IRMA ZESATI MEJIA ARNP
NPI 1366880734
Nurse Practitioner in Sunnyside, WA
About Irma Zesati Mejia Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRMA ZESATI MEJIA ARNP (NPI 1366880734) is an individual nurse practitioner in Sunnyside, Washington, licensed in Washington (AP60361834) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Prosser Memorial Hospital, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Irma Zesati Mejia Arnp 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 Reassignment
Medicare enrollment records show Irma Mejia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sunnyside, WA 98944
- Reassigned Medicare billing, Washington enrollment
- 9 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prosser Memorial Hospital
Critical Access Hospitals · Prosser, WAAstria Sunnyside Hospital
Critical Access Hospitals · Sunnyside, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98944 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 2
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 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 Irma Mejia's NPI number?
The NPI number for Irma Mejia is 1366880734. It was assigned to this individual provider in the NPPES registry on June 7, 2013. The provider is also known as Irma Zesati Ramos Rn.
Where is Irma Mejia located?
Irma Mejia practices at 700 S 11th St, Sunnyside, WA 98944. The listed phone number is (509) 839-6822.
What is Irma Mejia's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Irma Mejia enrolled in Medicare?
Yes. Irma Mejia 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 organization bills Medicare for Irma Mejia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irma Mejia reassigns Medicare benefits to Mid-Valley Community Clinic, PLLC (Sunnyside, WA). 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 Irma Mejia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irma Mejia accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Irma Mejia 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 Irma Mejia affiliated with any hospitals?
According to CMS data, Irma Mejia is affiliated with Prosser Memorial Hospital and Astria Sunnyside Hospital.
When was this NPI record last updated?
The NPPES record for Irma Mejia was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Irma Zesati Mejia, ARNP · NPI 1366880734
Nurse Practitioner physician in Sunnyside, Washington. Individual provider, active in the CMS NPPES registry since June 7, 2013.
## Identity
- **NPI:** 1366880734 (Entity type: Individual)
- **Enumerated:** June 7, 2013
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP60361834 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 700 S 11TH ST, Sunnyside, WA 98944-2243
- **Phone:** (509) 839-6822 · **Fax:** (509) 839-5913
## 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:** Mid-Valley Community Clinic, PLLC (NPI 1447203104, Sunnyside, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** July 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1366880734) · Data from the CMS NPPES public registry.