Physician Profile
Unclaimed ProfileAbout CHALIAN
Based in Orange, CA, Hamid Chalian, M.D. is listed in the NPI registry under diagnostic radiology. According to Medicare claims data, Hamid cared for 2,055 Medicare patients across 2,284 services.
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
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 456-8888
- Email not available
Practice Locations
101 THE CITY DR S
Orange, CA 92868
Procedures Most Often Billed to Medicare
2,284 services · 2,055 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct scan of chest with contrast | Imaging | 71260 |
575 |
| X-ray of chest, 1 view | Imaging | 71045 |
472 |
| Ct scan of chest without contrast | Imaging | 71250 |
269 |
| Ct scan of chest with contrast | Imaging | 71260 |
217 |
| Ct scan of chest without contrast | Imaging | 71250 |
184 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
156 |
| X-ray of chest, 2 views | Imaging | 71046 |
119 |
| X-ray of chest, 2 views | Imaging | 71046 |
71 |
| Ct scan of heart structure with contrast | Imaging | 75572 |
52 |
| Ct scan of blood vessels of abdomen and pelvis with contrast | Imaging | 74174 |
47 |
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.
Other diagnostic radiology specialists at this location 6
Same specialty, same street address — most likely the same department or group.
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 diagnostic radiology specialists in Orange 3
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan of chest with contrast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Chalian specialize in?
Dr. Chalian is a diagnostic radiology in Orange, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Chalian located?
Dr. Chalian is listed at 101 THE CITY DR S, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chalian's phone number?
The number on file is (714) 456-8888. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chalian's NPI number?
Dr. Chalian's National Provider Identifier is 1669736500. 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 Dr. Chalian go to medical school?
Dr. Chalian attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chalian been practicing?
Dr. Chalian has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chalian do most often?
According to Medicare billing data, Dr. Chalian performs imaging including ct scan of chest with contrast and x-ray of chest, 1 view. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chalian confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chalian. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.