Candiah Thiagarajah, M.D.
Psychiatry Physician · Columbia, SC
Candiah Thiagarajah, M.D. is a psychiatry physician with a practice address in Columbia, South Carolina, and NPI 1982779922, issued on Nov 22, 2006. Check the license (South Carolina 10305, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Candiah Thiagarajah
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 10305 SC
Self-reported in NPPES; status is on the state search - Practice location
- 220 Faison Dr, Columbia, SC 29203
- Phone
- (803) 898-8405
- Enumerated
- Nov 22, 2006
- Record last updated
- Dec 19, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 103051 SC
- Medicare enrollment
- Enrolled (PECOS I20050719000501); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 891 in South Carolina → Look up another NPI →
Also registered at 220 Faison Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dale Adair, MDPsychiatry Physician1861506321
- Shahnaz Alvi, MDGeneral Practice Physician1841244654
- Elizabeth Baker, M.D.Child & Adolescent Psychiatry Physician1447409735
- Silvia Bloch, MDPsychiatry Physician1235189150
- Rhonwyn Carson-Moore, PHDPsychologist1841342086
- Tresvant ClarkSocial Worker1891634101
Verify Candiah Thiagarajah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 10305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average psychiatry physician in 2024
918 Medicare Part D claims for 19 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Olanzapine Odt159 claims
- Clonazepam82 claims
- Olanzapine66 claims
- Clozapine40 claims
- Valproic Acid39 claims
- Gabapentin36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $16.18
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- South Carolina Dept OF Mental Health Accounting OfficeColumbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Candiah Thiagarajah among 891 psychiatry physician records in South Carolina
Candiah Thiagarajah, M.D. is one of 891 psychiatry physician records with a practice address in South Carolina. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 63% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1971 · median 2007 among the 365 with a school on file
- Record last updated2017 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
171 psychiatry physician records list a practice address in Columbia
They are 171 of the 11,200 NPPES records with a practice address in Columbia, and 891 psychiatry physician records in South Carolina.
All 891 in South Carolina → Every provider in Columbia → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- James Bouknight, M.D.Columbia, SC 292031174584916
- Jeffery Brandenburg, MDColumbia, SC 292031659345379
- Robert Breen, M.D.Columbia, SC 292031427019181
- Nioaka Campbell, M.D.Columbia, SC 292031083675615
- Leslie Frinks, M.D.Columbia, SC 292031699738591
- Marilee Griswold, M.D.Columbia, SC 292031821068719
- Richard Harding, M.D.Columbia, SC 292031356301923
- Jo Marturano, M.D.Columbia, SC 292031609875244
Common questions
What is Candiah Thiagarajah, M.D.'s NPI number?
Candiah Thiagarajah, M.D.'s National Provider Identifier (NPI) is 1982779922, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Candiah Thiagarajah, M.D. located?
The NPPES record lists a practice address at 220 Faison Dr, Columbia, SC, 29203. Phone: (803) 898-8405. Providers update this record themselves, so call before visiting.
How can I verify Candiah Thiagarajah, M.D.'s license?
NPPES lists South Carolina license number 10305, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Candiah Thiagarajah, M.D. prescribe under Medicare Part D?
In 2024, Candiah Thiagarajah, M.D. had 918 Medicare Part D claims for 19 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.