Christopher John Nicholls, PH.D.

Primary specialty

Clinical NeuropsychologistTaxonomy code 103G00000X

License

1139 Issued in AZ

Practice address

8687 E Via de Ventura
Suite 113
Scottsdale, AZ 85258-3347

Phone

(480) 998-2303

Fax

(480) 998-3169

NPI assigned

Apr 10, 2007

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

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Oct 1, 2015 through Oct 1, 2027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

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.

• Health Psychology Associates

  • Clinical Psychologist
  • Scottsdale, AZ
  • NPI 1194270181
  NPD (past) Authorized official

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

{
    "created_epoch": "1176163200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1265655138",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6159",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852616159",
            "telephone_number": "480-998-2303",
            "fax_number": "480-998-3169"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8687 E VIA DE VENTURA",
            "address_2": "SUITE 113",
            "city": "SCOTTSDALE",
            "state": "AZ",
            "postal_code": "852583347",
            "telephone_number": "480-998-2303",
            "fax_number": "480-998-3169"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICHOLLS",
        "first_name": "CHRISTOPHER",
        "middle_name": "JOHN",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-10",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "AZ",
            "license": "1139",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "AZ",
            "license": "1139",
            "primary": false
        },
        {
            "code": "103TC2200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical Child & Adolescent",
            "state": "AZ",
            "license": "1139",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Seth Oliver Niblett, PA-C
• Megan Joy Nibley, PA
• Alexandru Stefan Nica, MD
• Candace Jo Nicholas, NP
• Keanu Nicholas, RBT
• Alexis C Nichols, LAC
• Daniel Nichols, LCSW
• Matthew Charles Nichols, DO
• Heather Nicholson, PA-C
• Nicola Arnott Nicholson, PA

• Clinical Neuropsychologist in Scottsdale, AZ
• Providers in Scottsdale, AZ by specialty
• Clinical Neuropsychologist in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.