Active NPI
Sheri Tamaddon, M.D.
- Anesthesiology Physician
- Burien, WA
National Provider Identifier
1003897968
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- MD00038290
- Practice address
- 16251 Sylvester Rd SW
Burien, WA 98166-3017 - Phone
- (206) 244-1212
- Fax
- (206) 244-1223
- NPI assigned
- Nov 8, 2005
- Sex
- Female
- 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 | MD00038290 | WA | Primary |
Addresses
Primary practice location
16251 Sylvester Rd SW
Burien, WA 98166-3017
Mailing address
PO Box 48159
Burien, WA 98148-0159
Phone (206) 244-1212
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 8357790 | Medicaid | WA | |
| 3204TA | Other | WA | REGENCE BLUE SHIELD |
| 8931513 | Other | WA | CRIME VICTIMS PGM |
| 0174187 | Other | WA | DEPT OF LABOR & INDUSTRIE |
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Seattle Anesthesia Services, P C | 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
- Juneau, AK
- NPI 1437108040
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1131408000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1003897968",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 48159",
"city": "BURIEN",
"state": "WA",
"postal_code": "981480159",
"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": "16251 SYLVESTER RD SW",
"city": "BURIEN",
"state": "WA",
"postal_code": "981663017",
"telephone_number": "206-244-1212",
"fax_number": "206-244-1223"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TAMADDON",
"first_name": "SHERI",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-11-08",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "WA",
"license": "MD00038290",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "8357790",
"state": "WA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "REGENCE BLUE SHIELD",
"identifier": "3204TA",
"state": "WA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CRIME VICTIMS PGM",
"identifier": "8931513",
"state": "WA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "DEPT OF LABOR & INDUSTRIE",
"identifier": "0174187",
"state": "WA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Burien, 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.