Physician Profile
Hyojoon P. Hahn, MD
Unclaimed ProfileAbout Dr. Hahn
Hyojoon P. Hahn, MD practices diagnostic radiology in Los Angeles, CA. Hyojoon is a 1981 graduate of Medical University of South Carolina College of Medicine. Medicare claims data shows Hyojoon provided 2,423 services to 2,343 patients. The services billed most often include ct scan head or brain without contrast, ct scan of blood vessels of neck with contrast, and ct scan of blood vessels of head with contrast.
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
- (310) 914-7336
- Email not available
Practice Locations
11620 WILSHIRE BLVD STE. 100
Los Angeles, CA 90025
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
- Uterine fibroids
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
2,423 services · 2,343 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
1,203 | More than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
317 | More than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
308 | More than most peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
227 | More than most peers in Diagnostic Radiology |
| Mri scan of brain without contrast | Imaging | 70551 |
178 | More often than most peers in Diagnostic Radiology |
| Ct scan of face without contrast | Imaging | 70486 |
77 | More than most peers in Diagnostic Radiology |
| Ct scan of cranial cavity without contrast | Imaging | 70480 |
45 | More often than most peers in Diagnostic Radiology |
| Mri scan of brain before and after contrast | Imaging | 70553 |
40 | Less often than most peers in Diagnostic Radiology |
| Ct scan of soft tissue of neck with contrast | Imaging | 70491 |
28 | As often as other peers in Diagnostic Radiology |
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 radiologists at this location 3
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 radiologists in Los Angeles 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Medical University of South Carolina College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Medical University of South Carolina College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan head or brain without contrast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hahn?
Dr. Hahn is a radiologist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is Dr. Hahn's address?
Dr. Hahn is listed at 11620 Wilshire Blvd Ste. 100, Los Angeles, CA 90025. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Hahn?
The number on file is (310) 914-7336. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Hahn?
Dr. Hahn's National Provider Identifier is 1407880073. 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. Hahn train?
Dr. Hahn attended Medical University of South Carolina College of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hahn have?
Dr. Hahn has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hahn perform?
According to Medicare billing data, Dr. Hahn performs imaging including ct scan head or brain without contrast and ct scan of blood vessels of neck with contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hahn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hahn. 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.