Physician Profile
Mariko Fitzgibbons, M.D.
Unclaimed ProfileAbout Dr. Fitzgibbons
Based in Duarte, CA, Mariko Fitzgibbons, M.D. is listed in the NPI registry under diagnostic radiology. Mariko graduated from Northwestern University Feinberg Medical School in 2010. Medicare claims data shows Mariko provided 1,817 services to 1,670 patients. The services billed most often include mri scan of brain before and after contrast, ct scan of chest with contrast, and ct scan of soft tissue of neck with contrast. NPI 1396050365 identifies this record in the national registry.
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
- (626) 256-4673
- Email not available
Practice Locations
1500 DUARTE RD
Duarte, CA 91010
757 Westwood Plz
Los Angeles, CA 90095
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
1,817 services · 1,670 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance | Procedure | 62328 |
14 | Less often than most peers in Diagnostic Radiology |
| Mri scan of brain before and after contrast | Imaging | 70553 |
423 | More than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
267 | More than most peers in Diagnostic Radiology |
| Ct scan of soft tissue of neck with contrast | Imaging | 70491 |
225 | More than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
117 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
110 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis before and after contrast | Imaging | 74178 |
78 | More often than most peers in Diagnostic Radiology |
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
72 | As often as other peers in Diagnostic Radiology |
| Mri scan of lower spinal canal before and after contrast | Imaging | 72158 |
63 | More often than most peers in Diagnostic Radiology |
| Mri scan of middle spinal canal before and after contrast | Imaging | 72157 |
45 | 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 29 related providers in 4 groups
Other radiologists in Duarte 6
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance 7
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Mariko Fitzgibbons?
Mariko Fitzgibbons is a radiologist in Duarte, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is Mariko Fitzgibbons's address?
Mariko Fitzgibbons is listed at 1500 Duarte Rd, Duarte, CA 91010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mariko Fitzgibbons?
The number on file is (626) 256-4673. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mariko Fitzgibbons?
Mariko Fitzgibbons's National Provider Identifier is 1396050365. 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 Mariko Fitzgibbons train?
Mariko Fitzgibbons attended Northwestern University Feinberg Medical School, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mariko Fitzgibbons have?
Mariko Fitzgibbons has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mariko Fitzgibbons perform?
According to Medicare billing data, Mariko Fitzgibbons performs procedures including removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance; reads or performs imaging such as mri scan of brain before and after contrast and ct scan of chest with contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mariko Fitzgibbons's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mariko Fitzgibbons. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.