Doctor profile · Federal record

Dr. Dennis Kao, M.D.

Surgery of the Hand (Surgery) Physician (CMS: Plastic and Reconstructive Surgery) · Plastic and Reconstructive Surgery Physician · Seattle, WA

  • NPI 1265503619
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave
Seattle, WA 981042420
(206) 744-5735
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
March 27, 2017
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2086S0105X — NUCC code
State license (1)
Washington #MD60672589
Medicaid
WA #1265503619

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265503619. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
399
Distinct HCPCS
10
Medicare allowed
$43,870
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 55 55 $129
99204 New patient office or other outpatient visit, 45-59 minutes 53 53 $129
99203 New patient office or other outpatient visit, 30-44 minutes 52 52 $80
20550 Injection into tendon or ligament 47 34 $36
99203 New patient office or other outpatient visit, 30-44 minutes 35 35 $79
99212 Established patient office or other outpatient visit, 10-19 minutes 31 26 $34
99213 Established patient office or other outpatient visit, 20-29 minutes 26 22 $64
29848 Release of wrist ligament using an endoscope 23 22 $485
99212 Established patient office or other outpatient visit, 10-19 minutes 19 14 $34
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $64

In context: peer comparison

Among 2 peers in Seattle Surgery of the Hand (Surgery) Physician, average services per provider: 25. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$143
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 2 $125.03
Endo Pharmaceuticals INC. 1 $17.56

By nature of payment

Food and Beverage
$143

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
252
Patients
174
Total drug cost
$1,624
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 89 75 $443
Oxycodone Hcl Generic 72 31 $312
Doxycycline Hyclate Generic 52 50 $691
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 20 18 $67
Gabapentin Generic 19 0 $111

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Kao's medical specialty?
Dr. Dennis Kao practices Surgery of the Hand (Surgery) Physician in Seattle, WA.
Where does Dr. Dennis Kao practice?
Dr. Dennis Kao practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2067445735.
What is Dr. Dennis Kao's NPI?
Dr. Dennis Kao's National Provider Identifier (NPI) is 1265503619, issued by NPPES.
Does Dr. Dennis Kao accept Medicare assignment?
Yes. Dr. Dennis Kao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Kao commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.