Active NPI
Kathleen Byrnes, MD
- Anatomic Pathology & Clinical Pathology Physician
- Saint Louis, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anatomic Pathology & Clinical Pathology Physician
- License
- 2017008742
- Practice address
- 425 S Euclid Ave
Div PA, Anatomic and Molecular Pathology
Saint Louis, MO 63110-1005 - Phone
- (314) 362-5641
- Fax
- (314) 362-0369
- NPI assigned
- Jul 29, 2013
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | 2017008742 | MO | Primary |
Addresses
Primary practice location
425 S Euclid Ave
Div PA, Anatomic and Molecular Pathology
Saint Louis, MO 63110-1005
Mailing address
PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-5641
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 200057464 | Medicaid | MO |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ | Washington University |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MO, IL
- 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
- Pathology
- Education
- Tulane University School of Medicine, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Barnes Jewish Hospital PLZ
FL 3
Saint Louis, MO 63110-1003
Phone (314) 362-5641
Hospital & facility affiliations
- Barnes Jewish Hospital
- Barnes-Jewish West County Hospital
- Memorial Hospital
- St Lukes Hospital
- Missouri Baptist Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.2 of 100
- Quality
- 71.6
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 75.75
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Washington University | Current | Accepting new patients | |
| Washington University Physicians in Illinois, Inc | Current | Accepting new patients | |
| Washington University Physicians in Illinois, Inc. | Current | Accepting new patients | |
| Washington University | Current | Accepting new patients | |
| Washington University Clinical Associates - Maryland Medical | Past | Accepting new patients |
Locations
4500 Memorial Dr
Swansea, IL 62226
Phone (618) 233-7750
1 Barnes Jewish Hospital Plz
Fl 3
Saint Louis, MO 63110
660 S Euclid Ave
#8118
Saint Louis, MO 63110
Phone (314) 362-0101
1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170
1 Barnes Jewish Hospital Plz
#P
Saint Louis, MO 63110
Phone (618) 474-1074
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 and National Provider Directory roles.
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1316987746
-
- Multi-Specialty Clinic/Center
- O Fallon, IL
- NPI 1477076263
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1962442475
-
- Multi-Specialty Clinic/Center
- O Fallon, IL
- NPI 1528569845
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1376869255
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1649299827
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1831107895
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1487663506
-
- General Acute Care Hospital
- Chesterfield, MO
- NPI 1346251543
-
- General Acute Care Hospital
- Belleville, IL
- NPI 1982796181
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1375056000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1744675200000",
"number": "1417399676",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 7412011",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606742011",
"telephone_number": "314-362-5641",
"fax_number": "314-362-0369"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "425 S EUCLID AVE",
"address_2": "DIV PA, ANATOMIC AND MOLECULAR PATHOLOGY",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631101005",
"telephone_number": "314-362-5641",
"fax_number": "314-362-0369"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BYRNES",
"first_name": "KATHLEEN",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2013-07-29",
"last_updated": "2025-04-15",
"status": "A"
},
"taxonomies": [
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "MO",
"license": "2017008742",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "200057464",
"state": "MO"
}
],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
"affiliation": "Y",
"affiliationName": "Washington University",
"address_1": "425 S Euclid Ave",
"address_2": "Div PA, Anatomic and Molecular Pathology",
"city": "Saint Louis",
"state": "MO",
"country_code": "US",
"postal_code": "631101005",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Saint Louis, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.