Active NPI
Konstantin L. Sheftelevich, PLLC.
- Clinical Social Worker
- Seattle, WA
National Provider Identifier
1730083627
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- Legal business name
- KONSTANTIN L. SHEFTELEVICH, PLLC.
- Practice address
- 600 N 36TH St Ste 327
Seattle, WA 98103-8699 - Phone
- (401) 523-4111
- NPI assigned
- Oct 5, 2026
- Last updated
- Oct 5, 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
- Konstantin Sheftelevich, LICSW
- Title
- Owner, Mental Health Therapist
- Phone
- (401) 523-4111
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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | NU | Primary |
Addresses
Primary practice location
600 N 36TH St Ste 327
Seattle, WA 98103-8699
Mailing address
600 N 36TH St Ste 327
Seattle, WA 98103-8699
Phone (401) 523-4111
Practitioners & 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.
-
- Clinical Social Worker
- Everett, WA
- NPI 1164846895
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1791158400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1791158400000",
"number": "1730083627",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "600 N 36TH ST STE 327",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981038699",
"telephone_number": "401-523-4111"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "600 N 36TH ST STE 327",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981038699",
"telephone_number": "401-523-4111"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "KONSTANTIN L. SHEFTELEVICH, PLLC.",
"organizational_subpart": "NO",
"enumeration_date": "2026-10-05",
"last_updated": "2026-10-05",
"certification_date": "2026-10-05",
"status": "A",
"authorized_official_last_name": "SHEFTELEVICH",
"authorized_official_first_name": "KONSTANTIN",
"authorized_official_title_or_position": "OWNER, MENTAL HEALTH THERAPIST",
"authorized_official_telephone_number": "401-523-4111",
"authorized_official_credential": "LICSW"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Seattle, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.