Active NPI
Kalen D Zeiger, PHD, LMFT, CCTP,CFTP
- Marriage & Family Therapist
- Denver, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 0002784
- Practice address
- 1500 N Grant St Ste R
Denver, CO 80203-1859 - Phone
- (319) 855-7899
- Fax
- (303) 496-0786
- NPI assigned
- Jun 5, 2023
- 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 |
|---|---|---|---|---|
| Marriage & Family Therapist | 106H00000X | 112891 | IA | |
| Marriage & Family Therapist | 106H00000X | 2244-124 | WI | |
| Marriage & Family Therapist | 106H00000X | 0002784 | CO | Primary |
Addresses
Primary practice location
1500 N Grant St Ste R
Denver, CO 80203-1859
Mailing address
6732 W Coal Mine Ave.
PMB 139
Littleton, CO 80123-4573
Phone (319) 855-7899
Other practice location 1
315 E 5th St Ste 202
Waterloo, IA 50703-4759
Phone (319) 855-7899
Other practice location 2
1214 Dina Ct Ste A
Hiawatha, IA 52233-4706
Phone (319) 208-2352
Other practice location 3
2800 E Enterprise Ave Ste 333
Appleton, WI 54913-7889
Phone (319) 855-7899
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 9000240321 | Medicaid | CO | |
| 100304419 | Medicaid | WI | |
| 1140615 | Medicaid | IA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0002784 | CO | MD | Marriage & Family Therapist |
| 112891 | IA | MD | Marriage & Family Therapist |
| 2244-124 | WI | MD | Marriage & Family Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sandoval Therapy and Consulting LLC | Marriage & Family Therapist | Current | Accepting new patients |
Locations
1500 N Grant St
Ste R
Denver, CO 80203
Phone (319) 855-7899
6732 W Coal Mine Ave
Littleton, CO 80123
315 E 5th St
Ste 202
Waterloo, IA 50703
Phone (563) 249-5781
2800 E Enterprise Ave
Ste 333
Appleton, WI 54913
Phone (630) 687-0455
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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Denver, CO
- NPI 1871273375
IA, Marriage & Family Therapist
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1685923200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776038400000",
"number": "1306530332",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6732 W COAL MINE AVE.",
"address_2": "PMB 139",
"city": "LITTLETON",
"state": "CO",
"postal_code": "801234573",
"telephone_number": "319-855-7899",
"fax_number": "303-496-0786"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1500 N GRANT ST STE R",
"city": "DENVER",
"state": "CO",
"postal_code": "802031859",
"telephone_number": "319-855-7899",
"fax_number": "303-496-0786"
}
],
"practiceLocations": [
{
"address_1": "315 E 5th St Ste 202",
"address_purpose": "LOCATION",
"city": "Waterloo",
"state": "IA",
"postal_code": "507034759",
"country_code": "US",
"telephone_number": "319-855-7899",
"fax_number": "303-496-0786",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1214 Dina Ct Ste A",
"address_purpose": "LOCATION",
"city": "Hiawatha",
"state": "IA",
"postal_code": "522334706",
"country_code": "US",
"telephone_number": "319-208-2352",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2800 E Enterprise Ave Ste 333",
"address_purpose": "LOCATION",
"city": "Appleton",
"state": "WI",
"postal_code": "549137889",
"country_code": "US",
"telephone_number": "319-855-7899",
"fax_number": "303-496-0786",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ZEIGER",
"first_name": "KALEN",
"middle_name": "D",
"name_prefix": "Dr.",
"credential": "PHD, LMFT, CCTP,CFTP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-06-05",
"last_updated": "2026-04-13",
"certification_date": "2026-04-13",
"status": "A"
},
"taxonomies": [
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "IA",
"license": "112891",
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "WI",
"license": "2244-124",
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CO",
"license": "0002784",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "9000240321",
"state": "CO"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100304419",
"state": "WI"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1140615",
"state": "IA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Denver, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 13, 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.