Quick answers
- Does Candiah Thiagarajah accept Medicare assignment?
- Yes. Medicare's clinician data says Candiah Thiagarajah 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 Candiah Thiagarajah see?
- In 2024, CMS data shows 18 Original Medicare patients and 178 services for Candiah Thiagarajah. This counts Original Medicare only and measures volume, not quality.
- What is Candiah Thiagarajah's NPI number?
- 1982779922. 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 Candiah Thiagarajah, 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 | 18 |
|---|---|
| Services billed to Medicare | 178 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)119 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)49 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 cholesterol61%
Practice locations
Addresses where Candiah Thiagarajah is enrolled with Medicare (CMS data updated October 2, 2026).
- 220 Faison DrColumbia, SC 29203 (803) 898‑8415
- 610 Faison DrColumbia, SC 29203 (803) 898‑8523
Group practices
Medicare enrollment lists Candiah Thiagarajah as a member of this group (CMS data updated October 2, 2026).
- South Carolina Dept of Mental Health Accounting Office221 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, SC — not a recommendation.
Other clinicians in South Carolina Dept of Mental Health Accounting Office
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1971 (55 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982779922 |
| 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