IRENE LAMBIRIS M.D.
NPI 1821309014
Hospitalist in Henderson, NV
About Irene Lambiris M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRENE LAMBIRIS M.D. (NPI 1821309014) is an individual hospitalist provider in Henderson, Nevada, licensed in Arizona (66156) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Sunrise Hospital And Medical Center, and maintains a secondary practice location in Las Vegas.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Irene Lambiris M.d. 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
2Medicare enrollment records show Irene Lambiris reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Las Vegas, NV 89148
- Reassigned Medicare billing, Nevada enrollment
- 101 clinicians in this Medicare group
Phoenix, AZ 85085
- Reassigned Medicare billing, Arizona enrollment
- 99 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sunrise Hospital And Medical Center
Acute Care Hospitals · Las Vegas, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89052 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.
Referred Medical Equipment & Supplies CMS DME claims 3
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HENDERSON, NV 89052
HENDERSON, NV 89052
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 Irene Lambiris's NPI number?
The NPI number for Irene Lambiris is 1821309014. It was assigned to this individual provider in the NPPES registry on June 23, 2010.
Where is Irene Lambiris located?
Irene Lambiris practices at 2845 Siena Heights Dr, Henderson, NV 89052. The listed phone number is (702) 877-5199.
What is Irene Lambiris's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Irene Lambiris enrolled in Medicare?
Yes. Irene Lambiris 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 Irene Lambiris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irene Lambiris reassigns Medicare benefits to 2 organizations: Eid Nevada Critical Care PLLC (Las Vegas, NV) and Vituity - Arizona Hospitalists PC (Phoenix, AZ). 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 Irene Lambiris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Irene Lambiris affiliated with any hospitals?
According to CMS data, Irene Lambiris is affiliated with Sunrise Hospital And Medical Center.
When was this NPI record last updated?
The NPPES record for Irene Lambiris was last updated on March 31, 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.
# Irene Lambiris, M.D. · NPI 1821309014
Hospitalist physician in Henderson, Nevada. Individual provider, active in the CMS NPPES registry since June 23, 2010.
## Identity
- **NPI:** 1821309014 (Entity type: Individual)
- **Enumerated:** June 23, 2010
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 66156 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2845 SIENA HEIGHTS DR, Henderson, NV 89052-4153
- **Phone:** (702) 877-5199
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Eid Nevada Critical Care PLLC (NPI 1962712828, Las Vegas, NV); Vituity - Arizona Hospitalists PC (NPI 1770109704, Phoenix, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** March 31, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1821309014) · Data from the CMS NPPES public registry.