Dr. Niroshan Kirupananthan, MD

  • Duarte, CA
  • Internist
NPI1366883068PAC ID8729377759
Medicare services, 2024
153
Medicare patients, 2024
139
Part D claims, 2024
15
Industry payments
$153
Affiliated sites
3
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (800) 826-4673
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

See all 6 affiliations

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Dr. Niroshan Kirupananthan is an internist in Duarte, California

Dr. Kirupananthan practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Dr. Kirupananthan's NPI, 1366883068, was assigned on July 10, 2013. Dr. Kirupananthan graduated from Saint James School of Medicine in 2013. Dr. Kirupananthan holds California license A170160.

NPI and contact details
Medicare PAC ID
8729377759
NPI enumeration date
July 10, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(800) 826-4673
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Niroshan Kirupananthan practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Dr. Kirupananthan's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (800) 826-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Niroshan Kirupananthan is affiliated with 4 sites of care and 2 medical groups

Dr. Kirupananthan's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Kirupananthan to 2 more group practices and clinics, 1 other site and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Kirupananthan

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. Niroshan Kirupananthan's practice

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

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Niroshan Kirupananthan is one of 16,751 internists in California

Internal medicine is Dr. Kirupananthan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kirupananthan is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Kirupananthan's licenses on file in 6 states: California, Hawaii, Ohio, Arizona, Indiana and Illinois.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A170160 · 2020 to 2026 · taxonomy 207R00000X
  • Hawaii license2020 to 2022
  • Ohio license2017 to 2022
  • Arizona license2020 to 2021
  • Indiana license2016 to 2021
  • Illinois license2013 to 2016

Clinical focus

Dmand AI lists lower back pain and UTI among the conditions Dr. Kirupananthan treats.

Internists near Dr. Kirupananthan

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. Niroshan Kirupananthan billed Medicare for 153 services in 2024

CMS data shows 153 Medicare services from Dr. Kirupananthan across 5 procedure codes in 2024, for 139 Medicare patients. Medicare paid $17,086 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024153
Medicare patients139
Paid by Medicare$17,086
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 1562024: 1532%

Dr. Kirupananthan compared with the California median for internists, 2024

  • Dr. Kirupananthan
  • California median
Medicare services
153vs 36158% below
Medicare patients
139vs 1518% below
Part D claims
11vs 42197% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Kirupananthan'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.

See all procedures by Dr. Kirupananthan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kirupananthan and other internists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Niroshan Kirupananthan treated 139 Medicare patients in 2024, average age 71

CMS counts 139 Medicare patients who saw Dr. Kirupananthan in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 50% are also on Medicaid. Their average risk score is 3.85, 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. Kirupananthan's median patient age at 63, with 47% women.

Medicare patients, 2024139
Average age71
Average risk score3.85
Also on Medicaid50%

Dr. Kirupananthan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Kirupananthan's Medicare patients by sex, 2024

  • Women6345%
  • Men7655%

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

  1. High blood pressure75%
  2. High cholesterol70%
  3. Ischemic heart disease46%
  4. Cancer45%
  5. Arthritis43%
  6. Diabetes40%
  7. Anxiety38%
  8. Chronic kidney disease38%

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

Dr. Kirupananthan's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women47%
  • Men53%

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

Dr. Niroshan Kirupananthan wrote 15 Medicare Part D claims in 2024

In 2024, Dr. Kirupananthan wrote 15 Medicare Part D claims for 13 patients. 87% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $36 in total drug cost. In 2020, CMS named 18 claims across 1 drug.

Part D claims, 202415
Drugs named by CMS1
Total drug cost$36
Part D patients13

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

  • Generic13 claims87%
  • Brand-name and other2 claims13%

Dr. Kirupananthan's 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: 182021: 1139%

Drugs named by CMS: 1 in 2021, 1 in 2020.

See all prescribing by Dr. Kirupananthan

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. Niroshan Kirupananthan takes part in Medicare

Dr. Kirupananthan 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. Niroshan Kirupananthan received $153 in industry payments from 2016 to 2017

CMS Open Payments shows 2 general payments to Dr. Kirupananthan from 2 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $139.

General payments to Dr. Kirupananthan by program year, 2016 to 2017

Companies that paid Dr. Kirupananthan the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Kirupananthan

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

Dr. Niroshan Kirupananthan graduated from Saint James School of Medicine

Dr. Kirupananthan graduated from Saint James School of Medicine in 2013.

  1. Medical schoolSaint James School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Niroshan Kirupananthan accepts plans from 9 insurance carriers

Dr. Kirupananthan is in network with 9 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Kirupananthan accepts, by number of carriers

  1. HMO6
  2. PPO6
  3. Medicare3
  4. EPO2
  5. POS2

Source: Dmand AI Insurance Network Data

Sources for Dr. Niroshan Kirupananthan'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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. Niroshan Kirupananthan

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. Niroshan Kirupananthan's NPI number?

Dr. Niroshan Kirupananthan's NPI number is 1366883068. It was assigned on July 10, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Niroshan Kirupananthan?

Dr. Niroshan Kirupananthan is an internist in Duarte, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Niroshan Kirupananthan practice?

Dr. Kirupananthan practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Kirupananthan's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Kirupananthan to 2 group practices and clinics, 1 other site and 1 medical group.

What is Dr. Niroshan Kirupananthan's office phone number?

The practice phone on file for Dr. Kirupananthan is (800) 826-4673.

What is Dr. Niroshan Kirupananthan's medical license number?

Dr. Kirupananthan holds California license A170160, one of the licenses on file in 6 states.

Which states has Dr. Niroshan Kirupananthan been licensed in?

Dmand AI has state licenses on file for Dr. Kirupananthan in California (2020 to 2026), Hawaii (2020 to 2022), Ohio (2017 to 2022), Arizona (2020 to 2021), Indiana (2016 to 2021) and Illinois (2013 to 2016).

What medical group is Dr. Niroshan Kirupananthan part of?

Dr. Kirupananthan is linked to City of Hope. Dmand AI links Dr. Kirupananthan to 1 more medical group.

Does Dr. Niroshan Kirupananthan accept Medicare?

Yes. CMS data shows Dr. Kirupananthan billed Medicare for 153 services in 2024, and Dr. Kirupananthan accepts Medicare assignment.

How many Medicare patients does Dr. Niroshan Kirupananthan see?

CMS counts 139 Medicare patients who saw Dr. Kirupananthan in 2024, with an average age of 71.

Is Dr. Niroshan Kirupananthan board certified?

Yes. Dr. Kirupananthan is board certified in internal medicine by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Niroshan Kirupananthan bill to Medicare?

In 2024, Dr. Kirupananthan's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99232) and hospital inpatient care (99233).

Where did Dr. Niroshan Kirupananthan go to medical school?

Dr. Kirupananthan graduated from Saint James School of Medicine in 2013.

What drugs does Dr. Niroshan Kirupananthan prescribe most?

In 2021 Medicare Part D data, Dr. Kirupananthan's most prescribed drugs by claims were Metoprolol Tartrate.

Has Dr. Niroshan Kirupananthan received payments from drug or device companies?

CMS Open Payments shows $153 in general payments to Dr. Kirupananthan from 2 companies from 2016 to 2017. The largest total came from Teva Pharmaceuticals USA, Inc.

How long has Dr. Niroshan Kirupananthan been practicing?

Dr. Kirupananthan graduated from medical school in 2013, 13 years ago.

What insurance does Dr. Niroshan Kirupananthan accept?

Dr. Kirupananthan is in network with 9 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.

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