Christopher John Rosenzweig, RD

Primary specialty

Obesity and Weight Management Nutrition Registered DietitianTaxonomy code 133VN1201X

License

86064679 Issued in NY

Practice address

46 Overlook Ave
Eastchester, NY 10709-3712

Phone

(914) 290-2519

Fax

(512) 399-9039

NPI assigned

Jan 19, 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

State licenses

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

{
    "created_epoch": "1768780800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768780800000",
    "number": "1396604153",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "46 OVERLOOK AVE",
            "city": "EASTCHESTER",
            "state": "NY",
            "postal_code": "107093712"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "46 OVERLOOK AVE",
            "city": "EASTCHESTER",
            "state": "NY",
            "postal_code": "107093712",
            "telephone_number": "914-290-2519",
            "fax_number": "512-399-9039"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROSENZWEIG",
        "first_name": "CHRISTOPHER",
        "middle_name": "JOHN",
        "name_prefix": "Mr.",
        "credential": "RD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-19",
        "last_updated": "2026-01-19",
        "certification_date": "2026-01-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133VN1201X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Obesity and Weight Management",
            "state": "NY",
            "license": "86064679",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gerald Ridge, MD
• Yanina E Rodich, IBCLC
• Angel Luis Rodriguez, M.D.
• Joseph Romeo
• Esther Romilus, FNP-BC
• Katherine Rosenzweig, RD
• Giovanni Russo, RN
• Afelia Safarova, MD
• Ginelle Dora Saint Jean
• Martin Jay Saltzman, MD

• All providers in Eastchester, NY
• Obesity and Weight Management Nutrition Registered Dietitian in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 19, 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.