Doctor profile · Federal record

Dr. Allen Chen, MD

Diagnostic Radiology Physician (CMS: Interventional Radiology) · Diagnostic Radiology Physician · Vascular & Interventional Radiology Physician · Seattle, WA

  • NPI 1437341096
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1100 9Th Ave
Seattle, WA 981012756
(206) 223-6851
fax (206) 344-7959
Additional location
1600 Windermere Dr E
Seattle, WA 981123738
(773) 805-3335
Additional location
834 Sheridan St
Port Townsend, WA 983682443
(360) 385-2200

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
July 24, 2025
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (3)
Washington #MD00047963 · Tennessee #71632 · Illinois #036113880
Medicaid (2)
TN #Q096120 · WA #1437341096

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437341096. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,352
Distinct HCPCS
10
Medicare allowed
$84,829
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 7,450 72 $0
74177 Ct scan of abdomen and pelvis with contrast 200 189 $94
71260 Ct scan of chest with contrast 133 126 $58
82565 Blood creatinine level 64 63 $5
74176 Ct scan of abdomen and pelvis without contrast 56 56 $90
76942 Ultrasonic guidance for needle placement 52 52 $31
71275 Ct scan of blood vessels of chest with contrast 46 45 $93
71250 Ct scan of chest without contrast 36 36 $55
74177 Ct scan of abdomen and pelvis with contrast 30 29 $378
74178 Ct scan of abdomen and pelvis before and after contrast 30 29 $103

In context: peer comparison

Among 79 peers in this city , average services per provider: 113. This provider delivers 74× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,185
Transactions
13
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Inari Medical, Inc. 8 $679.03
MOTIVA USA, LLC 1 $147.90
REVANCE THERAPEUTICS, INC. 1 $141.76
Boston Scientific Corporation 1 $102.36
Terumo Medical Corporation 1 $93.03
CARDIVA MEDICAL, INC. 1 $20.86

By nature of payment

Food and Beverage
$1,185

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allen Chen's medical specialty?
Dr. Allen Chen practices Diagnostic Radiology Physician in Seattle, WA.
Where does Dr. Allen Chen practice?
Dr. Allen Chen practices at 1100 9Th Ave, Seattle, WA 981012756. Office phone: 2062236851.
What is Dr. Allen Chen's NPI?
Dr. Allen Chen's National Provider Identifier (NPI) is 1437341096, issued by NPPES.
Does Dr. Allen Chen accept Medicare assignment?
Yes. Dr. Allen Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allen Chen commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Ct scan of abdomen and pelvis with contrast (HCPCS 74177); Ct scan of chest with contrast (HCPCS 71260). Source: CMS Medicare Physician & Other Practitioners file.