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VIVIAN MEIWAH CHOI
NPI 1235667692
Anesthesiology in Portland, OR

Active since May 30, 2017PECOS EnrolledAccepts Medicare Assignment
707 SW WASHINGTON ST STE 700, PORTLAND, OR 97205(503) 299-9906(503) 225-9002 Get Directions Write a Review

NPPES record last updated: May 15, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 15, 2024, Jun 8, 2022, May 30, 2017 (3 updates tracked since 2017).

About Vivian Meiwah Choi NPPES

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

VIVIAN MEIWAH CHOI (NPI 1235667692) is an individual anesthesiology provider in Portland, Oregon, licensed in Oregon (MD209305) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1235667692
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameVIVIAN MEIWAH CHOI
Location Address707 SW WASHINGTON ST STE 700Portland, OR 97205-3523
Mailing AddressPo Box 35147, #1801Seattle, WA 98124-5147
Phone(503) 299-9906
Fax(503) 225-9002
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2017
Enumeration DateMay 30, 2017
Last NPPES UpdateMay 15, 20243 updates tracked since enumeration
NPPES CertifiedMay 15, 2024
✔ NPI 1235667692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in OR · MD209305✔ Licensed in IL · 125070599
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.
707 SW WASHINGTON ST STE 700, Portland, OR 97205
Open in Google Maps ↗

Secondary Practice Locations 2

Location 15841 S Maryland Ave # Mc4028Chicago, IL 60637-1447 · Phone (773) 702-6842 · Fax (773) 834-0063
Location 210123 SE Market StPortland, OR 97216-2532 · Phone (503) 257-2500 · Fax (503) 251-6293

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc..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

Vivian Meiwah Choi 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 ID345519153
PECOS Enrollment IDI20220720001922
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

2

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

Oregon Anesthesiology Group PC
Same address
Anesthesiology
707 SW WASHINGTON ST, SUITE 700
Portland, OR 97205
  • Reassigned Medicare billing, Oregon enrollment
  • 271 clinicians in this Medicare group
NPI 1477527786 (503) 299-9906
Portland Adventist Medical Center
5.9 mi
Anesthesiology
10123 SE MARKET ST
Portland, OR 97216
  • Reassigned Medicare billing, Oregon enrollment
  • 331 clinicians in this Medicare group
NPI 1437925310 (503) 251-6136

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 x-ray on artery of brain, heart, or chest 01926
Anesthesia is given before an x-ray of the brain, heart, or chest artery to ensure comfort and stillness. It helps to eliminate discomfort or pain during the procedure. It's administered by a trained professional, ensuring a safe and smooth procedure.
25 services25 patients
Anesthesia for procedure on heart and large blood vessels 00560
Anesthesia for heart and large blood vessel procedures involves using medications to block sensation, ensuring you don't feel pain during surgery. It can be general (you're asleep) or regional (part of your body is numbed). It helps ensure comfort and safety throughout the operation.
22 services22 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
22 services19 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
20 services15 patients
Ultrasound of heart with probe in esophagus, with report 93312
This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.
11 services11 patients
Ultrasound of heart blood flow, valves and chambers 93320
An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Legacy Emanuel Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380007
Location2801 N Gantenbein AvenuePortland, OR 97227 · Multnomah County
Emergency services Birthing friendly

Adventist Health Portland

Acute Care Hospitals · Portland, OR
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380060
Location10123 SE Market StreetPortland, OR 97216 · Multnomah 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.

DR. JUSTIN DAVID RAMOS MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
MICHAEL BERNARD MILLER
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
THOMAS THIEN-AN HOANG MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
WARREN SPITZ MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
ALBARAA HAMID M.D.
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
THOMAS ABBATIELLO
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
DR. JAN-PABLO GEORG LEWIS KOLLMAR MD
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906
SHAUN DISNEY
Anesthesiology
707 SW WASHINGTON ST STE 700
PORTLAND, OR 97205
Multnomah County (503) 299-9906

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 Vivian Choi's NPI number?

The NPI number for Vivian Choi is 1235667692. It was assigned to this individual provider in the NPPES registry on May 30, 2017.

Where is Vivian Choi located?

Vivian Choi practices at 707 SW Washington St Ste 700, Portland, OR 97205. The listed phone number is (503) 299-9906.

What is Vivian Choi's specialty?

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

Is Vivian Choi enrolled in Medicare?

Yes. Vivian Choi 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 Vivian Choi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Choi reassigns Medicare benefits to 2 organizations: Oregon Anesthesiology Group PC (Portland, OR) and Portland Adventist Medical Center (Portland, OR). 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 Vivian Choi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vivian Choi accept?

Health plans from Moda Health Plan, Inc. list Vivian Choi 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 Vivian Choi affiliated with any hospitals?

According to CMS data, Vivian Choi is affiliated with Legacy Emanuel Medical Center and Adventist Health Portland.

When was this NPI record last updated?

The NPPES record for Vivian Choi was last updated on May 15, 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.