Individual provider Active NPI

Mark J Stern, PH.D.

  • Clinical Psychologist
  • Fayetteville, AR
National Provider Identifier
1124793666
Registry record updated Apr 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
PSY34309 Issued in CA
Practice address
1800 N Gregg Ave Apt 4
Fayetteville, AR 72703-2420
Phone
(619) 894-6565
NPI assigned
Aug 16, 2021
Last updated
Apr 2, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 2, 2025

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Neuropsychologist 103G00000X 202119 AR
Clinical Neuropsychologist 103G00000X PSY34309 CA
Clinical Psychologist 103TC0700X 202119 AR
Health Psychologist 103TH0004X 202119 AR
Clinical Psychologist 103TC0700X PSY34309 CA Primary
Health Psychologist 103TH0004X PSY34309 CA

Addresses

Primary practice location

1800 N Gregg Ave Apt 4
Fayetteville, AR 72703-2420

Mailing address

6977 Navajo Rd # 432
San Diego, CA 92119-1503
Phone (619) 250-2226

Other practice location 1

6977 Navajo Rd # 432
San Diego, CA 92119-1503
Phone (619) 250-2226

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
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
202119ARMDHealth Psychologist
PSY34309CAMDHealth Psychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Crossroads Institute for Psychotherapy and Assessment, Inc Clinical PastSince Jul 1, 2023 Accepting new patients

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1629072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743552000000",
    "number": "1124793666",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6977 NAVAJO RD # 432",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921191503",
            "telephone_number": "619-250-2226"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 N GREGG AVE APT 4",
            "city": "FAYETTEVILLE",
            "state": "AR",
            "postal_code": "727032420",
            "telephone_number": "619-894-6565"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6977 Navajo Rd # 432",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921191503",
            "country_code": "US",
            "telephone_number": "619-250-2226",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STERN",
        "first_name": "MARK",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-08-16",
        "last_updated": "2025-04-02",
        "certification_date": "2025-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "AR",
            "license": "202119",
            "primary": false
        },
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "CA",
            "license": "PSY34309",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "AR",
            "license": "202119",
            "primary": false
        },
        {
            "code": "103TH0004X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health",
            "state": "AR",
            "license": "202119",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY34309",
            "primary": true
        },
        {
            "code": "103TH0004X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health",
            "state": "CA",
            "license": "PSY34309",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fayetteville, AR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 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.

Verify at the official NPI Registry.