Physician Profile
Based in San Ramon, CA, Ravi Alagappan, MD is listed in the NPI registry under diagnostic radiology. Ravi graduated from Emory University School of Medicine in 1990. Medicare claims data shows Ravi provided 2,839 services to 1,381 patients. The services billed most often include injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml, mri scan of lower spinal canal without contrast, and x-ray of chest, 1 view.
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.
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.
2242 CAMINO RAMON STE 100
San Ramon, CA 94583
3976 Canyon Rd
Lafayette, CA 94549
2365 Quimby Rd Ste 100
San Jose, CA 95122
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.
Abdomen & Pelvis
Bone & Joint
Brain & Head
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
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
Urinary & kidney
Women's health
X-Ray
2,839 services · 1,381 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
110 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
108 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
104 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
93 | More often than most peers in Diagnostic Radiology |
| Mri scan of brain without contrast | Imaging | 70551 |
93 | More often than most peers in Diagnostic Radiology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
73 | Less often than most peers in Diagnostic Radiology |
| Mri scan of leg joint without contrast | Imaging | 73721 |
72 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
70 | More often than most peers in Diagnostic Radiology |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
65 | More often than most peers in Diagnostic Radiology |
| Mri scan of upper spinal canal without contrast | Imaging | 72141 |
56 | 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.
Dr. Alagappan is a radiologist in San Ramon, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Dr. Alagappan is listed at 2242 Camino Ramon Ste 100, San Ramon, CA 94583. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (925) 327-0015. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Alagappan's National Provider Identifier is 1063467355. 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. Alagappan attended Emory University School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Dr. Alagappan has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Alagappan performs imaging including mri scan of lower spinal canal without contrast and x-ray of chest, 1 view; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers and complete ultrasound of abdomen and pelvis artery and vein blood flow. 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. Alagappan. 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.