DR. SHIMA GHAVIMI M.D.
NPI 1811316458
Internal Medicine - Gastroenterology in Corona, CA
About Dr. Shima Ghavimi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHIMA GHAVIMI M.D. (NPI 1811316458) is an individual gastroenterology provider in Corona, California, licensed in California (C208749) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Allen Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Locations 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Shima Ghavimi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Shima Ghavimi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waterloo, IA 50703
- Reassigned Medicare billing, Iowa enrollment
- 273 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 10
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allen Hospital
Acute Care Hospitals · Waterloo, IACommunity Memorial Hospital Medical Center
Critical Access Hospitals · Sumner, IABuchanan County Health Center
Critical Access Hospitals · Independence, IAWaverly Health Center
Critical Access Hospitals · Waverly, IAFloyd County Medical Center
Critical Access Hospitals · Charles City, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92881 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CORONA, CA 92881
CORONA, CA 92881
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 Shima Ghavimi's NPI number?
The NPI number for Shima Ghavimi is 1811316458. It was assigned to this individual provider in the NPPES registry on April 10, 2014.
Where is Shima Ghavimi located?
Shima Ghavimi practices at 2097 Compton Ave Ste 103, Corona, CA 92881. The listed phone number is (951) 934-0505.
What is Shima Ghavimi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Shima Ghavimi enrolled in Medicare?
Yes. Shima Ghavimi is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Shima Ghavimi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shima Ghavimi reassigns Medicare benefits to Allen Memorial Hospital Corporation (Waterloo, IA). The 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 Shima Ghavimi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shima Ghavimi accept?
Health plans from CareSource list Shima Ghavimi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Shima Ghavimi affiliated with any hospitals?
According to CMS data, Shima Ghavimi is affiliated with Allen Hospital, Community Memorial Hospital Medical Center, Buchanan County Health Center, Waverly Health Center and Floyd County Medical Center.
When was this NPI record last updated?
The NPPES record for Shima Ghavimi was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.