Organization Active NPI

Mountain Mental Health PLLC

  • Psychiatry Physician
  • Bellevue, WA
National Provider Identifier
1275469595
Registry record updated Jun 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
Legal business name
MOUNTAIN MENTAL HEALTH PLLC
Practice address
14205 SE 36TH St Ste 100
Bellevue, WA 98006-1553
Phone
(425) 657-8819
Fax
(507) 607-8918
NPI assigned
Jun 23, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2026

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

Authorized official

Name
Ilyse Rosenberg, DO
Title
Dr
Phone
(425) 657-8819

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 2084P0800X Primary

Addresses

Primary practice location

14205 SE 36TH St Ste 100
Bellevue, WA 98006-1553

Mailing address

14205 SE 36TH St Ste 100
Bellevue, WA 98006-1553
Phone (425) 657-8819

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1782172800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782172800000",
    "number": "1275469595",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14205 SE 36TH ST STE 100",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980061553",
            "telephone_number": "425-657-8819",
            "fax_number": "507-607-8918"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14205 SE 36TH ST STE 100",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980061553",
            "telephone_number": "425-657-8819",
            "fax_number": "507-607-8918"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MOUNTAIN MENTAL HEALTH PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-23",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-04",
        "status": "A",
        "authorized_official_last_name": "ROSENBERG",
        "authorized_official_first_name": "ILYSE",
        "authorized_official_title_or_position": "DR",
        "authorized_official_telephone_number": "425-657-8819",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bellevue, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.