KRISTI A MAHLMANN FNP-BC
NPI 1215568357
Nurse Practitioner - Family in Union Gap, WA
About Kristi A Mahlmann Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTI A MAHLMANN FNP-BC (NPI 1215568357) is an individual family provider in Union Gap, Washington, licensed in Washington (AP61026558) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS, is affiliated with Yakima Valley Memorial, and maintains a secondary practice location in Sunnyside.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kristi A Mahlmann Fnp-bc 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Yakima Valley Memorial
Acute Care Hospitals · Yakima, WAAstria Toppenish Hospital
Acute Care Hospitals · Toppenish, WAAstria Sunnyside Hospital
Critical Access Hospitals · Sunnyside, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98903 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
UNION GAP, WA 98903
UNION GAP, WA 98903
UNION GAP, WA 98903
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 Kristi Mahlmann's NPI number?
The NPI number for Kristi Mahlmann is 1215568357. It was assigned to this individual provider in the NPPES registry on January 28, 2020. The provider is also known as Kristi A Seiders-Werner.
Where is Kristi Mahlmann located?
Kristi Mahlmann practices at 1420 Ahtanum Ridge Dr, Union Gap, WA 98903. The listed phone number is (509) 454-7700.
What is Kristi Mahlmann's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kristi Mahlmann enrolled in Medicare?
Yes. Kristi Mahlmann 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.
What insurance does Kristi Mahlmann accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Kristi Mahlmann 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 Kristi Mahlmann affiliated with any hospitals?
According to CMS data, Kristi Mahlmann is affiliated with Yakima Valley Memorial, Astria Toppenish Hospital and Astria Sunnyside Hospital.
When was this NPI record last updated?
The NPPES record for Kristi Mahlmann was last updated on September 12, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
