DR. RAVI ALAGAPPAN MD
NPI 1063467355
Radiology - Diagnostic Radiology in San Ramon, CA
About Dr. Ravi Alagappan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RAVI ALAGAPPAN MD (NPI 1063467355) is an individual diagnostic radiology provider in San Ramon, California, licensed in California (G74076) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Emory University School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ravi Alagappan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Ravi Alagappan reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Berkeley, CA 94704
- Reassigned Medicare billing, California enrollment
- 181 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 129 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 60 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
Castro Valley, CA 94546
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Antioch, CA 94509
- Reassigned Medicare billing, California enrollment
- 40 clinicians in this Medicare group
San Jose, CA 95122
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 53
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94583 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN RAMON, CA 94583
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ravi Alagappan's NPI number?
The NPI number for Ravi Alagappan is 1063467355. It was assigned to this individual provider in the NPPES registry on May 24, 2006.
Where is Ravi Alagappan located?
Ravi Alagappan practices at 2242 Camino Ramon Ste 100, San Ramon, CA 94583. The listed phone number is (925) 327-0015.
What is Ravi Alagappan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Ravi Alagappan enrolled in Medicare?
Yes. Ravi Alagappan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ravi Alagappan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ravi Alagappan reassigns Medicare benefits to 8 organizations: Bay Imaging Consultants Medical Group, Inc. (Berkeley, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), John Muir Magnetic Imaging Center (Walnut Creek, CA), Michael P Sherman MD Phd, A Medical Corporation (Walnut Creek, CA), Solano Diagnostics Partners, A Calif Limited Partnership (Fairfield, CA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ravi Alagappan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ravi Alagappan was last updated on December 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.