Physician Profile
Ching-Long C. Ni, MD is a healthcare provider in Fontana, CA specializing in radiology. Ching-Long trained at Stanford University School of Medicine, graduating in 1992. Medicare claims data shows Ching-Long provided 1,194 services to 1,080 patients. The services billed most often include screening mammography, x-ray of chest, 2 views, and x-ray of knee, 3 views.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
9961 SIERRA AVE
Fontana, CA 92335
Within Radiology (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Abdomen & Pelvis
Bone Health
Brain & Spine
Breast
Cancer & Tumors
Chest & Lungs
Digestive
Foot & Ankle
General
Head & Brain
Head & Face
Injuries
Joint & Muscle
Joints & Orthopedics
Neck & Thyroid
Nerves & Neuropathy
Pelvic & Reproductive
Spine & Back
Vascular
Biopsies
Biopsy
Bone Health
Breast Imaging
CT Scan
Diagnostic Scans
Interventional Radiology
MRI
Nuclear Medicine
Pain Relief Procedures
Specialized Imaging
Ultrasound
X-Ray
X-Rays
1,194 services · 1,080 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
173 | As often as other peers in Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
168 | More often than most peers in Radiology |
| X-ray of knee, 3 views | Imaging | 73562 |
126 | More often than most peers in Radiology |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
111 | More than most peers in Radiology |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
74 | More often than most peers in Radiology |
| X-ray of ankle, minimum of 3 views | Imaging | 73610 |
54 | More often than most peers in Radiology |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
52 | More often than most peers in Radiology |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
50 | More often than most peers in Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
42 | As often as other peers in Radiology |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
30 | As often as other peers in Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Ni is a radiologist in Fontana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiology”.
NPI registry
Dr. Ni is listed at 9961 Sierra Ave, Fontana, CA 92335. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 427-3910. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ni's National Provider Identifier is 1518038595. 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
Dr. Ni attended Stanford University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ni has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ni performs imaging including screening mammography and x-ray of chest, 2 views. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ni. 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.