Quick answers
- Does Yamani S. Gunawardena accept Medicare assignment?
- Yes. Medicare's clinician data says Yamani S. Gunawardena accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Yamani S. Gunawardena see?
- In 2024, CMS data shows 694 Original Medicare patients and 894 services for Yamani S. Gunawardena. This counts Original Medicare only and measures volume, not quality.
- What is Yamani S. Gunawardena's NPI number?
- 1083773550. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Yamani S. Gunawardena, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 694 |
|---|---|
| Services billed to Medicare | 894 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)565 services
- Critical care, first 30-74 minutes (99291)152 services
- Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes (99236)51 services
- Smoking and tobacco use intensive counseling, 4-10 minutes (99406)48 services
- Advance care planning, first 30 minutes (99497)26 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease57%
- Chronic kidney disease48%
- Heart failure47%
Hospitals where Yamani S. Gunawardena works
Medicare's Facility Affiliation Data lists Yamani S. Gunawardena at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Genesis HospitalZanesville, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360039
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360006
Practice locations
Addresses where Yamani S. Gunawardena is enrolled with Medicare (CMS data updated October 2, 2026).
- 2951 Maple AveZanesville, OH 43701 (740) 454‑4000
- 2971 Maple AveZanesville, OH 43701 (614) 255‑6900
- 3535 Olentangy River RdColumbus, OH 43214 (614) 566‑5000
Group practices
Medicare enrollment lists Yamani S. Gunawardena as a member of this group (CMS data updated October 2, 2026).
- Central Ohio Hospitalists, Inc190 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Zanesville
Clinicians with the same Medicare primary specialty in Zanesville, OH — not a recommendation.
Other clinicians in Central Ohio Hospitalists, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083773550 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians