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Edit this profileAt a glance
- 701 E El Camino Real, Mountain View, CA 94040
About Dr. Sun
Mark Sun, M.D. is a healthcare provider in Mountain View, CA specializing in diagnostic radiology. Mark trained at University of California, San Diego School of Medicine, graduating in 2012. Medicare claims data shows Mark provided 28,367 services to 2,861 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, injection, gadobutrol, 0.1 ml, and dxa bone density measurement of hip, pelvis, spine. This provider record is associated with NPI 1619236957.
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
- (650) 934-7700
- Email not available
Practice Locations
701 E EL CAMINO REAL
Mountain View, CA 94040
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
28,367 services · 2,861 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
361 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
351 | More often than most peers in Diagnostic Radiology |
| X-ray of knee, 1-2 views | Imaging | 73560 |
239 | More than most peers in Diagnostic Radiology |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
168 | More than most peers in Diagnostic Radiology |
| X-ray of both knees while standing | Imaging | 73565 |
166 | More than most peers in Diagnostic Radiology |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
160 | More than most peers in Diagnostic Radiology |
| X-ray of hip, 1 view | Imaging | 73501 |
138 | More than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
127 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
107 | As often as other peers in Diagnostic Radiology |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
89 | 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 1
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 — 31 related providers in 4 groups
Other radiologists in Mountain View 7
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at University of California, San Diego School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Dxa bone density measurement of hip, pelvis, spine 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Mark Sun specialize in?
Mark Sun is a radiologist in Mountain View, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Mark Sun located?
Mark Sun is listed at 701 E El Camino Real, Mountain View, CA 94040. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark Sun's phone number?
The number on file is (650) 934-7700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark Sun?
Mark Sun's National Provider Identifier is 1619236957. 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 Mark Sun train?
Mark Sun attended University of California, San Diego School of Medicine, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark Sun have?
Mark Sun has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Mark Sun do most often?
According to Medicare billing data, Mark Sun performs imaging including dxa bone density measurement of hip, pelvis, spine and x-ray of chest, 2 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark Sun's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark Sun. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.