Doctor profile · Federal record

Dr. Michael Chang, DDS

General Practice Dentistry · Happy Valley, OR

  • NPI 1386665834
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
11125 Se Troika Ave
Happy Valley, OR 970867084
(506) 914-7204
Additional location
822 Ne 181St Ave
Portland, OR 972305792
(503) 661-5210
fax (503) 669-3989

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 10, 2024
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Oregon #D8405

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386665834. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$105
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Align Technology, Inc. 1 $104.88

By nature of payment

Food and Beverage
$105

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
170
Patients
93
Total drug cost
$4,435
Drug Type Claims Patients Total cost
Fluoridex (Fluoride (Sodium)) Brand 135 65 $3,676
Dentagel (Fluoride (Sodium)) Brand 35 28 $759

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Chang's medical specialty?
Dr. Michael Chang practices General Practice Dentistry in Happy Valley, OR.
Where does Dr. Michael Chang practice?
Dr. Michael Chang practices at 11125 Se Troika Ave, Happy Valley, OR 970867084. Office phone: 5069147204.
What is Dr. Michael Chang's NPI?
Dr. Michael Chang's National Provider Identifier (NPI) is 1386665834, issued by NPPES.