Doctor profile · Federal record
Dr. Tina Chang, MD
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Redwood City, CA
- NPI 1255417770
- Accepts Medicare
- MIPS 63.0 / 100 · 2023
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
170 Alameda de Las Pulgas
Redwood City, CA 940622751
(650) 367-5659
fax (650) 482-6163
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 8, 2021
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A72639
- Medicaid
- CA #00A726390
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255417770. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
311
Distinct HCPCS
5
Medicare allowed
$41,812
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 165 | 81 | $132 | |
99239 |
Hospital discharge day management, more than 30 minutes | 61 | 61 | $129 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 36 | $193 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 36 | 18 | $88 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 13 | 12 | $152 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 64. This provider delivers 4.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Tina Chang's medical specialty?
Dr. Tina Chang practices Hospitalist Physician in Redwood City, CA.
Where does Dr. Tina Chang practice?
Dr. Tina Chang practices at 170 Alameda de Las Pulgas, Redwood City, CA 940622751. Office phone: 6503675659.
What is Dr. Tina Chang's NPI?
Dr. Tina Chang's National Provider Identifier (NPI) is 1255417770, 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); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.