Active NPI
Christopher Allen Underwood, AMFT
- Marriage & Family Therapist
- Roseville, CA
National Provider Identifier
1033658935
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 135159
- Practice address
- 1133 Coloma Way Ste C
Roseville, CA 95661-4480 - Phone
- (916) 955-6220
- NPI assigned
- Feb 13, 2017
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | CA | ||
| Marriage & Family Therapist | 106H00000X | 135159 | CA | Primary |
| Addiction (Substance Use Disorder) Counselor | 101YA0400X |
Addresses
Primary practice location
1133 Coloma Way Ste C
Roseville, CA 95661-4480
Mailing address
16185 Los Gatos Blvd
Los Gatos, CA 95032-4568
Phone (424) 866-8466
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 135159 | CA | MD | Marriage & Family Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1486944000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753228800000",
"number": "1033658935",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "16185 LOS GATOS BLVD",
"city": "LOS GATOS",
"state": "CA",
"postal_code": "950324568",
"telephone_number": "424-866-8466",
"fax_number": "916-388-3232"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1133 COLOMA WAY STE C",
"city": "ROSEVILLE",
"state": "CA",
"postal_code": "956614480",
"telephone_number": "916-955-6220"
}
],
"practiceLocations": [],
"basic": {
"last_name": "UNDERWOOD",
"first_name": "CHRISTOPHER",
"middle_name": "ALLEN",
"credential": "AMFT",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2017-02-13",
"last_updated": "2025-07-23",
"certification_date": "2025-07-23",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "CA",
"license": null,
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CA",
"license": "135159",
"primary": true
},
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Roseville, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 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.