ADVANCED ANESTHESIA SERVICES, PLLC
NPI 1700211786
Nurse Anesthetist, Certified Registered in Bellevue, WA

Active since September 09, 2013
1260 116TH AVE NE STE 110, BELLEVUE, WA 98004(206) 330-6722(425) 256-3250 Get Directions Write a Review

NPPES record last updated: September 9, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 9, 2021, Feb 10, 2017 (2 updates tracked since 2017).

About Advanced Anesthesia Services, Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADVANCED ANESTHESIA SERVICES, PLLC (NPI 1700211786) is a healthcare organization registered as a nurse anesthetist, certified registered in Bellevue, Washington and active in the NPI registry since September 2013. The organization maintains 3 additional practice locations and lists Allyn D. Wilcock, Owner, as its authorized official.

NPPES Registry Identity

NPI1700211786
Entity TypeOrganization
Primary Taxonomy367500000X
Legal Business NameADVANCED ANESTHESIA SERVICES, PLLC
Location Address1260 116TH AVE NE STE 110Bellevue, WA 98004-3800
Mailing Address35302 Se Center StSnoqualmie, WA 98065-9216 · (425) 615-6100 · Fax (425) 256-3250
Fax(425) 256-3250
Organization SubpartNo
Authorized OfficialAllyn D. WilcockOwner · (425) 615-6100
Enumeration DateSeptember 9, 2013
Last NPPES UpdateSeptember 9, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2021
✔ NPI 1700211786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in WA · AP30006926
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1260 116TH AVE NE STE 110, Bellevue, WA 98004

Secondary Practice Locations 3

Location 1450 NW Gilman Blvd Ste 303Issaquah, WA 98027-2483 · Phone (425) 615-6100
Location 2155 Lilly Rd NE Ste BOlympia, WA 98506-5028 · Phone (425) 615-6100
Location 31145 BroadwaySeattle, WA 98122-4201 · Phone (425) 615-6100 · Fax (425) 256-3250

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Advanced Anesthesia Services, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

55

Medicare enrollment records show 55 clinicians reassign Medicare billing to Advanced Anesthesia Services, PLLC, which bills Medicare for the services they deliver. Of these, 16 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Certified Registered Nurse Anesthetist (CRNA)53
Anesthesiology1
Interventional Pain Management1

Nearest to this location (20)

See all 55
Certified Registered Nurse Anesthetist (CRNA)
NPI 1336628486
11511 NE 10TH ST
Bellevue, WA 98004
(425) 502-3000
✔ Accepts Medicare0.3 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1558932236
5733 39TH AVE NE
Seattle, WA 98105
(206) 852-9449
✔ Accepts Medicare5.9 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1578927935
1959 NE PACIFIC ST
Seattle, WA 98195
(206) 543-6420
✔ Accepts Medicare6.1 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1134630643
600 BROADWAY STE 270
Seattle, WA 98122
(206) 625-0578
✔ Accepts Medicare6.5 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1588001002
600 BROADWAY STE 270
Seattle, WA 98122
(206) 625-0578
✔ Accepts Medicare6.5 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1841082104
600 BROADWAY STE 270
Seattle, WA 98122
(713) 820-1731
✔ Accepts Medicare6.5 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1932643996
600 BROADWAY STE 270
Seattle, WA 98122
(206) 625-0578
✔ Accepts Medicare6.5 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1255457685
1145 BROADWAY
Seattle, WA 98122
(206) 329-1760
✔ Accepts Medicare6.5 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1639611437
1229 MADISON ST STE 1440
Seattle, WA 98104
(206) 625-0578
✔ PECOS✔ Accepts Medicare6.5 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1750912515
747 BROADWAY
Seattle, WA 98122
(206) 386-6000
6.5 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1427354976
325 9TH AVE BOX 359724
Seattle, WA 98104
(206) 744-8491
✔ Accepts Medicare6.7 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1659843456
1100 9TH AVE B2-AN
Seattle, WA 98101
(206) 223-6980
✔ Accepts Medicare6.8 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1598593295
1100 9TH AVE
Seattle, WA 98101
(206) 223-6980
✔ Accepts Medicare6.8 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1912569161
1100 9TH AVE
Seattle, WA 98101
(206) 223-6600
✔ Accepts Medicare6.8 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1295299980
501 NW 42ND ST
Seattle, WA 98107
(682) 999-7502
✔ Accepts Medicare8.8 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1508026675
1550 N 115TH ST STE 101
Seattle, WA 98133
(206) 520-5000
✔ PECOS✔ Accepts Medicare9.6 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1336784131
400 S 43RD ST
Renton, WA 98055
(425) 228-3450
✔ Accepts Medicare12 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1801858535
7829 CENTER BLVE STE 310
Snoqualmie, WA 98065
(206) 330-6722
✔ Accepts Medicare16 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1326307810
34503 9TH AVE S STE 240
Federal Way, WA 98003
(253) 272-5127
✔ Accepts Medicare24 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1639477466
3927 RUCKER AVE
Everett, WA 98201
(425) 259-0966
✔ Accepts Medicare24 mi
See all 55 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Advanced Anesthesia Services, PLLC's NPI number?

The NPI number for Advanced Anesthesia Services, PLLC is 1700211786. It was assigned to this organization in the NPPES registry on September 9, 2013.

Where is Advanced Anesthesia Services, PLLC located?

Advanced Anesthesia Services, PLLC is located at 1260 116th Ave NE Ste 110, Bellevue, WA 98004. The listed phone number is (206) 330-6722.

What is Advanced Anesthesia Services, PLLC's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Advanced Anesthesia Services, PLLC enrolled in Medicare?

Yes. Advanced Anesthesia Services, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Advanced Anesthesia Services, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 55 clinicians in 3 Medicare specialties reassign their Medicare billing to Advanced Anesthesia Services, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (53), Anesthesiology (1) and Interventional Pain Management (1). Of these, 16 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Advanced Anesthesia Services, PLLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Advanced Anesthesia Services, PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Advanced Anesthesia Services, PLLC was last updated on September 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.