Active NPI
Weston Michael McCarron, MD
- Emergency Medicine Physician
- Saint Louis, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 2021005875
- Practice address
- 1 Barnes Jewish Hospital PLZ
Dept Emergency Med
Saint Louis, MO 63110-1003 - Phone
- (314) 362-9123
- Fax
- (314) 362-0478
- NPI assigned
- Jun 30, 2019
- 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 |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 2021005875 | MO | Primary |
Addresses
Primary practice location
1 Barnes Jewish Hospital PLZ
Dept Emergency Med
Saint Louis, MO 63110-1003
Mailing address
PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-9123
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 200071820 | 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
- 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
- Emergency Medicine
- Education
- Washington University School of Medicine, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Barnes Hospital PLZ
Saint Louis, MO 63110-1003
Phone (314) 362-9170
1225 Graham Rd
Florissant, MO 63031-8012
Phone (314) 362-9123
Hospital & facility affiliations
- Missouri Baptist Medical Center
- Christian Hospital Northeast
- Barnes Jewish Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.2 of 100
- Quality
- 71.6
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 75.75
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of nail tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2021005875 | MO | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cep America, LLC | Emergency Medicine | Current | Accepting new patients |
| Washington University | Current | Accepting new patients | |
| Southeastern Emergency Physicians of Memphis LLC | Emergency Medicine | Current | Accepting new patients |
| Cep America LLC | Emergency Medicine | Current | Accepting new patients |
| Cep America LLC | Emergency Medicine | Current | Accepting new patients |
| Washington University Community Specialists, LLC | Current | Accepting new patients | |
| Washington University | Current | Accepting new patients | |
| Washington University Physicians in Illinois, Inc | Past | Accepting new patients |
Locations
1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423
1600 E Broadway
Columbia, MO 65201
Phone (573) 632-5000
1015 Bowles Ave
Fenton, MO 63026
Phone (636) 496-2000
1225 Graham Rd
#U
Florissant, MO 63031
100 Medical Plz
Lake St Louis, MO 63367
Phone (636) 625-5200
1 Barnes Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-9170
400 S Kingshighway Blvd
#F
Saint Louis, MO 63110
Phone (314) 454-7900
660 S Euclid Ave
#8072
Saint Louis, MO 63110
Phone (314) 362-9177
1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110
Phone (314) 362-1700
11133 Dunn Rd
#U
Saint Louis, MO 63136
660 S Euclid Ave
Saint Louis, MO 63110
Organizations & group practices 8
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.
-
- Emergency Care Clinic/Center
- Saint Louis, MO
- NPI 1104866656
-
- Emergency Care Clinic/Center
- Saint Louis, MO
- NPI 1922812254
-
- Emergency Medicine Physician
- Saint Louis, MO
- NPI 1619332046
-
- Emergency Medicine Physician
- Alton, IL
- NPI 1437105277
MO
-
- Emergency Medicine Physician
- Lake St Louis, MO
- NPI 1982259305
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1962442475
-
- Emergency Medicine Physician
- Fort Lauderdale, FL
- NPI 1700747946
-
- Multi-Specialty Clinic/Center
- Saint Louis, MO
- NPI 1457203135
Hospital & facility affiliations 4
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 1639186760
-
- General Acute Care Hospital
- Saint Louis, MO
- NPI 1487663506
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1561852800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1744848000000",
"number": "1770145724",
"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": "314-362-9123",
"fax_number": "314-362-0478"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1 BARNES JEWISH HOSPITAL PLZ",
"address_2": "DEPT EMERGENCY MED",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631101003",
"telephone_number": "314-362-9123",
"fax_number": "314-362-0478"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCCARRON",
"first_name": "WESTON",
"middle_name": "MICHAEL",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-06-30",
"last_updated": "2025-04-17",
"certification_date": "2022-11-07",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "MO",
"license": "2021005875",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "200071820",
"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": "1 Barnes Jewish Hospital Plz",
"address_2": "Dept Emergency Med",
"city": "Saint Louis",
"state": "MO",
"country_code": "US",
"postal_code": "631101003",
"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 17, 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.