Varun Kumar Kalhan received payments from drug or device companies?
CMS Open Payments shows $2,444 in general payments to Dr. Kalhan from 17 companies from 2022 to 2025. The largest total came from Eli Lilly and Company.
How long has Dr. Varun Kumar Kalhan been practicing?
Dr. Kalhan graduated from medical school in 2019, 7 years ago.
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