Dr. Lakmali Chandima Ranathunga, MD
- Medicare services, 2024
- 161
- Medicare patients, 2024
- 96
- Part D claims, 2024
- 64
- MIPS score, 2024
- 87
- Hospital affiliations
- 4
- Practice address
- 5440 Kings Island Drive, Mason, OH 45040
- Practice phone
- Call (513) 637-9999
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ranathunga'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. Lakmali Chandima Ranathunga is an internist in Mason, Ohio
Dr. Ranathunga practices at Mercy Health - Kings Mills Hospital in Mason, Ohio, part of Bon Secours Mercy Health.
Dr. Ranathunga's NPI, 1659546505, was assigned on April 22, 2008. Dr. Ranathunga holds Ohio license 35.093445.
- NPI
- 1659546505NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557416310
- NPI enumeration date
- April 22, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (513) 637-9999
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lakmali Chandima Ranathunga practices at Mercy Health - Kings Mills Hospital in Mason, Ohio
Dr. Ranathunga's primary practice is Mercy Health - Kings Mills Hospital, at 5440 Kings Island Drive, Mason, OH 45040 in Warren County. The practice phone is (513) 637-9999.
- Mercy Health - Kings Mills Hospital5440 Kings Island Drive, Mason, OH 45040 · Warren CountyPhone(513) 637-9999
Source: Dmand AI Affiliation Data
Dr. Lakmali Chandima Ranathunga is affiliated with 9 sites of care and 5 medical groups
Dr. Ranathunga's primary practice is Mercy Health - Kings Mills Hospital in Mason, Ohio, part of Bon Secours Mercy Health. Dr. Ranathunga is also affiliated with Miami Valley Hospital. The medical group on file is Miami Valley Hospitalist Group. Dmand AI also links Dr. Ranathunga to 2 more hospitals, 5 group practices and clinics and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lakmali Chandima Ranathunga's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ranathunga practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Health - Kings Mills Hospital | Available with a free account |
| +8 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lakmali Chandima Ranathunga is one of 4,708 internists in Ohio
Internal medicine is Dr. Ranathunga's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Ranathunga's licenses on file in 2 states: Ohio and Indiana.
Specialties and state licenses
- Internal medicine, OhioPrimary
- Student in an organized health care education/training program, Indiana
Internists near Dr. Ranathunga
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. Lakmali Chandima Ranathunga billed Medicare for 161 services in 2024
CMS data shows 161 Medicare services from Dr. Ranathunga across 3 procedure codes in 2024, for 96 Medicare patients. Medicare paid $12,295 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ranathunga's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1472024: 16110%
Dr. Ranathunga compared with the Ohio median for internists, 2024
- Dr. Ranathunga
- Ohio median
- Medicare services
- 161vs 48767% below
- Medicare patients
- 96vs 19250% below
- Part D claims
- 61vs 29479% below
Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.
Dr. Ranathunga'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. Lakmali Chandima Ranathunga treated 96 Medicare patients in 2024, average age 74
CMS counts 96 Medicare patients who saw Dr. Ranathunga in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.88, 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. Ranathunga's median patient age at 70, with 51% women.
Dr. Ranathunga's Medicare patients by age, 2024
Dr. Ranathunga's Medicare patients by sex, 2024
- Women4446%
- Men5254%
Chronic conditions among Dr. Ranathunga's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure59%
- Ischemic heart disease58%
- Arthritis51%
- Chronic kidney disease51%
- Diabetes48%
- Atrial fibrillation47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ranathunga's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lakmali Chandima Ranathunga wrote 64 Medicare Part D claims in 2024
In 2024, Dr. Ranathunga wrote 64 Medicare Part D claims for 31 patients. 95% of them were for generic drugs. CMS names the drug for 61 of them, across 5 drugs with 11 or more claims each, at $686 in total drug cost. In 2018, CMS named 101 claims across 7 drugs.
Dr. Ranathunga's Part D claims by kind of drug, 2024
- Generic61 claims95%
- Brand-name and other3 claims5%
Dr. Ranathunga's most prescribed drugs by claims, 2019
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. Ranathunga's Part D claims, 2024
- Antibiotics17%11 of 64 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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 1012019: 6140%
Drugs named by CMS: 5 in 2019, 7 in 2018.
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. Lakmali Chandima Ranathunga scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Ranathunga for performance year 2024, reported as part of a group. Dr. Ranathunga accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ranathunga's MIPS scores, performance year 2024
- 87of 100Final score
- 83.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Lakmali Chandima Ranathunga received $137 in industry payments from 2017 to 2018
CMS Open Payments shows 2 general payments to Dr. Ranathunga from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $75.
General payments to Dr. Ranathunga by program year, 2017 to 2018
Companies that paid Dr. Ranathunga the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Lakmali Chandima Ranathunga'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (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. Lakmali Chandima Ranathunga
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. Lakmali Chandima Ranathunga's NPI number?
Dr. Lakmali Chandima Ranathunga's NPI number is 1659546505. It was assigned on April 22, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Lakmali Chandima Ranathunga?
Dr. Lakmali Chandima Ranathunga is an internist in Mason, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lakmali Chandima Ranathunga practice?
Dr. Ranathunga practices at 5440 Kings Island Drive, Mason, OH 45040. Dr. Ranathunga's primary practice is Mercy Health - Kings Mills Hospital in Mason, Ohio, part of Bon Secours Mercy Health. Dmand AI also links Dr. Ranathunga to 2 hospitals, 5 group practices and clinics and 4 medical groups.
What is Dr. Lakmali Chandima Ranathunga's office phone number?
The practice phone on file for Dr. Ranathunga is (513) 637-9999.
What is Dr. Lakmali Chandima Ranathunga's medical license number?
Dr. Ranathunga holds Ohio license 35.093445, one of the licenses on file in 2 states.
Which states has Dr. Lakmali Chandima Ranathunga been licensed in?
Dmand AI has state licenses on file for Dr. Ranathunga in Ohio and Indiana.
Which hospitals is Dr. Lakmali Chandima Ranathunga affiliated with?
Dr. Ranathunga practices at Mercy Health - Kings Mills Hospital in Mason, Ohio. Dr. Ranathunga is also affiliated with Miami Valley Hospital. Dmand AI links Dr. Ranathunga to 2 more hospitals.
What medical group is Dr. Lakmali Chandima Ranathunga part of?
Dr. Ranathunga is linked to Miami Valley Hospitalist Group. Dmand AI links Dr. Ranathunga to 4 more medical groups.
Does Dr. Lakmali Chandima Ranathunga accept Medicare?
Yes. CMS data shows Dr. Ranathunga billed Medicare for 161 services in 2024, and Dr. Ranathunga accepts Medicare assignment.
What is Dr. Lakmali Chandima Ranathunga's MIPS score?
Dr. Ranathunga's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Lakmali Chandima Ranathunga see?
CMS counts 96 Medicare patients who saw Dr. Ranathunga in 2024, with an average age of 74.
What services does Dr. Lakmali Chandima Ranathunga bill to Medicare?
In 2024, Dr. Ranathunga's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
What drugs does Dr. Lakmali Chandima Ranathunga prescribe most?
In 2019 Medicare Part D data, Dr. Ranathunga's most prescribed drugs by claims were Levothyroxine Sodium, Metoprolol Tartrate and Simvastatin.
Has Dr. Lakmali Chandima Ranathunga received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Dr. Ranathunga from 2 companies from 2017 to 2018. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Lakmali Chandima Ranathunga been practicing?
Dr. Ranathunga graduated from medical school in 2003, 23 years ago.
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