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Edit this profileAt a glance
- 7 Aberdeen St, Irvine, CA 92620
About Ralph Marcus
Based in Irvine, CA, Ralph Marcus is listed in the NPI registry under diagnostic radiology. Ralph graduated from University of California, San Francisco School of Medicine in 2009. According to Medicare claims data, Ralph cared for 2,132 Medicare patients across 2,400 services. The services billed most often include x-ray of chest, 1 view, ct scan head or brain without contrast, and ct scan of abdomen and pelvis without contrast. NPI 1346566056 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
- (949) 302-1362
- Email not available
Practice Locations
7 ABERDEEN ST
Irvine, CA 92620
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
2,400 services · 2,132 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Drainage of fluid from abdominal cavity using imaging guidance | Procedure | 49083 |
57 | More often than most peers in Diagnostic Radiology |
| Biopsy and aspiration of bone marrow sample for diagnosis | Procedure | 38222 |
27 | More often than most peers in Diagnostic Radiology |
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
27 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
802 | More often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
332 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
197 | More than most peers in Diagnostic Radiology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
89 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
67 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
66 | Less often than most peers in Diagnostic Radiology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
60 | 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 in Irvine 8
Same specialty, same city.
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Drainage of fluid from abdominal cavity using imaging guidance 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Ralph Marcus's specialty?
Ralph Marcus is a radiologist in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where can I find Ralph Marcus?
Ralph Marcus is listed at 7 Aberdeen St, Irvine, CA 92620. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ralph Marcus?
The number on file is (949) 302-1362. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Ralph Marcus's NPI number?
Ralph Marcus's National Provider Identifier is 1346566056. 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
What is Ralph Marcus's education?
Ralph Marcus attended University of California, San Francisco School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Ralph Marcus been practicing?
Ralph Marcus has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Ralph Marcus known for?
According to Medicare billing data, Ralph Marcus performs procedures including drainage of fluid from abdominal cavity using imaging guidance, biopsy and aspiration of bone marrow sample for diagnosis and aspiration of fluid from chest cavity using imaging guidance; reads or performs imaging such as x-ray of chest, 1 view and ct scan head or brain without contrast; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Ralph Marcus confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ralph Marcus. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.