Doctor profile · Federal record

Dr. Ravi Alagappan, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · San Ramon, CA

  • NPI 1063467355
  • Accepts Medicare
  • 36 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2242 Camino Ramon Ste 100
San Ramon, CA 94583
(925) 327-0015
fax (925) 327-0095
Additional location
2365 Quimby RD Ste 100
San Jose, CA 951221337
(669) 888-0001
Additional location
3976 Canyon RD
Lafayette, CA 945492702

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 5, 2022
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
California #G74076 · Tennessee #28227

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063467355. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,897
Distinct HCPCS
10
Medicare allowed
$386,060
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 3,830 41 $0
A9579 Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml 1,494 91 $2
A9575 Injection, gadoterate meglumine, 0.1 ml 685 31 $0
72148 Mri scan of lower spinal canal without contrast 211 207 $222
70551 Mri scan of brain without contrast 170 169 $232
73721 Mri scan of leg joint without contrast 170 156 $237
71250 Ct scan of chest without contrast 158 139 $103
71046 X-ray of chest, 2 views 139 119 $28
73221 Mri scan of arm joint without contrast 126 109 $229
72141 Mri scan of upper spinal canal without contrast 120 119 $195

In context: peer comparison

Among 1 peers in San Ramon Diagnostic Radiology Physician, average services per provider: 143. This provider delivers 62× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ravi Alagappan's medical specialty?
Dr. Ravi Alagappan practices Diagnostic Radiology Physician in San Ramon, CA.
Where does Dr. Ravi Alagappan practice?
Dr. Ravi Alagappan practices at 2242 Camino Ramon Ste 100, San Ramon, CA 94583. Office phone: 9253270015.
What is Dr. Ravi Alagappan's NPI?
Dr. Ravi Alagappan's National Provider Identifier (NPI) is 1063467355, issued by NPPES.
Does Dr. Ravi Alagappan accept Medicare assignment?
Yes. Dr. Ravi Alagappan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ravi Alagappan commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml (HCPCS A9579); Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575). Source: CMS Medicare Physician & Other Practitioners file.