Active NPI
Drew Werner, MD
- Family Medicine Physician
- Castle Rock, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- CO38541
- Practice address
- 831 S Perry St
Suite 200
Castle Rock, CO 80104-1919 - Phone
- (303) 218-7774
- Fax
- (303) 805-7732
- NPI assigned
- Nov 16, 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | CO38541 | CO | Primary |
Addresses
Primary practice location
831 S Perry St
Suite 200
Castle Rock, CO 80104-1919
Mailing address
831 S Perry St
Suite 200
Castle Rock, CO 80104-1919
Phone (303) 218-7774
Other practice location 1
4610 S Ulster St Ste 150
Denver, CO 80237-4326
Phone (888) 803-3370
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 99532034 | Medicaid | CO | |
| 1942373071 | Other | CO | NPI |
| CO38541 | Other | CO | LICENSE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CO
- 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 |
|---|---|---|---|---|
| I20110114000694 | CO | Practitioner - Family Practice | 6002005410 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| CO38541 | CO | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Portercare Adventist Health System | Current | Accepting new patients | |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Portercare Adventist Health System | Current | Accepting new patients | |
| Circle Medical Care Group PA | Family Medicine | Past | Accepting new patients |
Locations
2352 Meadows Blvd
Ste 300
Castle Rock, CO 80109
Phone (303) 744-1961
831 S Perry St
Ste 200
Castle Rock, CO 80104
Phone (303) 218-7774
2356 Meadows Blvd
Ste 140B
Castle Rock, CO 80109
Phone (303) 218-7774
7750 S Broadway
Ste 260
Littleton, CO 80122
Phone (303) 734-8650
Organizations & group practices 4
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.
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NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1163635200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784505600000",
"number": "1942373071",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "831 S PERRY ST",
"address_2": "SUITE 200",
"city": "CASTLE ROCK",
"state": "CO",
"postal_code": "801041919",
"telephone_number": "303-218-7774",
"fax_number": "303-805-7732"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "831 S PERRY ST",
"address_2": "SUITE 200",
"city": "CASTLE ROCK",
"state": "CO",
"postal_code": "801041919",
"telephone_number": "303-218-7774",
"fax_number": "303-805-7732"
}
],
"practiceLocations": [
{
"address_1": "4610 S Ulster St Ste 150",
"address_purpose": "LOCATION",
"city": "Denver",
"state": "CO",
"postal_code": "802374326",
"country_code": "US",
"telephone_number": "888-803-3370",
"fax_number": "888-803-3331",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WERNER",
"first_name": "DREW",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-11-16",
"last_updated": "2026-07-20",
"certification_date": "2026-07-20",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "CO",
"license": "CO38541",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "99532034",
"state": "CO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "NPI",
"identifier": "1942373071",
"state": "CO"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "LICENSE",
"identifier": "CO38541",
"state": "CO"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Castle Rock, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 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.