Doctor profile · Federal record

Dr. Wei-Chun Chang, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Student in an Organized Health Care Education/Training Program · Everett, WA

  • NPI 1104112432
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1321 Colby Ave
Everett, WA 982011665
(425) 261-2000
Additional location
3901 Hoyt Ave
Everett, WA 982014918
(425) 259-0966
Mailing address
Po Box 3360
Portland, OR 972083360

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
March 29, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Washington #MD60449962

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104112432. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
262
Distinct HCPCS
5
Medicare allowed
$25,419
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 138 67 $78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 71 32 $117
99238 Hospital discharge day management, 30 minutes or less 19 19 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 17 $171
99239 Hospital discharge day management, more than 30 minutes 17 17 $113

In context: peer comparison

Among 41 peers in this city , average services per provider: 62. This provider delivers 4.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wei-Chun Chang's medical specialty?
Dr. Wei-Chun Chang practices Internal Medicine Physician in Everett, WA.
Where does Dr. Wei-Chun Chang practice?
Dr. Wei-Chun Chang practices at 1321 Colby Ave, Everett, WA 982011665. Office phone: 4252612000.
What is Dr. Wei-Chun Chang's NPI?
Dr. Wei-Chun Chang's National Provider Identifier (NPI) is 1104112432, issued by NPPES.
Does Dr. Wei-Chun Chang accept Medicare assignment?
Yes. Dr. Wei-Chun Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wei-Chun Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.