MS. AMY DIANNA WALLEN FNP
NPI 1831581222
Nurse Practitioner in Farmington, MO
About Ms. Amy Dianna Wallen Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. AMY DIANNA WALLEN FNP (NPI 1831581222) is an individual nurse practitioner in Farmington, Missouri, licensed in Missouri (2015006782) and active in the NPI registry since February 2015. She is enrolled in Medicare PECOS, is affiliated with Washington County Memorial Hospital, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Other Identifiers 1
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
Ms. Amy Dianna Wallen Fnp 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.
Areas of Expertise CMS Part B claims 10
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.
Washington County Memorial Hospital
Critical Access Hospitals · Potosi, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63640 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 4
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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FARMINGTON, MO 63640
FARMINGTON, MO 63640
FARMINGTON, MO 63640
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 Amy Wallen's NPI number?
The NPI number for Amy Wallen is 1831581222. It was assigned to this individual provider in the NPPES registry on February 23, 2015.
Where is Amy Wallen located?
Amy Wallen practices at 203 S Washington St, Farmington, MO 63640. The listed phone number is (573) 664-1047.
What is Amy Wallen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Amy Wallen enrolled in Medicare?
Yes. Amy Wallen 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.
Is Amy Wallen affiliated with any hospitals?
According to CMS data, Amy Wallen is affiliated with Washington County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Amy Wallen was last updated on December 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
