Individual provider Active NPI

Dan W Reiff, PH.D.

  • Nutritionist
  • Mercer Island, WA
National Provider Identifier
1184779845
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
NutritionistTaxonomy code 133N00000X
License
NU00000947 Issued in WA
Practice address
9725 SE 36TH St
Suite 301
Mercer Island, WA 98040-3841
Phone
(206) 232-8404
NPI assigned
Jan 24, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X LH00009322 WA
Nutritionist 133N00000X NU00000947 WA Primary

Addresses

Primary practice location

9725 SE 36TH St
Suite 301
Mercer Island, WA 98040-3841

Mailing address

9725 SE 36TH St
Suite 301
Mercer Island, WA 98040-3841
Phone (206) 232-8404

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
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
LH00009322WAMDMental Health Counselor
NU00000947WAMDNutritionist

Practice roles

OrganizationSpecialtyStatusNew patients
Kim Lampson PLLC PastSince Oct 11, 2020 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1169596800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1184779845",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9725 SE 36TH ST",
            "address_2": "SUITE 301",
            "city": "MERCER ISLAND",
            "state": "WA",
            "postal_code": "980403841",
            "telephone_number": "206-232-8404"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9725 SE 36TH ST",
            "address_2": "SUITE 301",
            "city": "MERCER ISLAND",
            "state": "WA",
            "postal_code": "980403841",
            "telephone_number": "206-232-8404"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REIFF",
        "first_name": "DAN",
        "middle_name": "W",
        "name_prefix": "Mr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-24",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WA",
            "license": "LH00009322",
            "primary": false
        },
        {
            "code": "133N00000X",
            "taxonomy_group": "",
            "desc": "Nutritionist",
            "state": "WA",
            "license": "NU00000947",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mercer Island, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.