DR. TAMEEM ALHAYYA MD
NPI 1649283557
Internal Medicine - Nephrology in Corona, CA
About Dr. Tameem Alhayya Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TAMEEM ALHAYYA MD (NPI 1649283557) is an individual nephrology provider in Corona, California, licensed in California (A125541) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
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
Dr. Tameem Alhayya 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 Tameem Alhayya reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Corona, CA 92879
- Reassigned Medicare billing, California enrollment
- 123 clinicians in this Medicare group
Corona, CA 92879
- Reassigned Medicare billing, California enrollment
- 54 clinicians in this Medicare group
Corona, CA 92879
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 72 clinicians in this Medicare group
Costa Mesa, CA 92626
- Reassigned Medicare billing, California enrollment
- 194 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 18
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 92879 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 13
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CORONA, CA 92879
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 Tameem Alhayya's NPI number?
The NPI number for Tameem Alhayya is 1649283557. It was assigned to this individual provider in the NPPES registry on August 14, 2006.
Where is Tameem Alhayya located?
Tameem Alhayya practices at 250 E Rincon St Ste 106, Corona, CA 92879. The listed phone number is (951) 339-8459.
What is Tameem Alhayya's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Tameem Alhayya enrolled in Medicare?
Yes. Tameem Alhayya 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 Tameem Alhayya's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tameem Alhayya reassigns Medicare benefits to 5 organizations: Hospitalist Group Of Montebello Inc (Corona, CA), Sunrise Medical Associates Inc (Corona, CA), Sunrise Post Acute Services Inc (Corona, CA), Im-Fsr Inc. (Chino Hills, CA) and Careconnectmd Ca PC (Costa Mesa, 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 Tameem Alhayya's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tameem Alhayya accept?
Health plans from Taro Health list Tameem Alhayya 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.
When was this NPI record last updated?
The NPPES record for Tameem Alhayya was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.