Active NPI
Mahi L. Ashwath, MD
- Cardiovascular Disease Physician
- Cincinnati, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- 35.083749
- Practice address
- 222 Piedmont Ave
Cincinnati, OH 45219-4231 - Phone
- (513) 475-8521
- NPI assigned
- Jul 13, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 6
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 35-083749 | OH | |
| Cardiovascular Disease Physician | 207RC0000X | 35.083749 | OH | Primary |
| Internal Medicine Physician | 207R00000X | U5634 | TX | |
| Advanced Heart Failure and Transplant Cardiology Physician | 207RA0001X | U5634 | TX | |
| Cardiovascular Disease Physician | 207RC0000X | MD43607 | IA | |
| Cardiovascular Disease Physician | 207RC0000X | U5634 | TX |
Addresses
Primary practice location
222 Piedmont Ave
Cincinnati, OH 45219-4231
Mailing address
PO Box 636256
Cincinnati, OH 45263-6256
Phone (513) 585-6200
Other practice location 1
4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-4000
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| P00139599 | Other | OH | MCR RR |
| 2493556 | Medicaid | OH |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Advanced Heart Failure and Transplant Cardiology
- Education
- Other, 1999
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
4502 Medical Dr
San Antonio, TX 78229-4402
Phone (210) 358-4000
Hospital & facility affiliations
- Ut Health San Antonio Multispecialty & Research Ho
- University Health System
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 35-083749 | OH | MD | Internal Medicine Physician |
| MD43607 | IA | MD | Cardiovascular Disease Physician |
| 35.083749 | OH | MD | Cardiovascular Disease Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of Texas Health Science Center at San Antonio | Internal Medicine | Current | Accepting new patients |
| State University of Iowa | Internal Medicine | Current | Accepting new patients |
| The University of Texas Health Science Center at San Antonio | Current | Accepting new patients | |
| University of Texas Health Science Center at San Antonio | Current | Accepting new patients | |
| Bexar County Hospital District | Past | Accepting new patients | |
| Floyd County Memorial Hospital Commission | Past | Accepting new patients |
Locations
200 Hawkins Dr
#H
Iowa City, IA 52242
Phone (319) 356-1616
200 Hawkins Dr
Iowa City, IA 52242
Phone (319) 356-1616
4502 Medical Dr
San Antonio, TX 78229
Phone (210) 358-3555
8300 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 450-9300
903 W Martin St
San Antonio, TX 78207
Phone (210) 358-3400
7703 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 450-3700
Interoperability endpoints
- mashwath107722@uihcdirect.org
- mashwath102534@uihcdirect.org
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- San Antonio, TX
- NPI 1720051717
-
- General Acute Care Hospital
- San Antonio, TX
- NPI 1326829904
-
- Diagnostic Radiology Physician
- Boerne, TX
- NPI 1417921834
-
- General Acute Care Hospital
- San Antonio, TX
- NPI 1821011248
-
- Critical Access Hospital
- Charles City, IA
- NPI 1265402390
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- San Antonio, TX
- NPI 1821011248
-
- General Acute Care Hospital
- San Antonio, TX
- NPI 1326829904
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152748800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777852800000",
"number": "1235154154",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 636256",
"city": "CINCINNATI",
"state": "OH",
"postal_code": "452636256",
"telephone_number": "513-585-6200",
"fax_number": "513-245-3672"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "222 PIEDMONT AVE",
"city": "CINCINNATI",
"state": "OH",
"postal_code": "452194231",
"telephone_number": "513-475-8521"
}
],
"practiceLocations": [
{
"address_1": "4502 Medical Dr",
"address_purpose": "LOCATION",
"city": "San Antonio",
"state": "TX",
"postal_code": "782294402",
"country_code": "US",
"telephone_number": "210-358-4000",
"fax_number": "210-567-6960",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ASHWATH",
"first_name": "MAHI",
"middle_name": "L.",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-07-13",
"last_updated": "2026-05-04",
"certification_date": "2026-05-04",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "OH",
"license": "35-083749",
"primary": false
},
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "OH",
"license": "35.083749",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "TX",
"license": "U5634",
"primary": false
},
{
"code": "207RA0001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
"state": "TX",
"license": "U5634",
"primary": false
},
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "IA",
"license": "MD43607",
"primary": false
},
{
"code": "207RC0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Cardiovascular Disease",
"state": "TX",
"license": "U5634",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MCR RR",
"identifier": "P00139599",
"state": "OH"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "2493556",
"state": "OH"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Cincinnati, OH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 4, 2026; 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.