PHANTHABOON J PHANNAVONG PA-C
NPI 1831850791
Physician Assistant in Seattle, WA

Q: What is Phanthaboon Phannavong's NPI number?

The NPI number for Phanthaboon Phannavong is 1831850791. It was assigned to this individual provider in the NPPES registry on January 4, 2022.

Q: What is Phanthaboon Phannavong's specialty?

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

Active since January 04, 2022PECOS EnrolledAccepts Medicare Assignment

825 EASTLAKE AVE E, SEATTLE, WA 98109(206) 520-5000 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 24, 2022, Oct 25, 2022, Jan 4, 2022 (3 updates tracked since 2022).

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About Phanthaboon J Phannavong Pa-c NPPES

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

PHANTHABOON J PHANNAVONG PA-C (NPI 1831850791) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA61358368) and active in the NPI registry since January 2022. He is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and is a graduate of Eastern Virginia Medical School (2022).

NPPES Registry Identity

NPI1831850791

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NamePHANTHABOON J PHANNAVONGCredential: PA-C

Location Address825 EASTLAKE AVE ESeattle, WA 98109-4405

Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700

Phone(206) 520-5000

Sole ProprietorNo

Medical School CMSEastern Virginia Medical SchoolGraduated 2022

Enumeration DateJanuary 4, 2022

Last NPPES UpdateFebruary 10, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 10, 2026

✔ NPI 1831850791 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 · PA61358368

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.

825 EASTLAKE AVE E, Seattle, WA 98109

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Accepted Insurance

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

Phanthaboon J Phannavong 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 ID5698142594

PECOS Enrollment IDI20221107001245

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 3

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 low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

62 services55 patients

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.

47 services44 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

21 services16 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98109 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 20

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

SANDHYA RAMANATHAN PANCH M.D.

Internal Medicine (Hematology)