Individual provider Active NPI

Lauren Mason Massie, RDN, LD, CLC

  • Registered Dietitian
  • San Francisco, CA
National Provider Identifier
1497641617
Registry record updated Jun 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered DietitianTaxonomy code 133V00000X
License
LD.08798 Issued in OH
Practice address
425 California St Ste 1400
San Francisco, CA 94104-2116
Phone
(212) 589-2700
NPI assigned
Jun 16, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 16, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Dietitian 133V00000X LD.08798 OH Primary

Addresses

Primary practice location

425 California St Ste 1400
San Francisco, CA 94104-2116

Mailing address

1459 Township Road 973
Ashland, OH 44805-9425
Phone (614) 596-9457

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
LD.08798OHMDRegistered Dietitian

Practice roles

OrganizationSpecialtyStatusNew patients
Cloud Health Medical Group, P.a. Past Accepting new patients
Cloud Health Medical Group of California, P.C. Past Accepting new patients
Cloud Health Medical Group of New Jersey, P.C. Past Accepting new patients

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1750032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750032000000",
    "number": "1497641617",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1459 TOWNSHIP ROAD 973",
            "city": "ASHLAND",
            "state": "OH",
            "postal_code": "448059425",
            "telephone_number": "614-596-9457"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "425 CALIFORNIA ST STE 1400",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941042116",
            "telephone_number": "212-589-2700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASSIE",
        "first_name": "LAUREN",
        "middle_name": "MASON",
        "credential": "RDN, LD, CLC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-16",
        "last_updated": "2025-06-16",
        "certification_date": "2025-06-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "OH",
            "license": "LD.08798",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 16, 2025; 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.