Are you Mark K. Tu, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 2125 Oak Grove Rd, Suite 200, Walnut Creek, CA 94598
About Dr. Tu
Mark K. Tu, M.D. practices diagnostic radiology in Walnut Creek, CA. Mark is a 1994 graduate of University of Texas Medical Branch at Galveston. According to Medicare claims data, Mark cared for 5,564 Medicare patients across 5,659 services. The services billed most often include x-ray of chest, 1 view, ct scan head or brain without contrast, and screening mammography. The provider's National Provider Identifier (NPI) is 1144262452.
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
- (925) 296-7150
- Email not available
Practice Locations
2125 OAK GROVE RD SUITE 200
Walnut Creek, CA 94598
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
5,659 services · 5,564 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
924 | More often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
789 | More than most peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
499 | More often than most peers in Diagnostic Radiology |
| Screening 3d breast mammography | Imaging | 77063 |
499 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
252 | More often than most peers in Diagnostic Radiology |
| Limited ultrasound scan of 1 breast | Imaging | 76642 |
212 | More than most peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
200 | More than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
170 | More often than most peers in Diagnostic Radiology |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
169 | More often than most peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
164 | 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 8
Same specialty, same street address — most likely the same department or group.
Other radiologists in Walnut Creek 4
Same specialty, same city.
Trained at University of Texas Medical Branch at Galveston 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1994 at University of Texas Medical Branch at Galveston 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Mark K. Tu specialize in?
Mark K. Tu is a radiologist in Walnut Creek, 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 K. Tu located?
Mark K. Tu is listed at 2125 Oak Grove Rd Suite 200, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark K. Tu's phone number?
The number on file is (925) 296-7150. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark K. Tu's NPI number?
Mark K. Tu's National Provider Identifier is 1144262452. 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 K. Tu train?
Mark K. Tu attended University of Texas Medical Branch at Galveston, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark K. Tu been practicing?
Mark K. Tu has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Mark K. Tu do most often?
According to Medicare billing data, Mark K. Tu performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers and ultrasound study of arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark K. Tu confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark K. Tu. If this is you, claiming it is free.
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