Active NPI
Steven R Polenz, D.C.
- Chiropractor
- Seattle, WA
National Provider Identifier
1437134251
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Chiropractor
- License
- 3030
- Practice address
- 1408 N 80TH St
Seattle, WA 98103-4421 - Phone
- (206) 523-0121
- Fax
- (206) 523-0341
- NPI assigned
- Dec 14, 2005
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Chiropractor | 111N00000X | 3030 | WA | Primary |
Addresses
Primary practice location
1408 N 80TH St
Seattle, WA 98103-4421
Mailing address
1408 N 80TH St
Seattle, WA 98103-4421
Phone (206) 523-0121
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)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 3030 | WA | MD | Chiropractor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dr Barry Gjerdrum PS | Chiropractor | Past | 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 and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1134518400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1437134251",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1408 N 80TH ST",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981034421",
"telephone_number": "206-523-0121",
"fax_number": "206-523-0341"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1408 N 80TH ST",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981034421",
"telephone_number": "206-523-0121",
"fax_number": "206-523-0341"
}
],
"practiceLocations": [],
"basic": {
"last_name": "POLENZ",
"first_name": "STEVEN",
"middle_name": "R",
"name_prefix": "Dr.",
"credential": "D.C.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-12-14",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "111N00000X",
"taxonomy_group": "",
"desc": "Chiropractor",
"state": "WA",
"license": "3030",
"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 Jul 13, 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.