Physician Profile
G. Michael G. Chun, M.D.
Unclaimed ProfileAbout Dr. Chun
Listed in the NPI registry as a specialist, G. Michael G. Chun, M.D. practices in Irvine, CA. G. Michael graduated from Tulane University School of Medicine in 1989. Medicare claims data shows G. Michael provided 394 services to 391 patients. The services billed most often include dxa bone density measurement of hip, pelvis, spine, screening mammography, and fine needle aspiration biopsy using ultrasound guidance, first growth.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (949) 753-2365
- Email not available
Practice Locations
16200 SAND CANYON AVE IRH DEPARTMENT OF RADIOLOGY
Irvine, CA 92618
Procedures Most Often Billed to Medicare
394 services · 391 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
49 | More often than most peers in Specialist |
| Biopsy of breast and placement of locating device using x-ray with needle, first growth | Procedure | 19081 |
20 | |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
109 | As often as other peers in Specialist |
| Screening mammography | Imaging | 77067 |
57 | |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
30 | |
| Ultrasound scan of organ tissue for measuring elasticity | Imaging | 76981 |
28 | As often as other peers in Specialist |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
25 | |
| Complete ultrasound scan of 1 breast | Imaging | 76641 |
17 | |
| Screening 3d breast mammography | Imaging | 77063 |
14 | |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
45 | As often as other peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Irvine 8
Same specialty, same city.
Trained at Tulane University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1989 at Tulane University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Fine needle aspiration biopsy using ultrasound guidance, first growth 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does G. Michael G. Chun specialize in?
G. Michael G. Chun is a specialist in Irvine, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is G. Michael G. Chun located?
G. Michael G. Chun is listed at 16200 Sand Canyon Ave Irh Department of Radiology, Irvine, CA 92618. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is G. Michael G. Chun's phone number?
The number on file is (949) 753-2365. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for G. Michael G. Chun?
G. Michael G. Chun's National Provider Identifier is 1578590899. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did G. Michael G. Chun train?
G. Michael G. Chun attended Tulane University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does G. Michael G. Chun have?
G. Michael G. Chun has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does G. Michael G. Chun do most often?
According to Medicare billing data, G. Michael G. Chun performs procedures including fine needle aspiration biopsy using ultrasound guidance, first growth and biopsy of breast and placement of locating device using x-ray with needle, first growth; reads or performs imaging such as dxa bone density measurement of hip, pelvis, spine and screening mammography, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is G. Michael G. Chun's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by G. Michael G. Chun. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.