Diana Louise Malkin-Washeim, MPH,R.D., CDE, CD-N

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

002798 Issued in NY

Practice address

13303 Jamaica Ave
Richmond Hill, NY 11418-2618

Phone

(516) 787-1065

NPI assigned

Aug 27, 2010

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H9678

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.

• Harbor View Medical Services PC

  • Pulmonary Disease Physician
  • Port Jefferson, NY
  • NPI 1861636219

  Multi-Specialty

  Medicare reassignment NPD
• Jamaica Hospital

  • Emergency Medical Services (Emergency Medicine) Physician
  • Jamaica, NY
  • NPI 1477505220

  Multi-Specialty

  Medicare reassignment NPD
• Bronxcare Health System

  • Internal Medicine Physician
  • Bronx, NY
  • NPI 1245390855
  Medicare reassignment
• Bronxcare Health System

  • Clinical Social Worker
  • Bronx, NY
  • NPI 1326115692

  Dietitian, Registered

  NPD
• Harbor View Medical Services PC

  • Internal Medicine Physician
  • Port Jefferson, NY
  • NPI 1306631742

  Multi-Specialty

  NPD
• Harbor View Medical Services PC

  • Endocrinology, Diabetes & Metabolism Physician
  • Port Jefferson, NY
  • NPI 1588070403

  Multi-Specialty

  NPD
• Jamaica Hospital

  • Skilled Nursing Facility
  • Jamaica, NY
  • NPI 1750516795
  NPD
• Nourish, Inc.

  • Registered Dietitian
  • Austin, TX
  • NPI 1558097824

  Dietitian, Registered

  NPD (past)

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

{
    "created_epoch": "1282867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1154637171",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13303 JAMAICA AVE",
            "city": "RICHMOND HILL",
            "state": "NY",
            "postal_code": "114182618",
            "telephone_number": "516-787-1065"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13303 JAMAICA AVE",
            "city": "RICHMOND HILL",
            "state": "NY",
            "postal_code": "114182618",
            "telephone_number": "516-787-1065"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MALKIN-WASHEIM",
        "first_name": "DIANA",
        "middle_name": "LOUISE",
        "name_prefix": "Ms.",
        "credential": "MPH,R.D., CDE, CD-N",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-08-27",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "NY",
            "license": "002798",
            "primary": true
        },
        {
            "code": "133VN1201X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dietitian, Registered, Nutrition, Obesity and Weight Management",
            "state": "NY",
            "license": "002798",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Aya Majzoub, MD
• Amanda Krishna Makol
• Madhu Malhotra
• Naheed Malik
• Olga Lvovna Malinovsky, LMSW
• Ariella Mamann, PA-C
• Elmira Mamedova
• Philip Mancia
• Aditya Mangla, D.O.
• Arun K Mangla, MD

• Registered Dietitian in Richmond Hill, NY
• Providers in Richmond Hill, NY by specialty
• Registered Dietitian in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.