Active NPI
Catherine Coba Ramirez, DO
- General Practice Physician
- Knoxville, TN
National Provider Identifier
1932884640
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- License
- OS024215
- Practice address
- 8033 Ray Mears Blvd
Knoxville, TN 37919-5458 - Phone
- (865) 545-4592
- NPI assigned
- Jun 20, 2023
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | OT022776 | PA | |
| General Practice Physician | 208D00000X | OS024215 | PA | Primary |
Addresses
Primary practice location
8033 Ray Mears Blvd
Knoxville, TN 37919-5458
Mailing address
531 Vermont Ave
Erie, PA 16505-2337
Phone (865) 216-5023
Other names 1
- Dr. Catherine Iskrenko
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
- General Practice
- Education
- Other, 2023
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
4055 Valley View LN
Dallas, TX 75244-4910
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| OT022776 | PA | MD | Family Medicine Physician |
| OS024215 | PA | MD | General Practice Physician |
Organizations & group practices 1
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1687219200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779667200000",
"number": "1932884640",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "531 VERMONT AVE",
"city": "ERIE",
"state": "PA",
"postal_code": "165052337",
"telephone_number": "865-216-5023"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8033 RAY MEARS BLVD",
"city": "KNOXVILLE",
"state": "TN",
"postal_code": "379195458",
"telephone_number": "865-545-4592"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COBA RAMIREZ",
"first_name": "CATHERINE",
"name_prefix": "Dr.",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-06-20",
"last_updated": "2026-05-25",
"certification_date": "2026-05-25",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "PA",
"license": "OT022776",
"primary": false
},
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "PA",
"license": "OS024215",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "CATHERINE",
"last_name": "ISKRENKO",
"prefix": "DR.",
"credential": "DO",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Knoxville, TN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 25, 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.