Doctor profile · Federal record
Dr. Brian Tzung, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Mission Viejo, CA
- NPI 1437313582
- Accepts Medicare
- MIPS 74.1 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
27700 Medical Center RD
Mission Viejo, CA 926916426
(949) 364-7744 - Mailing address
-
Dept la 21789
Pasadena, CA 911851789
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- May 8, 2014
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #A95890
- Medicaid
- CA #1437313582
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437313582. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,514
Distinct HCPCS
10
Medicare allowed
$208,747
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 965 | 832 | $9 | |
70450 |
Ct scan head or brain without contrast | 435 | 412 | $42 | |
71250 |
Ct scan of chest without contrast | 250 | 239 | $54 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 240 | 233 | $88 | |
72125 |
Ct scan of upper spine without contrast | 158 | 157 | $50 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 158 | 151 | $92 | |
71275 |
Ct scan of blood vessels of chest with contrast | 124 | 123 | $91 | |
70551 |
Mri scan of brain without contrast | 109 | 108 | $75 | |
71260 |
Ct scan of chest with contrast | 104 | 99 | $57 | |
70553 |
Mri scan of brain before and after contrast | 93 | 86 | $117 |
In context: peer comparison
Among 3 peers in Mission Viejo Diagnostic Radiology Physician, average services per provider: 83. This provider delivers 54× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Brian Tzung's medical specialty?
Dr. Brian Tzung practices Diagnostic Radiology Physician in Mission Viejo, CA.
Where does Dr. Brian Tzung practice?
Dr. Brian Tzung practices at 27700 Medical Center RD, Mission Viejo, CA 926916426. Office phone: 9493647744.
What is Dr. Brian Tzung's NPI?
Dr. Brian Tzung's National Provider Identifier (NPI) is 1437313582, issued by NPPES.
Does Dr. Brian Tzung accept Medicare assignment?
Yes. Dr. Brian Tzung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Tzung commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Ct scan of chest without contrast (HCPCS 71250). Source: CMS Medicare Physician & Other Practitioners file.