Dr. Samindi Malika Gunasekara, MD
- Medicare services, 2024
- 591
- Medicare patients, 2024
- 103
- Part D claims, 2024
- 2,894
- Hospital affiliations
- 2
- Industry payments
- $117
- Practice address
- 4646 N Marine Dr, Chicago, IL 60640
- Practice phone
- Call (773) 878-8700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Resilience Healthcare - Weiss Memorial Hospital (CLOSED)
Chicago, Illinois
Find Dr. Gunasekara'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. Samindi Malika Gunasekara is an internist in Chicago, Illinois
Dr. Gunasekara practices at Resilience Healthcare - Weiss Memorial Hospital (CLOSED) in Chicago, Illinois.
Dr. Gunasekara's NPI, 1407155096, was assigned on March 22, 2011. Dr. Gunasekara holds Illinois license 036134821.
- NPI
- 1407155096NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850510405
- NPI enumeration date
- March 22, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (773) 878-8700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Samindi Malika Gunasekara practices at Resilience Healthcare - Weiss Memorial Hospital (CLOSED) in Chicago, Illinois
Dr. Gunasekara's primary practice is Resilience Healthcare - Weiss Memorial Hospital (CLOSED), at 4646 N Marine Dr, Chicago, IL 60640 in Cook County. The practice phone is (773) 878-8700.
- Resilience Healthcare - Weiss Memorial Hospital (CLOSED)4646 N Marine Dr, Chicago, IL 60640 · Cook CountyPhone(773) 878-8700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Samindi Malika Gunasekara is affiliated with 6 sites of care and 3 medical groups
Dr. Gunasekara's primary practice is Resilience Healthcare - Weiss Memorial Hospital (CLOSED) in Chicago, Illinois. Dr. Gunasekara is also affiliated with Rush Oak Park Hospital. The medical group on file is DuPage Medical Group. Dmand AI also links Dr. Gunasekara to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Samindi Malika Gunasekara's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gunasekara practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Resilience Healthcare - Weiss Memorial Hospital (CLOSED) | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samindi Malika Gunasekara is one of 5,652 internists in Illinois
Internal medicine is Dr. Gunasekara's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gunasekara is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Gunasekara
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. Samindi Malika Gunasekara billed Medicare for 591 services in 2024
CMS data shows 591 Medicare services from Dr. Gunasekara across 12 procedure codes in 2024, for 103 Medicare patients. Medicare paid $41,866 for them. Every service was in an office.
Dr. Gunasekara's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3122024: 27911%
- Other services
- 2023: 872024: 12948%
- Surgery
- 2023: 1092024: 1054%
- Tests and treatments
- 2023: 152024: 40167%
- Lab and pathology
- 2023: 522024: 3827%
Dr. Gunasekara compared with the Illinois median for internists, 2024
- Dr. Gunasekara
- Illinois median
- Medicare services
- 591vs 566Close to median
- Medicare patients
- 103vs 20850% below
- Part D claims
- 2,360vs 2848.3 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Gunasekara'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. Gunasekara and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samindi Malika Gunasekara treated 103 Medicare patients in 2024, average age 75
CMS counts 103 Medicare patients who saw Dr. Gunasekara in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gunasekara's median patient age at 69, with 67% women.
Dr. Gunasekara's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gunasekara's Medicare patients by sex, 2024
- Women8179%
- Men2221%
Chronic conditions among Dr. Gunasekara's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis32%
- Diabetes31%
- Ischemic heart disease23%
- Osteoporosis23%
- Chronic kidney disease22%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gunasekara's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Samindi Malika Gunasekara wrote 2,894 Medicare Part D claims in 2024
In 2024, Dr. Gunasekara wrote 2,894 Medicare Part D claims for 242 patients. 91% of them were for generic drugs. CMS names the drug for 2,360 of them, across 53 drugs with 11 or more claims each, at $92,573 in total drug cost. In 2023, CMS named 2,548 claims across 60 drugs.
Dr. Gunasekara's Part D claims by kind of drug, 2024
- Generic2,631 claims91%
- Brand-name231 claims8%
- Other32 claims1%
Dr. Gunasekara'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. Gunasekara's Part D claims, 2024
- Antibiotics2%46 of 2,894 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: 2,5482024: 2,3607%
Drugs named by CMS: 53 in 2024, 60 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. Samindi Malika Gunasekara offers telehealth to Medicare patients
Dr. Gunasekara accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gunasekara as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Samindi Malika Gunasekara received $117 in industry payments from 2019 to 2025
CMS Open Payments shows 6 general payments to Dr. Gunasekara from 4 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $55.
General payments to Dr. Gunasekara by program year, 2019 to 2025
Companies that paid Dr. Gunasekara the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Samindi Malika Gunasekara'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. Samindi Malika Gunasekara
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. Samindi Malika Gunasekara's NPI number?
Dr. Samindi Malika Gunasekara's NPI number is 1407155096. It was assigned on March 22, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Samindi Malika Gunasekara?
Dr. Samindi Malika Gunasekara is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Samindi Malika Gunasekara practice?
Dr. Gunasekara practices at 4646 N Marine Dr, Chicago, IL 60640. Dr. Gunasekara's primary practice is Resilience Healthcare - Weiss Memorial Hospital (CLOSED) in Chicago, Illinois. Dmand AI also links Dr. Gunasekara to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Samindi Malika Gunasekara's office phone number?
The practice phone on file for Dr. Gunasekara is (773) 878-8700.
What is Dr. Samindi Malika Gunasekara's medical license number?
Dr. Gunasekara holds Illinois license 036134821.
Which hospitals is Dr. Samindi Malika Gunasekara affiliated with?
Dr. Gunasekara is affiliated with Rush Oak Park Hospital. Dmand AI links Dr. Gunasekara to 1 more hospital.
What medical group is Dr. Samindi Malika Gunasekara part of?
Dr. Gunasekara is linked to DuPage Medical Group. Dmand AI links Dr. Gunasekara to 2 more medical groups.
Does Dr. Samindi Malika Gunasekara accept Medicare?
Yes. CMS data shows Dr. Gunasekara billed Medicare for 591 services in 2024, and Dr. Gunasekara accepts Medicare assignment.
Does Dr. Samindi Malika Gunasekara offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gunasekara as offering telehealth services.
How many Medicare patients does Dr. Samindi Malika Gunasekara see?
CMS counts 103 Medicare patients who saw Dr. Gunasekara in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Samindi Malika Gunasekara bill to Medicare?
In 2024, Dr. Gunasekara's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G0439).
What drugs does Dr. Samindi Malika Gunasekara prescribe most?
In 2024 Medicare Part D data, Dr. Gunasekara's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Samindi Malika Gunasekara received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Dr. Gunasekara from 4 companies from 2019 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Samindi Malika Gunasekara been practicing?
Dr. Gunasekara graduated from medical school in 2005, 21 years ago.
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