Physician Profile
Christina Ma, M.D.
Unclaimed ProfileAbout Dr. Ma
Christina Ma, M.D. is a healthcare provider in Santa Ana, CA specializing in diagnostic radiology. Christina trained at University of Southern California Keck School of Medicine, graduating in 2012. According to Medicare claims data, Christina cared for 1,218 Medicare patients across 25,001 services. The services billed most often include injection, gadoterate meglumine, 0.1 ml, low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, and complete ultrasound scan of abdomen.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (310) 267-8797
- Email not available
Practice Locations
1100 N TUSTIN AVE STE E
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
- Water On Baby's Brain
Breast
- Breast lump or mass
- Dense Breast Tissue
Chest & Heart
- Blood Clot in Lung
- Suspicious Lung Spot
General
- Swollen Lymph Nodes
Heart & blood vessels
- Aortic aneurysm
Joint & bone
- Hip labral tear
- Shoulder Labrum Tear
- Stress fracture
- Tennis elbow
- Torn Achilles tendon
- Torn ACL
Liver & digestion
- Acute pancreatitis
- Bowel obstruction
- Crohn's disease
- Fatty liver disease
Lungs & breathing
- Community-acquired pneumonia
Men's health
- Varicocele
Neck & Thyroid
- Thyroid nodule
Nerve pain
- Carpal tunnel
Pelvic health
- Chronic pelvic pain
Spine
- Back pain
- Cervical radiculopathy
- Herniated disc
- Neck pain
- Sciatica
Spine & back
- Scoliosis
- Spinal stenosis
Vascular
- Carotid Artery Blockage
- Deep vein thrombosis
Women's health
- Endometriosis
- Pelvic Congestion Syndrome
Procedures & services
Abdominal imaging
- Abdominal X-Ray
Biopsies
- Image-Guided Needle Biopsy
- Thyroid Nodule Biopsy
Bone Density
- Bone Density Scan Referral
Breast Imaging
- Breast MRI
- Breast Ultrasound
- Mammogram
- Ultrasound-Guided Breast Biopsy
CT Scan
- Abdominal CT Scan
- Chest CT Scan
- Emergency CT scan
- Head CT Scan
- Heart Calcium Scan
- Sinus CT Scan
Digestive & liver
- Liver elastography
- Virtual Colonoscopy
Fluoroscopy
- Barium Swallow
General imaging
- Fluoroscopy
- Soft tissue ultrasound
Heart & blood vessels
- Cardiac magnetic resonance imaging
- CT angiogram
- MR Angiogram
Joint & bone
- Hip X-Ray
- Joint injection with dye
- Knee X-Ray
- Wrist MRI
MRI
- Ankle MRI
- Back MRI
- Brain MRI
- Hip MRI
- Knee MRI
- MRI Scan
- Neck MRI
- Open MRI
- Prostate MRI
- Shoulder MRI
Nuclear Medicine
- PET Scan
Pelvic imaging
- Pelvic CT Scan
- Pelvic MRI
Screening & Prevention
- Full Body Scan
- Low-Dose Lung CT
Spine & back
- Spine CT Scan
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
- Kidney ultrasound
Women's health
- Hysterosalpingogram consultation
X-Ray
- Chest X-Ray
- Emergency X-ray
- Spine X-Ray
Procedures Most Often Billed to Medicare
25,001 services · 1,218 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Complete ultrasound scan of abdomen | Imaging | 76700 |
262 | More than most peers in Diagnostic Radiology |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
75 | More often than most peers in Diagnostic Radiology |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
68 | More often than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
60 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis before and after contrast | Imaging | 74178 |
56 | More often than most peers in Diagnostic Radiology |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
50 | As often as other peers in Diagnostic Radiology |
| Mri scan of abdomen before and after contrast | Imaging | 74183 |
48 | As often as other peers in Diagnostic Radiology |
| Ct scan of heart with evaluation of blood vessel calcium | Imaging | 75571 |
45 | As often as other peers in Diagnostic Radiology |
| Mri scan of pelvis before and after contrast | Imaging | 72197 |
42 | As often as other peers in Diagnostic Radiology |
| Ultrasound scan of abdominal aorta | Imaging | 76706 |
34 | As often as other 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 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 — 27 related providers in 4 groups
Other radiologists in Santa Ana 3
Same specialty, same city.
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at University of Southern California Keck School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Complete ultrasound scan of abdomen 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Christina Ma's specialty?
Christina Ma 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 Christina Ma?
Christina Ma is listed at 1100 N Tustin Ave Ste E, 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 Christina Ma?
The number on file is (310) 267-8797. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Christina Ma's NPI number?
Christina Ma's National Provider Identifier is 1891052742. 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 Christina Ma's education?
Christina Ma attended University of Southern California Keck School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Christina Ma been practicing?
Christina Ma has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Christina Ma known for?
According to Medicare billing data, Christina Ma performs imaging including complete ultrasound scan of abdomen and complete ultrasound scan behind abdominal cavity; provides treatments such as ultrasound of both sides of head and neck blood flow and ultrasound of leg arteries or artery grafts. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Christina Ma confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Christina Ma. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.