Active NPI
Ashwin Krishnan Thiagarajasubramanian, M.D.
- Cardiovascular Disease Physician
- Phoenixville, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- MD466255
- Practice address
- 824 Main St Ste 306
Phoenixville, PA 19460-4478 - Phone
- (610) 983-1941
- Fax
- (610) 983-1945
- NPI assigned
- Apr 11, 2013
- Last updated
- Aug 13, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Cardiovascular Disease Physician | 207RC0000X | MD466255 | PA | Primary |
Addresses
Primary practice location
824 Main St Ste 306
Phoenixville, PA 19460-4478
Mailing address
PO Box 13579
Reading, PA 19612-3579
Phone (484) 628-1324
Other practice location 1
530 South St
Greensburg, PA 15601-2775
Phone (724) 689-1354
Other practice location 2
4201 Saint Antoine St
Uhc-2E
Detroit, MI 48201-2153
Phone (313) 745-4525
Other names 1
- Dr. Ashwin Krishnan Thiagarajasubramanian
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Cardiovascular Disease (Cardiology)
- Education
- Ohio State University College of Medicine, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
301 S 7TH Ave
Suite 2020
West Reading, PA 19611-1495
Phone (610) 375-6565
824 Main St
Suite 306
Phoenixville, PA 19460-4478
Phone (610) 983-1530
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Reading Hospital | Cardiovascular Disease | Current | Accepting new patients |
| Reading Hospital | Current | Accepting new patients | |
| Phoenixville Clinic Company LLC | Current | Accepting new patients | |
| Phoenixville Clinic Company LLC | Cardiovascular Disease | Current | Accepting new patients |
| Reading Hospital | Current | Accepting new patients |
Locations
140 Nutt Rd
Phoenixville, PA 19460
Phone (610) 983-1000
824 Main St
Ste 306
Phoenixville, PA 19460
Phone (610) 983-1941
206 S 6th Ave
West Reading, PA 19611
Phone (484) 628-5437
301 S 7th Ave
Ste 2020
West Reading, PA 19611
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Cardiology Limerick Tower Health Medical Group
- Family Medicine Physician
- Phoenixville, PA
- NPI 1891866182
Cardiovascular Disease
-
dba Reading Hospital Radiation Oncology
- Radiation Oncology Physician
- West Reading, PA
- NPI 1992387518
-
dba Phoenixville Surgical Associates
- Vascular Surgery Physician
- Limerick, PA
- NPI 1790746345
-
dba Reading Hospital Cardiology Hamburg
- Cardiovascular Disease Physician
- West Reading, PA
- NPI 1407570880
-
dba Reading Hospital Limerick Pharmacy
- Community/Retail Pharmacy
- Limerick, PA
- NPI 1487468914
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Phoenixville Hospital
- General Acute Care Hospital
- Phoenixville, PA
- NPI 1750805552
-
dba Pottstown Oncology Associates/Pottstown Obstetrical Associates
- Hematology & Oncology Physician
- Pottstown, PA
- NPI 1093225369
Hospital
-
dba Pottstown Hospital
- General Acute Care Hospital
- Pottstown, PA
- NPI 1649794421
-
dba Reading Hospital Cardiology Hamburg
- Cardiovascular Disease Physician
- West Reading, PA
- NPI 1407570880
Hospital
-
dba Reading Hospital Transplant Center
- General Acute Care Hospital
- West Reading, PA
- NPI 1467007112
-
dba Reading Hospital Gynecologic Oncology
- Gynecologic Oncology Physician
- West Reading, PA
- NPI 1528677192
Hospital
-
dba Reading Hospital Outpatient Behavioral Health Services
- General Acute Care Hospital
- West Reading, PA
- NPI 1669530069
-
dba Reading Hospital Hematology Oncology
- Hematology & Oncology Physician
- West Reading, PA
- NPI 1699384016
Hospital
-
dba Reading Hospital Mobile Mammography
- Mobile Mammography Clinic/Center
- West Reading, PA
- NPI 1982349650
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1365638400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1755043200000",
"number": "1134562879",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 13579",
"city": "READING",
"state": "PA",
"postal_code": "196123579",
"telephone_number": "484-628-1324"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "824 MAIN ST STE 306",
"city": "PHOENIXVILLE",
"state": "PA",
"postal_code": "194604478",
"telephone_number": "610-983-1941",
"fax_number": "610-983-1945"
}
],
"practiceLocations": [
{
"address_1": "530 South St",
"address_purpose": "LOCATION",
"city": "Greensburg",
"state": "PA",
"postal_code": "156012775",
"country_code": "US",
"telephone_number": "724-689-1354",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4201 Saint Antoine St",
"address_2": "UHC-2E",
"address_purpose": "LOCATION",
"city": "Detroit",
"state": "MI",
"postal_code": "482012153",
"country_code": "US",
"telephone_number": "313-745-4525",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "THIAGARAJASUBRAMANIAN",
"first_name": "ASHWIN",
"middle_name": "KRISHNAN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-04-11",
"last_updated": "2025-08-13",
"certification_date": "2025-08-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "PA",
"license": "MD466255",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "ASHWIN",
"last_name": "THIAGARAJASUBRAMANIAN",
"middle_name": "KRISHNAN",
"prefix": "DR.",
"credential": "M.D.",
"code": "2",
"type": "Professional Name"
}
]
}
Other providers in Phoenixville, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.