Darren Lorenzo Olsen, PHD

Primary specialty

Clinical Child & Adolescent PsychologistTaxonomy code 103TC2200X

License

2019028609 Issued in MO

Practice address

2401 Gillham Rd
Kansas City, MO 64108-4619

Phone

(816) 234-3000

Fax

(816) 302-9939

NPI assigned

May 22, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MO, KS2 enrollments

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 2

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• The Children'S Mercy Hospital

  • Pediatrics Physician
  • Kansas City, MO
  • NPI 1851437719

  Clinical, KS, MO

  Medicare reassignment NPD
• The Children'S Mercy Hospital

  • Mail Order Pharmacy
  • Riverside, MO
  • NPI 1235923194
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1463875200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764892800000",
    "number": "1417304239",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2401 GILLHAM RD",
            "address_2": "PROVIDER ENROLLMENT DEPARTMENT",
            "city": "KANSAS CITY",
            "state": "MO",
            "postal_code": "641084619",
            "telephone_number": "816-234-3000",
            "fax_number": "816-302-9939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2401 GILLHAM RD",
            "city": "KANSAS CITY",
            "state": "MO",
            "postal_code": "641084619",
            "telephone_number": "816-234-3000",
            "fax_number": "816-302-9939"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSEN",
        "first_name": "DARREN",
        "middle_name": "LORENZO",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-05-22",
        "last_updated": "2025-12-05",
        "certification_date": "2025-12-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "MO",
            "license": "2019028609",
            "primary": true
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "KS",
            "license": "2712",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IN",
            "license": "20043261A",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Roseanne M Olmstead, M.D.
• Bradford Olney, MD
• Anastacia Lee Olsen, MD
• Anita Reann Olsen
• Brian Stevens Olsen, M.D.
• Steven Leonard Olsen, M.D.
• Armida N Olson
• Benjamin Andrew Olson, DDS
• Jacob Lorin Olson
• Kelly Ann Clevenger Olson, LPC

• All providers in Kansas City, MO
• Clinical Child & Adolescent Psychologist in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 2025; 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.

Verify at the official NPI Registry.