Are you Mark G. Stein, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1100 N Tustin Ave, Bldg. A, Santa Ana, CA 92705
About Dr. Stein
Based in Santa Ana, CA, Mark G. Stein, M.D. is listed in the NPI registry under diagnostic radiology. Mark is also listed as specializing in radiology and diagnostic ultrasound. According to Medicare claims data, Mark cared for 638 Medicare patients across 5,847 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, ct scan of chest without contrast, and fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries. NPI 1265478564 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
- (714) 835-6055
- Email not available
Practice Locations
1100 N TUSTIN AVE BLDG. A
Santa Ana, CA 92705
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
5,847 services · 638 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan of chest without contrast | Imaging | 71250 |
138 | More often than most peers in Diagnostic Radiology |
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
71 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
60 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
49 | Less often than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
44 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
43 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
32 | Less often than most peers in Diagnostic Radiology |
| Ct scan of heart with evaluation of blood vessel calcium | Imaging | 75571 |
27 | Less often than most peers in Diagnostic Radiology |
| Mri scan of leg joint without contrast | Imaging | 73721 |
19 | Less often than most peers in Diagnostic Radiology |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
18 | Less 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 8
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 — 28 related providers in 4 groups
Other radiologists in Santa Ana 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1978 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan of chest without contrast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Mark G. Stein's specialty?
Mark G. Stein is a radiologist in Santa Ana, 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 Mark G. Stein?
Mark G. Stein is listed at 1100 N Tustin Ave Bldg. A, Santa Ana, CA 92705. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark G. Stein?
The number on file is (714) 835-6055. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark G. Stein's NPI number?
Mark G. Stein's National Provider Identifier is 1265478564. 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 Mark G. Stein's education?
Mark G. Stein attended Other, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark G. Stein been practicing?
Mark G. Stein has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What is Mark G. Stein known for?
According to Medicare billing data, Mark G. Stein performs imaging including ct scan of chest without contrast and nuclear medicine study from skull base to mid-thigh with ct scan. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark G. Stein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark G. Stein. If this is you, claiming it is free.
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