KATHLEEN WAIRIMU M.D.
NPI 1023065422
Internal Medicine - Infectious Disease in Las Vegas, NV
About Kathleen Wairimu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN WAIRIMU M.D. (NPI 1023065422) is an individual infectious disease provider in Las Vegas, Nevada, licensed in Nevada (9820) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with University Medical Center, and maintains a secondary practice location in Las Vegas.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Kathleen Wairimu 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 Kathleen Wairimu 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 89129
- Reassigned Medicare billing, Nevada enrollment
Las Vegas, NV 89128
- Reassigned Medicare billing, Nevada enrollment
- 522 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Medical Center
Acute Care Hospitals · Las Vegas, NVMountainview Hospital
Acute Care Hospitals · Las Vegas, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89129 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 5
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 Kathleen Wairimu's NPI number?
The NPI number for Kathleen Wairimu is 1023065422. It was assigned to this individual provider in the NPPES registry on May 30, 2006.
Where is Kathleen Wairimu located?
Kathleen Wairimu practices at 3416 N Buffalo Dr, Las Vegas, NV 89129. The listed phone number is (702) 666-3388.
What is Kathleen Wairimu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Kathleen Wairimu enrolled in Medicare?
Yes. Kathleen Wairimu 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 Kathleen Wairimu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Wairimu reassigns Medicare benefits to 2 organizations: Kathleen Wairimu MD PC (Las Vegas, NV) and University Medical Center Of Southern Nevada (Las Vegas, NV). 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 Kathleen Wairimu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathleen Wairimu accept?
Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Kathleen Wairimu 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 Kathleen Wairimu affiliated with any hospitals?
According to CMS data, Kathleen Wairimu is affiliated with University Medical Center and Mountainview Hospital.
When was this NPI record last updated?
The NPPES record for Kathleen Wairimu was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Kathleen Wairimu, M.D. · NPI 1023065422
Infectious Disease physician in Las Vegas, Nevada. Individual provider, active in the CMS NPPES registry since May 30, 2006.
## Identity
- **NPI:** 1023065422 (Entity type: Individual)
- **Enumerated:** May 30, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 9820 (Nevada)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3416 N BUFFALO DR, Las Vegas, NV 89129-7424
- **Phone:** (702) 666-3388
## 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): Kathleen Wairimu MD PC (NPI 1760581532, Las Vegas, NV); University Medical Center Of Southern Nevada (NPI 1992367007, Las Vegas, NV) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** March 5, 2026
- **Other identifiers:** Medicaid 002018464 (NV)
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Source: [NPI Profile](https://npiprofile.com/npi/1023065422) · Data from the CMS NPPES public registry.