Active NPI
Fred O. Williams, MD
- Emergency Medicine Physician
- Walsenburg, CO
National Provider Identifier
1013987973
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 17644
- Practice address
- 23500 US Highway 160
Walsenburg, CO 81089-9524 - Phone
- (719) 738-5100
- NPI assigned
- Jan 24, 2006
- 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 | 17644 | CO | Primary |
Addresses
Primary practice location
23500 US Highway 160
Walsenburg, CO 81089-9524
Mailing address
23500 US Highway 160
Walsenburg, CO 81089-9524
Phone (719) 738-5100
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01176445 | Medicaid | CO | |
| 930095240 | Other | CO | RR MEDICARE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 17644 | CO | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Platte Valley Emergency Physicians, PC | Emergency 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.
-
- Emergency Medicine Physician
- Brighton, CO
- NPI 1508836198
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1138060800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789257600000",
"number": "1013987973",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "23500 US HIGHWAY 160",
"city": "WALSENBURG",
"state": "CO",
"postal_code": "810899524",
"telephone_number": "719-738-5100"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "23500 US HIGHWAY 160",
"city": "WALSENBURG",
"state": "CO",
"postal_code": "810899524",
"telephone_number": "719-738-5100"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "FRED",
"middle_name": "O.",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-01-24",
"last_updated": "2026-09-13",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "CO",
"license": "17644",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "01176445",
"state": "CO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RR MEDICARE",
"identifier": "930095240",
"state": "CO"
}
],
"endpoints": [],
"other_names": []
}Other providers in Walsenburg, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.