Active NPI
Mountain Mental Health PLLC
- Psychiatry Physician
- Bellevue, WA
National Provider Identifier
1275469595
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- 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
- Last updated
- Jun 23, 2026
- Organization subpart
- No
NPPES NPI Registry
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
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 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 DirectoryPractitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Psychiatry Physician
- Bellevue, WA
- NPI 1649430125
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.