Active NPI
William Mercurio Libetario Jr., CRNA
- Certified Registered Nurse Anesthetist
- Seattle, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- ARNP.AP.70075930-CRN
- Practice address
- 325 9TH Ave
Seattle, WA 98104-2420 - Phone
- (206) 520-5000
- NPI assigned
- Jun 29, 2021
- 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 |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | ARNP.AP.70075930-CRN | WA | Primary |
Addresses
Primary practice location
325 9TH Ave
Seattle, WA 98104-2420
Mailing address
PO Box 50095
Seattle, WA 98145-5095
Phone (206) 520-5700
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, WA
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 2023
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
325 9TH Ave
Seattle, WA 98104-2420
Phone (206) 731-3000
Hospital & facility affiliations
- Santa Monica - UCLA Med Ctr & Orthopaedic Hospital
- Ronald Reagan UCLA Medical Center
- Harborview Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 96.47 of 100
- Quality
- 93.25
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 79.74
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| ARNP.AP.70075930-CRN | WA | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of California | Nurse Anesthetist, Certified Registered | Current | Accepting new patients |
| Regents of the University of California | Current | Accepting new patients | |
| UCLA Medical Group | Past | Accepting new patients | |
| The Regents of the University of California | Past | Accepting new patients |
Locations
5767 W Century Blvd
Ste 400
Los Angeles, CA 90045
Phone (310) 301-5200
File 4501
Los Angeles, CA 90074
757 Westwood Plz
Ste 3325
Los Angeles, CA 90095
Phone (310) 267-8626
1245 16th St
Santa Monica, CA 90404
Phone (310) 794-1841
1250 16th St
Santa Monica, CA 90404
Phone (310) 301-8695
100 Moody Ct
Ste 200
Thousand Oaks, CA 91360
Phone (805) 418-3500
Organizations & group practices 5
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 1023041159
-
- Anesthesiology Physician
- Los Angeles, CA
- NPI 1326096165
Nurse Anesthetist, Certified Registered
-
- Pain Medicine Physician
- Los Angeles, CA
- NPI 1699224808
-
- Internal Medicine Physician
- Los Angeles, CA
- NPI 1235107566
-
- Internal Medicine Physician
- Los Angeles, CA
- NPI 1043427248
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Seattle, WA
- NPI 1053359729
-
- General Acute Care Hospital
- Santa Monica, CA
- NPI 1427055839
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1902803315
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1624924800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780272000000",
"number": "1073183455",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 50095",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981455095",
"telephone_number": "206-520-5700"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "325 9TH AVE",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981042420",
"telephone_number": "206-520-5000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LIBETARIO",
"first_name": "WILLIAM",
"middle_name": "MERCURIO",
"name_prefix": "Mr.",
"name_suffix": "Jr.",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-06-29",
"last_updated": "2026-06-01",
"certification_date": "2026-06-01",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "WA",
"license": "ARNP.AP.70075930-CRN",
"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 Jun 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.