Individual provider Active NPI

Kalen D Zeiger, PHD, LMFT, CCTP,CFTP

  • Marriage & Family Therapist
  • Denver, CO
National Provider Identifier
1306530332
Registry record updated Apr 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
0002784 Issued in CO
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

Updated by the provider on Apr 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
9000240321MedicaidCO
100304419MedicaidWI
1140615MedicaidIA

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250107003660 IA Practitioner - Marriage and Family Therapist 7517495328 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
0002784COMDMarriage & Family Therapist
112891IAMDMarriage & Family Therapist
2244-124WIMDMarriage & Family Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Sandoval Therapy and Consulting LLC Marriage & Family Therapist CurrentSince Dec 6, 2024 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.

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

Verify at the official NPI Registry.