ESTHER WAIRIMU KIHUNYU APRN
NPI 1548411580
Nurse Practitioner - Family in Portland, OR
About Esther Wairimu Kihunyu Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ESTHER WAIRIMU KIHUNYU APRN (NPI 1548411580) is an individual family provider in Portland, Oregon, licensed in Oregon (201350035NP) and active in the NPI registry since October 2008. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Esther Wairimu Kihunyu Aprn 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 Esther Kihunyu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gresham, OR 97030
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1871848457 (Washington)
- 3,207 clinicians in this Medicare group
Portland, OR 97232
- Reassigned Medicare billing, Oregon enrollment
- 338 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 3
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 97233 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.
PORTLAND, OR 97233
PORTLAND, OR 97233
PORTLAND, OR 97233
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 Esther Kihunyu's NPI number?
The NPI number for Esther Kihunyu is 1548411580. It was assigned to this individual provider in the NPPES registry on October 8, 2008.
Where is Esther Kihunyu located?
Esther Kihunyu practices at 19500 SE Stark St, Portland, OR 97233. The listed phone number is (800) 813-2000.
What is Esther Kihunyu's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Esther Kihunyu enrolled in Medicare?
Yes. Esther Kihunyu 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 Esther Kihunyu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Esther Kihunyu reassigns Medicare benefits to 2 organizations: Sapphire At Gresham Rehab, LLC (Gresham, OR) and The Oregon Clinic PC (Portland, OR). 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 Esther Kihunyu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Esther Kihunyu accept?
Health plans from Moda Health Plan, Inc. list Esther Kihunyu 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 Esther Kihunyu was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Esther Wairimu Kihunyu, APRN · NPI 1548411580
Family physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since October 8, 2008.
## Identity
- **NPI:** 1548411580 (Entity type: Individual)
- **Enumerated:** October 8, 2008
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 201350035NP (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 19500 SE STARK ST, Portland, OR 97233-5757
- **Phone:** (800) 813-2000
## 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): Sapphire At Gresham Rehab, LLC (NPI 1033740899, Gresham, OR); The Oregon Clinic PC (NPI 1265417174, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** December 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1548411580) · Data from the CMS NPPES public registry.