Aaron Daniel Masters

Primary specialty

Rehabilitation PractitionerTaxonomy code 225400000X

Practice address

8755 Aero Dr Ste 230
San Diego, CA 92123-1750

Phone

(858) 256-2180

NPI assigned

Aug 21, 2026

Sex

Male

Sole proprietor

No

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 and National Provider Directory roles.

• New Alternatives, Incorporated

  • Adolescent and Children Mental Health Clinic/Center
  • San Diego, CA
  • NPI 1023221470
  NPD (past)

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

{
    "created_epoch": "1787270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1154237808",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8755 AERO DR STE 230",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921231750",
            "telephone_number": "858-256-2180"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8755 AERO DR STE 230",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921231750",
            "telephone_number": "858-256-2180"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTERS",
        "first_name": "AARON",
        "middle_name": "DANIEL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-21",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225400000X",
            "taxonomy_group": "",
            "desc": "Rehabilitation Practitioner",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dina R. Massry, M.D.
• Ashley Guntkowski Mast, CNM, RN
• Patricia Mast
• Mastaneh Nikravesh MD PC
• Sonali Santiago Master, MD
• Athena Regina Masters
• Jasmyn Masters
• Marchita Rene Masters, PSY.D.
• Steven Edward Masters Sr., MSHS CATC CSC BCP
• Alexandra Masterson, LCSW

• Rehabilitation Practitioner in San Diego, CA
• Providers in San Diego, CA by specialty
• Rehabilitation Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.