Dorothy Dawn Malsack, R.D.N.

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

870637 Issued in CA

Practice address

2405 Atlantic Ave
Long Beach, CA 90806-3221

Phone

(949) 371-6947

Fax

(313) 668-6888

NPI assigned

Aug 29, 2019

Sex

Female

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

Enrolled in CA

Enrollment records 1

Specialty

Registered Dietitian Or Nutrition Professional

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• DD Hizzle LLC

  • Obesity and Weight Management Nutrition Registered Dietitian
  • Irvine, CA
  • NPI 1255084810
  Medicare reassignment NPD Authorized official
• Mirach LLC

  • Counselor
  • San Francisco, CA
  • NPI 1972179034

  Dietitian, Registered

  NPD
• Fay Nutrition

  • Registered Dietitian
  • San Francisco, CA
  • NPI 1104334465

  Dietitian, Registered

  NPD (past)

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

{
    "created_epoch": "1567036800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769472000000",
    "number": "1952959207",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "281 ESPLANADE",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "92612",
            "telephone_number": "310-993-1197"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2405 ATLANTIC AVE",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908063221",
            "telephone_number": "949-371-6947",
            "fax_number": "313-668-6888"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MALSACK",
        "first_name": "DOROTHY",
        "middle_name": "DAWN",
        "name_prefix": "Miss",
        "credential": "R.D.N.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-08-29",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "CA",
            "license": "870637",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kamelia Khalil Mallak, DDS
• Alexandria Elizabeth Mallory
• Krystal Mia Mallory
• Patricia M Mallory, LVN
• Claudette Sargento Maloles
• Lauren E. Maltby, PH.D.
• Matthew Maltezos, PEDORTHIST
• Saury Mamisay, NP
• Maria Hazel Manalang
• Tricia Manalastas, P.A.

• Registered Dietitian in Long Beach, CA
• Providers in Long Beach, CA by specialty
• Registered Dietitian in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.