Doctor profile · Federal record
Dr. G. Michael Chun, M.D.
Specialist (CMS: Diagnostic Radiology) · Irvine, CA
- NPI 1578590899
- Accepts Medicare
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
16200 Sand Canyon Ave, Irh Department of Radiology
Irvine, CA 926183714
(949) 753-2365
fax (949) 753-2368
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- September 15, 2008
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- California #A50023
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578590899. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
369
Distinct HCPCS
10
Medicare allowed
$53,119
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77080 |
Dxa bone density measurement of hip, pelvis, spine | 89 | 89 | $44 | |
10005 |
Fine needle aspiration biopsy using ultrasound guidance, first growth | 51 | 49 | $122 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 46 | 46 | $122 | |
77067 |
Screening mammography | 40 | 40 | $147 | |
76536 |
Ultrasound scan of head and neck soft tissue | 38 | 36 | $129 | |
76641 |
Complete ultrasound scan of 1 breast | 30 | 30 | $147 | |
77065 |
Diagnostic mammography of 1 breast | 23 | 22 | $144 | |
19081 |
Biopsy of breast and placement of locating device using x-ray with needle, first growth | 19 | 19 | $366 | |
77066 |
Diagnostic mammography of both breasts | 18 | 18 | $182 | |
19083 |
Biopsy of breast and placement of locating device using ultrasound, first growth | 15 | 15 | $581 |
In context: peer comparison
Among 2 peers in Irvine Specialist, average services per provider: 215. This provider delivers 1.7× the peer median.Frequently asked questions
What is Dr. G. Michael Chun's medical specialty?
Dr. G. Michael Chun practices Specialist in Irvine, CA.
Where does Dr. G. Michael Chun practice?
Dr. G. Michael Chun practices at 16200 Sand Canyon Ave, Irvine, CA 926183714. Office phone: 9497532365.
What is Dr. G. Michael Chun's NPI?
Dr. G. Michael Chun's National Provider Identifier (NPI) is 1578590899, issued by NPPES.
Does Dr. G. Michael Chun accept Medicare assignment?
Yes. Dr. G. Michael Chun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. G. Michael Chun commonly perform?
Top Medicare-reported procedures in 2023: Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); Fine needle aspiration biopsy using ultrasound guidance, first growth (HCPCS 10005); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.