Doctor profile · Federal record
Dr. Warren Chang, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Student in an Organized Health Care Education/Training Program · Pittsburgh, PA
- NPI 1851657209
- Accepts Medicare
- MIPS 92.5 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
320 E North Ave
Pittsburgh, PA 15212
(412) 359-8743
fax (412) 359-8233 - Additional location
-
10833 le Conte Ave
Los Angeles, CA 900953075
(310) 301-6800 - Additional location
-
12311 Perry Hwy
Wexford, PA 150908344
(878) 332-4284
fax (878) 332-4474
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- October 8, 2020
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State licenses (2)
- Pennsylvania #MD463350 · California #A130053
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851657209. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,663
Distinct HCPCS
10
Medicare allowed
$90,938
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
A9585 |
Injection, gadobutrol, 0.1 ml | 833 | 12 | $0 | |
71045 |
X-ray of chest, 1 view | 409 | 331 | $9 | |
70450 |
Ct scan head or brain without contrast | 389 | 372 | $39 | |
70551 |
Mri scan of brain without contrast | 172 | 171 | $69 | |
71046 |
X-ray of chest, 2 views | 136 | 134 | $10 | |
70553 |
Mri scan of brain before and after contrast | 94 | 84 | $107 | |
70498 |
Ct scan of blood vessels of neck with contrast | 74 | 74 | $79 | |
71046 |
X-ray of chest, 2 views | 64 | 64 | $16 | |
70496 |
Ct scan of blood vessels of head with contrast | 58 | 58 | $82 | |
71271 |
Low dose ct scan of chest for lung cancer screening | 45 | 45 | $80 |
In context: peer comparison
Among 100 peers in this city , average services per provider: 83. This provider delivers 32× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Warren Chang's medical specialty?
Dr. Warren Chang practices Diagnostic Radiology Physician in Pittsburgh, PA.
Where does Dr. Warren Chang practice?
Dr. Warren Chang practices at 320 E North Ave, Pittsburgh, PA 15212. Office phone: 4123598743.
What is Dr. Warren Chang's NPI?
Dr. Warren Chang's National Provider Identifier (NPI) is 1851657209, issued by NPPES.
Does Dr. Warren Chang accept Medicare assignment?
Yes. Dr. Warren Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warren Chang commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.