DR. BRENDAN JOYCE CHONG O'MALLEY M.D.
NPI 1033550819
Anesthesiology in Seattle, WA

Q: What is Brendan O'malley's NPI number?

The NPI number for Brendan O'malley is 1033550819. It was assigned to this individual provider in the NPPES registry on July 9, 2013.

Q: What is Brendan O'malley's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Brendan O'malley was last updated on August 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since July 09, 2013PECOS EnrolledAccepts Medicare Assignment

1100 9TH AVE, SEATTLE, WA 98101(206) 223-6980(206) 223-6982 Get Directions Write a Review

NPPES record last updated: August 27, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Dr. Brendan Joyce Chong O'malley M.d. NPPES

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

DR. BRENDAN JOYCE CHONG O'MALLEY M.D. (NPI 1033550819) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (MD60637087) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1033550819

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. BRENDAN JOYCE CHONG O'MALLEYCredential: M.D.

Location Address1100 9TH AVESeattle, WA 98101-2756

Mailing AddressPo Box 741515Los Angeles, CA 90074-1515 · (206) 223-6980 · Fax (206) 223-6982

Phone(206) 223-6980

Fax(206) 223-6982

Sole ProprietorYes

Medical School CMSOtherGraduated 2013

Enumeration DateJuly 9, 2013

Last NPPES UpdateAugust 27, 2024

NPPES CertifiedAugust 27, 2024

✔ NPI 1033550819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

Licenses✔ Licensed in WA · MD60637087✔ Licensed in KS · KS440687

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

1100 9TH AVE, Seattle, WA 98101

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Blue Cross Blue Shield of Wyoming, Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Brendan Joyce Chong O'malley M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406158617

PECOS Enrollment IDI20240106000844

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Brendan O'malley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Virginia Mason Medical Center

Same address

Gastroenterology

1100 9TH AVE
Seattle, WA 98101

Reassigned Medicare billing, Washington enrollment
1,021 clinicians in this Medicare group

NPI 1003970989 (206) 223-6600

Boulder Valley Anesthesiology, PLLC

999 mi

Anesthesiology

4747 ARAPAHOE AVE
Boulder, CO 80303

Reassigned Medicare billing, Colorado enrollment
93 clinicians in this Medicare group

NPI 1962431668 (303) 415-7000

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

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

59 services58 patients

Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 00732

This procedure involves using an endoscope, a flexible tube with a light and camera, to examine or treat your gallbladder, pancreas, or liver. Anesthesia is administered to ensure you're comfortable and pain-free during the procedure.

24 services24 patients

Anesthesia for other procedure on upper abdomen 00790

Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.

24 services23 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

18 services18 patients

Anesthesia for other closed procedure on chest 00520

Anesthesia for a closed chest procedure involves the use of medications to block sensation, ensuring you don't feel pain during the procedure. It can be general (you're asleep) or regional (part of your body is numbed). This helps maintain comfort and safety.

13 services12 patients

Anesthesia for other procedure on urinary system through urethra 00910

Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Virginia Mason Medical Center

Acute Care Hospitals · Seattle, WA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500005

Location925 Seneca StSeattle, WA 98101 · King County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JACLYN ANN SUBKOVIAK OT

Occupational Therapist

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 341-0461

MARCIE G HUME PHARM.D.

Pharmacist

1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101

King County (206) 223-6877

DR. VINAY GUPTA MD

Internal Medicine (Critical Care Medicine)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6980

MARY JO BUKOVIC CCP

Contractor

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

PEGAH SAFAEIAN D.O.

Physical Medicine & Rehabilitation

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

MRS. GENEVIEVE HOUDET-COTE SLP

Speech-Language Pathologist

1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101

King County (206) 341-0461

ROBERT DALE MCCLURE MD

Surgery

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

VIRGINIA MASON MEDICAL CENTER

Internal Medicine (Gastroenterology)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

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 Brendan O'malley's NPI number?

The NPI number for Brendan O'malley is 1033550819. It was assigned to this individual provider in the NPPES registry on July 9, 2013.

Where is Brendan O'malley located?

Brendan O'malley practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-6980.

What is Brendan O'malley's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Brendan O'malley enrolled in Medicare?

Yes. Brendan O'malley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Brendan O'malley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brendan O'malley reassigns Medicare benefits to 2 organizations: Virginia Mason Medical Center (Seattle, WA) and Boulder Valley Anesthesiology, PLLC (Boulder, CO). Each 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 Brendan O'malley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brendan O'malley accept?

Health plans from Ambetter Health, Blue Cross Blue Shield of Wyoming and Premera Blue Cross Blue Shield of Alaska list Brendan O'malley 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.

Is Brendan O'malley affiliated with any hospitals?

According to CMS data, Brendan O'malley is affiliated with Virginia Mason Medical Center.

When was this NPI record last updated?

The NPPES record for Brendan O'malley was last updated on August 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.