Active NPI
Catherine L Mathieu, M.D.
- Clinical Pathology/Laboratory Medicine Physician
- Winchester, VA
National Provider Identifier
1447249057
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Pathology/Laboratory Medicine Physician
- License
- 0101057138
- Practice address
- 1840 Amherst St
Winchester, VA 22601-2808 - Phone
- (540) 536-8790
- NPI assigned
- Oct 17, 2005
- 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 |
|---|---|---|---|---|
| Blood Banking & Transfusion Medicine Physician | 207ZB0001X | 0101057138 | VA | |
| Cytopathology Physician | 207ZC0500X | 0101057138 | VA | |
| Hematology (Pathology) Physician | 207ZH0000X | 0101057138 | VA | |
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | 0101057138 | VA | |
| Chemical Pathology Physician | 207ZP0104X | 0101057138 | VA | |
| Clinical Pathology/Laboratory Medicine Physician | 207ZP0105X | 0101057138 | VA | Primary |
Addresses
Primary practice location
1840 Amherst St
Winchester, VA 22601-2808
Mailing address
560 Glendobbin Rd
Winchester, VA 22603-3327
Phone (540) 678-0939
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 6606997 | Medicaid | VA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20040505000408 | VA | Practitioner - Pathology | 2062400385 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0101057138 | VA | MD | Hematology (Pathology) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Fauquier Pathology | Blood Banking & Transfusion Medicine | Past | Accepting new patients |
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.
-
- Anatomic Pathology & Clinical Pathology Physician
- Harrisonburg, VA
- NPI 1386757052
Blood Banking & Transfusion Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1129507200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1447249057",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "560 GLENDOBBIN RD",
"city": "WINCHESTER",
"state": "VA",
"postal_code": "226033327",
"telephone_number": "540-678-0939"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1840 AMHERST ST",
"city": "WINCHESTER",
"state": "VA",
"postal_code": "226012808",
"telephone_number": "540-536-8790"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MATHIEU",
"first_name": "CATHERINE",
"middle_name": "L",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-10-17",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207ZB0001X",
"taxonomy_group": "",
"desc": "Pathology, Blood Banking & Transfusion Medicine",
"state": "VA",
"license": "0101057138",
"primary": false
},
{
"code": "207ZC0500X",
"taxonomy_group": "",
"desc": "Pathology, Cytopathology",
"state": "VA",
"license": "0101057138",
"primary": false
},
{
"code": "207ZH0000X",
"taxonomy_group": "",
"desc": "Pathology, Hematology",
"state": "VA",
"license": "0101057138",
"primary": false
},
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "VA",
"license": "0101057138",
"primary": false
},
{
"code": "207ZP0104X",
"taxonomy_group": "",
"desc": "Pathology, Chemical Pathology",
"state": "VA",
"license": "0101057138",
"primary": false
},
{
"code": "207ZP0105X",
"taxonomy_group": "",
"desc": "Pathology, Clinical Pathology/Laboratory Medicine",
"state": "VA",
"license": "0101057138",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "6606997",
"state": "VA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Winchester, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.