DR. LAKMALI CHANDIMA RANATHUNGA M.D.
NPI 1659546505
Internal Medicine in Dayton, OH
About Dr. Lakmali Chandima Ranathunga M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAKMALI CHANDIMA RANATHUNGA M.D. (NPI 1659546505) is an individual internal medicine provider in Dayton, Ohio, licensed in Ohio (35.093445) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Mercy Health-anderson Hospital, and maintains a secondary practice location in Toledo.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Lakmali Chandima Ranathunga M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Lakmali Ranathunga reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dayton, OH 45409
- Reassigned Medicare billing, Ohio enrollment
- 270 clinicians in this Medicare group
Dayton, OH 45409
- Reassigned Medicare billing, Ohio enrollment
- 744 clinicians in this Medicare group
Middletown, OH 45005
- Reassigned Medicare billing, Ohio enrollment
- 263 clinicians in this Medicare group
Springfield, OH 45504
- Reassigned Medicare billing, Ohio enrollment
- 494 clinicians in this Medicare group
Toledo, OH 43606
- Reassigned Medicare billing, Ohio enrollment
- 29 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Health-Anderson Hospital
Acute Care Hospitals · Cincinnati, OHMiami Valley Hospital
Acute Care Hospitals · Dayton, OHSpringfield Regional Medical Center
Acute Care Hospitals · Springfield, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45409 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lakmali Ranathunga's NPI number?
The NPI number for Lakmali Ranathunga is 1659546505. It was assigned to this individual provider in the NPPES registry on April 22, 2008.
Where is Lakmali Ranathunga located?
Lakmali Ranathunga practices at 30 E Apple St Suite 6250, Dayton, OH 45409. The listed phone number is (937) 208-8394.
What is Lakmali Ranathunga's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lakmali Ranathunga enrolled in Medicare?
Yes. Lakmali Ranathunga is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lakmali Ranathunga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lakmali Ranathunga reassigns Medicare benefits to 5 organizations: Sinclair Physician Services, LLC (Dayton, OH), Mvhe Inc (Dayton, OH), Hisey Physician Services, LLC (Middletown, OH), Usacs Integrated Acute Care Services Of Ohio, LLC (Springfield, OH) and Inpatient Consultants Of Ohio, Inc (Toledo, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lakmali Ranathunga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lakmali Ranathunga accept?
Health plans from CareSource list Lakmali Ranathunga as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Lakmali Ranathunga affiliated with any hospitals?
According to CMS data, Lakmali Ranathunga is affiliated with Mercy Health-Anderson Hospital, Miami Valley Hospital and Springfield Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Lakmali Ranathunga was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Lakmali Chandima Ranathunga, M.D. · NPI 1659546505
Internal Medicine physician in Dayton, Ohio. Individual provider, active in the CMS NPPES registry since April 22, 2008.
## Identity
- **NPI:** 1659546505 (Entity type: Individual)
- **Enumerated:** April 22, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 35.093445 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 30 E APPLE ST, SUITE 6250, Dayton, OH 45409-2939
- **Phone:** (937) 208-8394 · **Fax:** (937) 208-8388
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Sinclair Physician Services, LLC (NPI 1063289601, Dayton, OH); Mvhe Inc (NPI 1356394795, Dayton, OH); Hisey Physician Services, LLC (NPI 1073380614, Middletown, OH); Usacs Integrated Acute Care Services Of Ohio, LLC (NPI 1043805690, Springfield, OH); Inpatient Consultants Of Ohio, Inc (NPI 1326210121, Toledo, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** September 16, 2026
- **Other identifiers:** Medicaid 2961666 (OH)
---
Source: [NPI Profile](https://npiprofile.com/npi/1659546505) · Data from the CMS NPPES public registry.