Active NPI
Riley David Dreher, D.C., M.S.
- Chiropractor
- Boulder, CO
National Provider Identifier
1629965405
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Chiropractor
- License
- CHR.0008925
- Practice address
- 2299 Pearl St Ste 206
Boulder, CO 80302-4670 - Phone
- (620) 960-5606
- NPI assigned
- Jun 23, 2025
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Chiropractor | 111N00000X | CHR.0008925 | CO | Primary |
Addresses
Primary practice location
2299 Pearl St Ste 206
Boulder, CO 80302-4670
Mailing address
1723 Sumac St
Longmont, CO 80501-7186
Phone (620) 960-5606
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)
- Not enrolled
- Credentials
- Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| CHR.0008925 | CO | MD | Chiropractor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1750636800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750636800000",
"number": "1629965405",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1723 SUMAC ST",
"city": "LONGMONT",
"state": "CO",
"postal_code": "805017186",
"telephone_number": "620-960-5606"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2299 PEARL ST STE 206",
"city": "BOULDER",
"state": "CO",
"postal_code": "803024670",
"telephone_number": "620-960-5606"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DREHER",
"first_name": "RILEY",
"middle_name": "DAVID",
"name_prefix": "Dr.",
"credential": "D.C., M.S.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-06-23",
"last_updated": "2025-06-23",
"certification_date": "2025-06-23",
"status": "A"
},
"taxonomies": [
{
"code": "111N00000X",
"taxonomy_group": "",
"desc": "Chiropractor",
"state": "CO",
"license": "CHR.0008925",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Boulder, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.