Doctor profile · Federal record
Dr. Tina Chang
Internal Medicine Physician (CMS: Hospitalist) · Seattle, WA
- NPI 1912083635
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1100 9Th Ave
Seattle, WA 981012756
(206) 341-0860
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- October 10, 2013
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Washington #MD00036408
- Medicaid (2)
- WA #8246472 · WA #1912083635
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912083635. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
386
Distinct HCPCS
5
Medicare allowed
$45,277
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 185 | 95 | $128 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 57 | $83 | |
99239 |
Hospital discharge day management, more than 30 minutes | 43 | 43 | $124 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 41 | $187 | |
G0316 |
Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th | 21 | 15 | $32 |
In context: peer comparison
Among 174 peers in this city , average services per provider: 77. This provider delivers 5.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Tina Chang's medical specialty?
Dr. Tina Chang practices Internal Medicine Physician in Seattle, WA.
Where does Dr. Tina Chang practice?
Dr. Tina Chang practices at 1100 9Th Ave, Seattle, WA 981012756. Office phone: 2063410860.
What is Dr. Tina Chang's NPI?
Dr. Tina Chang's National Provider Identifier (NPI) is 1912083635, issued by NPPES.
Does Dr. Tina Chang accept Medicare assignment?
Yes. Dr. Tina Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tina Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.