Quick answers
- Does Tanya Nanayakkara accept Medicare assignment?
- Yes. Medicare's clinician data says Tanya Nanayakkara 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 Tanya Nanayakkara see?
- In 2024, CMS data shows 189 Original Medicare patients and 954 services for Tanya Nanayakkara. This counts Original Medicare only and measures volume, not quality.
- What is Tanya Nanayakkara's NPI number?
- 1255644100. 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 Tanya Nanayakkara, 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 | 189 |
|---|---|
| Services billed to Medicare | 954 |
| Different services or procedures | 40 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)252 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)183 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)110 services
- Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes (G0446)59 services
- Injection of drug or substance under skin or into muscle (96372)53 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 cholesterol75%
- High blood pressure74%
- Arthritis43%
- Diabetes35%
- Chronic kidney disease30%
- COPD16%
Practice locations
Addresses where Tanya Nanayakkara is enrolled with Medicare (CMS data updated October 2, 2026).
- 2250 S Main St, Suite 104Corona, CA 92882 (951) 737‑1454
Group practices
Medicare enrollment lists Tanya Nanayakkara as a member of this group (CMS data updated October 2, 2026).
- Citrus Valley Medical Associates Inc14 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Corona
Clinicians with the same Medicare primary specialty in Corona, CA — not a recommendation.
Other clinicians in Citrus Valley Medical Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 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) | 1255644100 |
| 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