Ruben Amarasingham, M.D.
Internal Medicine Physician · Dallas, TX
Ruben Amarasingham, M.D. is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1831154921, issued on Apr 20, 2006. Check the license (Texas L2097, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ruben Amarasingham
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L2097 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5123 Harry Hines Blvd, Dallas, TX 75235
- Phone
- (214) 590-6724
- Enumerated
- Apr 20, 2006
- Record last updated
- Aug 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (214) 590-4595
- Medicaid ID
- 409229500 MD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Ruben Amarasingham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L2097Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ruben Amarasingham among 9,175 internal medicine physician records in Texas
Ruben Amarasingham, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2010 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jean Akpan, M.D.Dallas, TX 752351750389599
- Abimbola Awodipe, MDDallas, TX 752351508833203
- Lydia Bazzano, MDDallas, TX 752351083705768
- Carol Croft, MDDallas, TX 752351558321448
- Ricardo Diaz, MDDallas, TX 752351427017540
- Waymon Drummond, M.D.Dallas, TX 752351659310597
- Michielle Fisher, MDDallas, TX 752351548243538
- Juan Herrera, MDDallas, TX 752351952385346
Common questions
What is Ruben Amarasingham, M.D.'s NPI number?
Ruben Amarasingham, M.D.'s National Provider Identifier (NPI) is 1831154921, issued on Apr 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruben Amarasingham, M.D. located?
The NPPES record lists a practice address at 5123 Harry Hines Blvd, Dallas, TX, 75235. Phone: (214) 590-6724. Providers update this record themselves, so call before visiting.
How can I verify Ruben Amarasingham, M.D.'s license?
NPPES lists Texas license number L2097, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.