Quick answers
- Does Sashi Dayaratna accept Medicare assignment?
- Yes. Medicare's clinician data says Sashi Dayaratna 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 Sashi Dayaratna see?
- In 2024, CMS data shows 170 Original Medicare patients and 1,088 services for Sashi Dayaratna. This counts Original Medicare only and measures volume, not quality.
- What is Sashi Dayaratna's NPI number?
- 1144725136. 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 Sashi Dayaratna, 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 | 170 |
|---|---|
| Services billed to Medicare | 1,088 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 86 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)448 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)181 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)127 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)54 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)42 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 cholesterol69%
- Alzheimer's disease or dementia60%
- Arthritis58%
- Depression39%
- Heart failure38%
Practice locations
Addresses where Sashi Dayaratna is enrolled with Medicare (CMS data updated October 2, 2026).
- 3440 S Jefferson StFalls Church, VA 22041 (703) 820‑1488
- 46531 Leesburg PikeSterling, VA 20164 (703) 834‑5800
Group practices
Medicare enrollment lists Sashi Dayaratna as a member of this group (CMS data updated October 2, 2026).
- Virginia Internal Medicine Inc105 clinicians in the group
Specialties
- Geriatric Medicineprimary
- Internal Medicinealso
Other geriatricians in Falls Church
Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.
Other clinicians in Virginia Internal Medicine Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144725136 |
| 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
- 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