Thilina Praneethbogategedara Marasinghe, MD
Internal Medicine Physician · San Antonio, TX
Thilina Praneethbogategedara Marasinghe, MD is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1821160938, issued on Nov 14, 2006. Check the license (Texas M4871, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thilina Praneethbogategedara Marasinghe
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M4871 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2455 NE Loop 410, San Antonio, TX 78217
- Phone
- (210) 599-6000
- Enumerated
- Nov 14, 2006
- Record last updated
- Oct 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (210) 657-5586
- Medicaid ID
- 199419602 TX
- Medicare enrollment
- Enrolled (PECOS I20070326000377); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 2455 NE Loop 410
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thilina Praneethbogategedara Marasinghe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M4871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,022 Medicare Part D claims for 1,077 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 310 claims were for opioids.
Most prescribed
- Atorvastatin Calcium610 claims
- Levothyroxine Sodium441 claims
- Lisinopril410 claims
- Amlodipine Besylate382 claims
- Rosuvastatin Calcium318 claims
- Losartan Potassium315 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.
Bills Medicare through 2 group practices
- Usacs Integrated Acute Care Services OF Texas, PLLCSan Antonio, TX
- Wellmed Medical Group PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thilina Praneethbogategedara Marasinghe among 9,175 internal medicine physician records in Texas
Thilina Praneethbogategedara Marasinghe, MD 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. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1995 · median 2004 among the 6,088 with a school on file
- Record last updated2016 · 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).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christopher Ajufo, M.D.San Antonio, TX 782171811220015
- Roy Bell, MDSan Antonio, TX 782171679532675
- Dante Escalante, M.D.San Antonio, TX 782171346321999
- Zichun Feng, M.D.San Antonio, TX 782171700104031
- Richard Ferguson, MDSan Antonio, TX 782171548215882
- John Brian Lim, MDSan Antonio, TX 782171265767768
- Cielo Manriquez, MDSan Antonio, TX 782171376595793
- Aatish Patel, MDSan Antonio, TX 782171376704684
Common questions
What is Thilina Praneethbogategedara Marasinghe, MD's NPI number?
Thilina Praneethbogategedara Marasinghe, MD's National Provider Identifier (NPI) is 1821160938, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thilina Praneethbogategedara Marasinghe, MD located?
The NPPES record lists a practice address at 2455 NE Loop 410, San Antonio, TX, 78217. Phone: (210) 599-6000. Providers update this record themselves, so call before visiting.
How can I verify Thilina Praneethbogategedara Marasinghe, MD's license?
NPPES lists Texas license number M4871, 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 Thilina Praneethbogategedara Marasinghe, MD prescribe under Medicare Part D?
In 2024, Thilina Praneethbogategedara Marasinghe, MD had 10,022 Medicare Part D claims for 1,077 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.