CATHY DUONG PA-C
NPI 1548032311
Physician Assistant in Seattle, WA

Active since October 25, 2023PECOS EnrolledAccepts Medicare Assignment
1221 MADISON ST STE 1020, SEATTLE, WA 98104(206) 215-2658(206) 991-2363 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Cathy Duong Pa-c NPPES

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

CATHY DUONG PA-C (NPI 1548032311) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA61655802) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, is affiliated with Swedish Medical Center, and is a graduate of Duke University School Of Medicine (2023).

NPPES Registry Identity

NPI1548032311
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameCATHY DUONGCredential: PA-C
Location Address1221 MADISON ST STE 1020Seattle, WA 98104-1380
Mailing AddressPo Box 25608Salt Lake City, UT 84125-0608 · (206) 320-4476
Fax(206) 991-2363
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 2023
Enumeration DateOctober 25, 2023
Last NPPES UpdateFebruary 23, 2026
NPPES CertifiedFebruary 23, 2026
NPI 1548032311 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in WA · PA61655802
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1221 MADISON ST STE 1020, Seattle, WA 98104

Other Identifiers 1

Medicaid2339271WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Cathy Duong Pa-c 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 ID9436592425
PECOS Enrollment IDI20250728002816
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.

Areas of Expertise CMS Part B claims

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
27 services19 patients

Hospital Affiliations CMS Care Compare

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

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

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

Physician Assistant
1221 MADISON ST STE 1020
SEATTLE, WA 98104
Physician Assistant
1221 MADISON ST STE 1020
SEATTLE, WA 98104
Internal Medicine (Medical Oncology)
1221 MADISON ST STE 1020
SEATTLE, WA 98104
Internal Medicine (Hematology & Oncology)
1221 MADISON ST STE 1020
SEATTLE, WA 98104
Internal Medicine (Hematology & Oncology)
1221 MADISON ST STE 1020
SEATTLE, WA 98104
Nurse Practitioner
1221 MADISON ST STE 1020
SEATTLE, WA 98104
Nurse Practitioner
1221 MADISON ST STE 1020
SEATTLE, WA 98104
Nurse Practitioner
1221 MADISON ST STE 1020
SEATTLE, WA 98104

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 Cathy Duong's NPI number?

The NPI number for Cathy Duong is 1548032311. It was assigned to this individual provider in the NPPES registry on October 25, 2023.

Where is Cathy Duong located?

Cathy Duong practices at 1221 Madison St Ste 1020, Seattle, WA 98104. The listed phone number is (206) 215-2658.

What is Cathy Duong's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Cathy Duong enrolled in Medicare?

Yes. Cathy Duong 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.

What insurance does Cathy Duong accept?

Health plans from BridgeSpan Health Company, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Cathy Duong 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 Cathy Duong affiliated with any hospitals?

According to CMS data, Cathy Duong is affiliated with Swedish Medical Center.

When was this NPI record last updated?

The NPPES record for Cathy Duong was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.