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Edit this profileAt a glance
- 2125 Oak Grove Rd, Suite 200, Walnut Creek, CA 94598
About Dr. Chan
Ronald Chan, M.D. practices diagnostic radiology in Walnut Creek, CA. Ronald is a 1998 graduate of New York University School of Medicine. Medicare claims data shows Ronald provided 6,917 services to 3,301 patients. The services billed most often include injection, gadobutrol, 0.1 ml, x-ray of chest, 1 view, and mri scan of leg joint without contrast. The provider's National Provider Identifier (NPI) is 1154367993.
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
6,917 services · 3,301 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
881 | More often than most peers in Diagnostic Radiology |
| Mri scan of leg joint without contrast | Imaging | 73721 |
333 | More than most peers in Diagnostic Radiology |
| Mri scan of arm joint without contrast | Imaging | 73221 |
299 | More than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
228 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
181 | More often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
151 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
142 | More often than most peers in Diagnostic Radiology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
119 | More often than most peers in Diagnostic Radiology |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
110 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
102 | 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.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other radiologists in Walnut Creek 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at New York University School of Medicine 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 is Ronald Chan's specialty?
Ronald Chan 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 can I find Ronald Chan?
Ronald Chan 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
How do I contact Ronald Chan?
The number on file is (925) 296-7150. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ronald Chan?
Ronald Chan's National Provider Identifier is 1154367993. 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 Ronald Chan's education?
Ronald Chan attended New York University School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ronald Chan have?
Ronald Chan has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Ronald Chan known for?
According to Medicare billing data, Ronald Chan performs imaging including x-ray of chest, 1 view and mri scan of leg joint without contrast; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ronald Chan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ronald Chan. If this is you, claiming it is free.
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