Doctor profile · Federal record
Dr. ERIC CHANG, MD
Infectious Disease Physician (CMS: INFECTIOUS DISEASE) · Internal Medicine Physician · PORTLAND, OR
- NPI 1720290190
- Accepts Medicare
- MIPS 83.2 / 100 · 2023
- 24 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2801 N GANTENBEIN AVE, RM 4117
PORTLAND, OR 972271623
(503) 413-6807
fax (503) 413-2144
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- August 6, 2008
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- Oregon #MD26818
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720290190. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
329
Distinct HCPCS
6
Medicare allowed
$32,944
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 176 | 79 | $80 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 50 | 50 | $176 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 50 | 27 | $121 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 23 | 19 | $50 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 16 | $127 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 11 | $67 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 42. This provider delivers 7.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
294
Patients
0
Total drug cost
$185,038
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 79 | 0 | $2,359 |
| Cefazolin Sodium | Generic | 57 | 0 | $2,662 |
| Triumeq (Abacavir/Dolutegravir/Lamivudi) | Brand | 30 | 0 | $106,391 |
| Cephalexin | Generic | 23 | 0 | $463 |
| Amoxicillin | Generic | 20 | 0 | $179 |
| Vancomycin Hcl | Generic | 20 | 0 | $2,509 |
| Maraviroc | Generic | 15 | 0 | $16,424 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 14 | 0 | $53,586 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 13 | 0 | $106 |
| Doxycycline Hyclate | Generic | 12 | 0 | $204 |