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Edit this profileAt a glance
- 347 N Kuakini St, Honolulu, HI 96817
About Dr. Ko
Stephen Ko, M.D. practices diagnostic radiology in Honolulu, HI. Stephen is a 1991 graduate of University of California, San Diego School of Medicine. According to Medicare claims data, Stephen cared for 4,839 Medicare patients across 5,001 services. The services billed most often include screening mammography, screening 3d breast mammography, and x-ray of chest, 1 view. The provider's National Provider Identifier (NPI) is 1972568236.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (808) 522-0190
- Email not available
Practice Locations
347 N KUAKINI ST
Honolulu, HI 96817
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
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
5,001 services · 4,839 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
1,088 | More often than most peers in Diagnostic Radiology |
| Screening 3d breast mammography | Imaging | 77063 |
926 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
602 | More often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
270 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
224 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
172 | More often than most peers in Diagnostic Radiology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
169 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
144 | As often as other peers in Diagnostic Radiology |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
143 | More often than most peers in Diagnostic Radiology |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
130 | More often than most 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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other radiologists in Honolulu 7
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Screening mammography 8
Providers in HI who bill this service to Medicare most often.
Common questions
What does Stephen Ko specialize in?
Stephen Ko is a radiologist in Honolulu, HI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Stephen Ko located?
Stephen Ko is listed at 347 N Kuakini St, Honolulu, HI 96817. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Stephen Ko's phone number?
The number on file is (808) 522-0190. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Stephen Ko's NPI number?
Stephen Ko's National Provider Identifier is 1972568236. 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 Stephen Ko train?
Stephen Ko attended University of California, San Diego School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Stephen Ko been practicing?
Stephen Ko has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Stephen Ko do most often?
According to Medicare billing data, Stephen Ko performs imaging including screening mammography and screening 3d breast mammography. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Stephen Ko confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Stephen Ko. If this is you, claiming it is free.
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