Ashwin Thiagarajasubramanian, M.D.
NPI 1134562879 · Cardiovascular Disease Physician · Phoenixville, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashwin Thiagarajasubramanian, M.D. is a Cardiovascular Disease Physician provider in Phoenixville, PA (NPI 1134562879).
Provider details
- NPI number
- 1134562879
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD466255 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
616 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 117 | $120 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 112 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $75 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 50 | $20 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 50 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 314 | 89 |
| Metoprolol Tartrate | 313 | 99 |
| Apixabanbrand: Eliquis | 234 | 54 |
| Spironolactone | 203 | 56 |
| Atorvastatin Calcium | 189 | 49 |
| Rosuvastatin Calcium | 186 | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 4201 Saint Antoine StUhc-2eDetroit, MI 48201-2153Phone: (313) 745-4525
- 530 South StGreensburg, PA 15601-2775Phone: (724) 689-1354
Registry dates
- Enumerated
- 2013-04-11
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is Ashwin Thiagarajasubramanian's NPI number?
- Ashwin Thiagarajasubramanian's National Provider Identifier (NPI) is 1134562879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashwin Thiagarajasubramanian's specialty?
- Ashwin Thiagarajasubramanian is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ashwin Thiagarajasubramanian located?
- Ashwin Thiagarajasubramanian's practice location on file with NPPES is 824 Main St Ste 306, Phoenixville, PA 19460-4478.
- What is Ashwin Thiagarajasubramanian's phone number?
- The practice phone number listed in the NPPES registry for Ashwin Thiagarajasubramanian is (610) 983-1941.
- Does Ashwin Thiagarajasubramanian accept Medicare?
- Ashwin Thiagarajasubramanian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashwin Thiagarajasubramanian's NPI active?
- Yes — Ashwin Thiagarajasubramanian's NPI (1134562879) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.