RAVI KUMAR AGGU SHER MD
NPI 1285898585
Internal Medicine - Critical Care Medicine in San Jose, CA
About Ravi Kumar Aggu Sher Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RAVI KUMAR AGGU SHER MD (NPI 1285898585) is an individual critical care medicine provider in San Jose, California, licensed in California (A123535) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ravi Kumar Aggu Sher Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Ravi Aggu Sher reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 121 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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 4
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 95124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Aggu Sher's NPI number?
The NPI number for Ravi Aggu Sher is 1285898585. It was assigned to this individual provider in the NPPES registry on July 15, 2008.
Where is Ravi Aggu Sher located?
Ravi Aggu Sher practices at 2425 Samaritan Dr, San Jose, CA 95124. The listed phone number is (408) 559-2011.
What is Ravi Aggu Sher's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Ravi Aggu Sher enrolled in Medicare?
Yes. Ravi Aggu Sher is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ravi Aggu Sher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ravi Aggu Sher reassigns Medicare benefits to 5 organizations: Permanente Medical Group Inc (Santa Clara, CA), University Healthcare Alliance (Newark, CA), Washington Township Medical Foundation (Fremont, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA) and Inpatient Specialists Of California, PC (San Bernardino, CA). 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 Aggu Sher'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 Aggu Sher was last updated on October 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ravi Kumar Aggu Sher, MD · NPI 1285898585
Critical Care Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since July 15, 2008.
## Identity
- **NPI:** 1285898585 (Entity type: Individual)
- **Enumerated:** July 15, 2008
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A123535 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2425 SAMARITAN DR, San Jose, CA 95124-3908
- **Phone:** (408) 559-2011 · **Fax:** (786) 206-0764
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA); University Healthcare Alliance (NPI 1760531198, Newark, CA); Washington Township Medical Foundation (NPI 1346557014, Fremont, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** October 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1285898585) · Data from the CMS NPPES public registry.