Ashwin Krishnan Thiagarajasubramanian, M.D.
Cardiovascular Disease Physician · Phoenixville, PA
Ashwin Krishnan Thiagarajasubramanian, M.D. is a cardiovascular disease physician with a practice address in Phoenixville, Pennsylvania, and NPI 1134562879, issued on Apr 11, 2013. Check the license (Pennsylvania MD466255, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Ashwin Krishnan Thiagarajasubramanian
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- MD466255 PA
Self-reported in NPPES; status is on the state search - Practice location
- 824 Main St Ste 306, Phoenixville, PA 19460
- Phone
- (610) 983-1941
- Enumerated
- Apr 11, 2013
- Record last updated
- Aug 13, 2025
- Fax
- (610) 983-1945
- Medicare enrollment
- Enrolled (PECOS I20191212000264); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,476 in Pennsylvania → Look up another NPI →
Also registered at 824 Main St Ste 306
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Hellman, M.D.Cardiovascular Disease Physician1912268343
- Tetiana LyubovichNurse Practitioner1104416478
- Prem Parajuli, MDCardiovascular Disease Physician1851641229
- Fatima Qureshi, M.D.Cardiovascular Disease Physician1518492370
- Lauren Regoli, CRNPAdult Health Nurse Practitioner1760102016
- Zachary Tanner, CRNPFamily Nurse Practitioner1780449488
Verify Ashwin Krishnan Thiagarajasubramanian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD466255Check 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% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,983 Medicare Part D claims for 453 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Metoprolol Succinate314 claims
- Metoprolol Tartrate313 claims
- Eliquis234 claims
- Spironolactone203 claims
- Atorvastatin Calcium189 claims
- Rosuvastatin Calcium186 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: $59.73
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 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
- Phoenixville Clinic Company LLCPhoenixville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashwin Krishnan Thiagarajasubramanian among 1,476 cardiovascular disease physician records in Pennsylvania
Ashwin Krishnan Thiagarajasubramanian, M.D. is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 79% of them.
- NPI issued2013 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2013 · median 2000 among the 1,003 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 cardiovascular disease physician records list a practice address in Phoenixville
They are 12 of the 886 NPPES records with a practice address in Phoenixville, and 1,476 cardiovascular disease physician records in Pennsylvania.
All 1,476 in Pennsylvania → Every provider in Phoenixville → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Herbert Fischer, M.D.Phoenixville, PA 194601902988397
- Joseph Hellman, M.D.Phoenixville, PA 194601912268343
- Kathleen Magness, M.D.Phoenixville, PA 194601063594877
- Prem Parajuli, MDPhoenixville, PA 194601851641229
- Adrian Pearson, DOPhoenixville, PA 194601376968313
- Fatima Qureshi, M.D.Phoenixville, PA 194601518492370
- H. Raff, MDPhoenixville, PA 194601538133780
- Daniel Ratliff, D.O.Phoenixville, PA 194601336303122
Common questions
What is Ashwin Krishnan Thiagarajasubramanian, M.D.'s NPI number?
Ashwin Krishnan Thiagarajasubramanian, M.D.'s National Provider Identifier (NPI) is 1134562879, issued on Apr 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ashwin Krishnan Thiagarajasubramanian, M.D. located?
The NPPES record lists a practice address at 824 Main St Ste 306, Phoenixville, PA, 19460. Phone: (610) 983-1941. Providers update this record themselves, so call before visiting.
How can I verify Ashwin Krishnan Thiagarajasubramanian, M.D.'s license?
NPPES lists Pennsylvania license number MD466255, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ashwin Krishnan Thiagarajasubramanian, M.D. prescribe under Medicare Part D?
In 2024, Ashwin Krishnan Thiagarajasubramanian, M.D. had 2,983 Medicare Part D claims for 453 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.