Doctor profile · Federal record

Dr. Phanthaboon Phannavong, PA-C

Physician Assistant · Seattle, WA

  • NPI 1831850791
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
825 Eastlake Ave E
Seattle, WA 981094405
(206) 520-5000
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
January 2022 — 4 yrs on file
Profile last updated
February 10, 2026
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Washington #PA61358368

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831850791. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
139
Distinct HCPCS
2
Medicare allowed
$12,682
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 82 80 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 57 57 $74

In context: peer comparison

Among 177 peers in Seattle Physician Assistant, average services per provider: 71. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
32
Total drug cost
$330
Drug Type Claims Patients Total cost
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 32 32 $330

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Phanthaboon Phannavong's medical specialty?
Dr. Phanthaboon Phannavong practices Physician Assistant in Seattle, WA.
Where does Dr. Phanthaboon Phannavong practice?
Dr. Phanthaboon Phannavong practices at 825 Eastlake Ave E, Seattle, WA 981094405. Office phone: 2065205000.
What is Dr. Phanthaboon Phannavong's NPI?
Dr. Phanthaboon Phannavong's National Provider Identifier (NPI) is 1831850791, issued by NPPES.
Does Dr. Phanthaboon Phannavong accept Medicare assignment?
Yes. Dr. Phanthaboon Phannavong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Phanthaboon Phannavong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.