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Edit this profileAt a glance
- 321 N Kuakini St, Room 405, Honolulu, HI 96817
About Dr. Dunn
Gregory Y. Dunn, M.D. is a healthcare provider in Honolulu, HI specializing in diagnostic radiology. Gregory trained at University of California, Geffen School of Medicine, graduating in 2002. Gregory is also listed as specializing in internal medicine. According to Medicare claims data, Gregory cared for 5,606 Medicare patients across 5,783 services. The services billed most often include screening mammography, screening 3d breast mammography, and x-ray of chest, 1 view. This provider record is associated with NPI 1700901212.
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
321 N KUAKINI ST ROOM 405
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
5,783 services · 5,606 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
1,774 | More than most peers in Diagnostic Radiology |
| Screening 3d breast mammography | Imaging | 77063 |
1,510 | More than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
480 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
233 | More often than most peers in Diagnostic Radiology |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
171 | More often than most peers in Diagnostic Radiology |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
166 | More often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
165 | As often as other peers in Diagnostic Radiology |
| Diagnostic mammography of both breasts | Imaging | 77066 |
127 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
125 | As often as other peers in Diagnostic Radiology |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
109 | 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.
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 Honolulu 8
Same specialty, same city.
Trained at University of California, Geffen 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 2002 at University of California, Geffen 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 kind of doctor is Gregory Y. Dunn?
Gregory Y. Dunn 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
What is Gregory Y. Dunn's address?
Gregory Y. Dunn is listed at 321 N Kuakini St Room 405, Honolulu, HI 96817. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gregory Y. Dunn?
The number on file is (808) 522-0190. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory Y. Dunn's NPI number?
Gregory Y. Dunn's National Provider Identifier is 1700901212. 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 Gregory Y. Dunn train?
Gregory Y. Dunn attended University of California, Geffen School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory Y. Dunn been practicing?
Gregory Y. Dunn has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gregory Y. Dunn perform?
According to Medicare billing data, Gregory Y. Dunn 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 Gregory Y. Dunn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory Y. Dunn. If this is you, claiming it is free.
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