Ronald Andrew McCollum Jr.

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

Practice address

16593 China Berry CT
Chino Hills, CA 91709-6390

Phone

(840) 228-7740

NPI assigned

Feb 12, 2026

Last updated

Feb 12, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Athena Behavioral Health Group

  • Mental Health Counselor
  • Chino Hills, CA
  • NPI 1336091180
  NPD
• Odyssey Behavioral Health Centers LLC

  • Substance Abuse Rehabilitation Facility
  • Tustin, CA
  • NPI 1205784170
  NPD
• Stellar Body Solutions LLC

  • Massage Therapist
  • Jurupa Valley, CA
  • NPI 1073461653
  NPD

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

{
    "created_epoch": "1770854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770854400000",
    "number": "1902758949",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16593 CHINA BERRY CT",
            "city": "CHINO HILLS",
            "state": "CA",
            "postal_code": "917096390",
            "telephone_number": "840-228-7740"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16593 CHINA BERRY CT",
            "city": "CHINO HILLS",
            "state": "CA",
            "postal_code": "917096390",
            "telephone_number": "840-228-7740"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCOLLUM",
        "first_name": "RONALD",
        "middle_name": "ANDREW",
        "name_prefix": "Mr.",
        "name_suffix": "Jr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-02-12",
        "last_updated": "2026-02-12",
        "certification_date": "2026-02-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph Raymond Mascarenaz
• Cynthia Vaca May
• Melba Z. Mayes, D.D.S., M.S.
• Eric John McCabe, DPT
• Joyce Jeanine McCollum
• Ponneary Ke McCormick
• Cheryl McKinnon
• Louisa McKinnon, PHARMD
• Stacy Lynn McLain, PHD
• Brenda McLeod, OTR

• Addiction (Substance Use Disorder) Counselor in Chino Hills, CA
• Providers in Chino Hills, CA by specialty
• Addiction (Substance Use Disorder) Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 12, 2026; 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.