Active NPI
Herbert Kloss, MD
- Anesthesiology Physician
- Mercer Island, WA
National Provider Identifier
1407846504
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- MD00017372
- Practice address
- 5057 84TH Ave SE
Mercer Island, WA 98040-4617 - Phone
- (206) 244-1212
- Fax
- (206) 244-1223
- NPI assigned
- Oct 28, 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 |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | MD00017372 | WA | Primary |
Addresses
Primary practice location
5057 84TH Ave SE
Mercer Island, WA 98040-4617
Mailing address
PO Box 5908
Bellevue, WA 98006-0408
Phone (206) 244-1212
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0139716 | Other | WA | DEPT OF LABOR & INDUSTRIE |
| P00113699 | Other | WA | RAILROAD MEDICARE |
| 1055268 | Medicaid | WA | |
| 9638KL | Other | WA | REGENCE BLUE SHIELD |
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
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD00017372 | WA | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Joel Highness MD PS | Anesthesiology | 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.
-
- Anesthesiology Physician
- Seattle, WA
- NPI 1104098706
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1130457600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1407846504",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 5908",
"city": "BELLEVUE",
"state": "WA",
"postal_code": "980060408",
"telephone_number": "206-244-1212",
"fax_number": "206-244-1223"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5057 84TH AVE SE",
"city": "MERCER ISLAND",
"state": "WA",
"postal_code": "980404617",
"telephone_number": "206-244-1212",
"fax_number": "206-244-1223"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KLOSS",
"first_name": "HERBERT",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-28",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "WA",
"license": "MD00017372",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "DEPT OF LABOR & INDUSTRIE",
"identifier": "0139716",
"state": "WA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RAILROAD MEDICARE",
"identifier": "P00113699",
"state": "WA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1055268",
"state": "WA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "REGENCE BLUE SHIELD",
"identifier": "9638KL",
"state": "WA"
}
],
"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 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.