Mahesh Candiah Thiagarajah, MD
Emergency Medicine Physician · Lewisville, TX
Mahesh Candiah Thiagarajah, MD is an emergency medicine physician with a practice address in Lewisville, Texas, and NPI 1386689677, issued on Jun 19, 2006. Check the license (Texas L9928, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mahesh Candiah Thiagarajah
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- L9928 TX
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Main St, Lewisville, TX 75057
- Phone
- (972) 420-1000
- Enumerated
- Jun 19, 2006
- Record last updated
- Jul 19, 2024
- Medicaid IDs
- 174068003 TX
174068004 TX
174068002 TX - Medicare enrollment
- Enrolled (PECOS I20050623000971); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 500 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shaghayegh Ababaf, PA-CPhysician Assistant1912372145
- Jeanette Acker, PA-CMedical Physician Assistant1689335226
- Kristie Adame, RD,CDERegistered Dietitian1861729832
- Safa AhmadAnesthesiologist Assistant1346195997
- Stephen Aryeetey, NPNurse Practitioner1912613050
- Candis Beard, MDEmergency Medicine Physician1104801406
Verify Mahesh Candiah Thiagarajah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L9928Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average emergency medicine physician in 2024
39 Medicare Part D claims for 31 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mahesh Candiah Thiagarajah among 4,885 emergency medicine physician records in Texas
Mahesh Candiah Thiagarajah, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2002 · median 2013 among the 2,779 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Lewisville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Candis Beard, MDLewisville, TX 750571104801406
- Stewart Coffman, M.D.Lewisville, TX 750571922084631
- James Doyle, MDLewisville, TX 750571275519902
- Nicole Duval, M.D.Lewisville, TX 750571952387607
- Robert Garrison, M.D.Lewisville, TX 750571922084144
- Donald Gibbons, MDLewisville, TX 750571720019623
- Jiwon Lee, MDLewisville, TX 750571518991108
- Travis Lilly, M.D.Lewisville, TX 750571497731566
Common questions
What is Mahesh Candiah Thiagarajah, MD's NPI number?
Mahesh Candiah Thiagarajah, MD's National Provider Identifier (NPI) is 1386689677, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mahesh Candiah Thiagarajah, MD located?
The NPPES record lists a practice address at 500 W Main St, Lewisville, TX, 75057. Phone: (972) 420-1000. Providers update this record themselves, so call before visiting.
How can I verify Mahesh Candiah Thiagarajah, MD's license?
NPPES lists Texas license number L9928, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mahesh Candiah Thiagarajah, MD prescribe under Medicare Part D?
In 2024, Mahesh Candiah Thiagarajah, MD had 39 Medicare Part D claims for 31 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.