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MS. AMY DIANNA WALLEN FNP
NPI 1831581222
Nurse Practitioner in Farmington, MO

Active since February 23, 2015PECOS EnrolledAccepts Medicare Assignment
203 S WASHINGTON ST, FARMINGTON, MO 63640(573) 664-1047 Get Directions Write a Review

NPPES record last updated: December 17, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 17, 2025, Apr 8, 2024, Dec 12, 2022 and 2 more (5 updates tracked since 2015).

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 and is a graduate of Other (2014).

NPPES Registry Identity

NPI1831581222
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. AMY DIANNA WALLENCredential: FNP
Location Address203 S WASHINGTON STFarmington, MO 63640-1836
Mailing Address203 S Washington StFarmington, MO 63640-1836 · (573) 664-1047
Phone(573) 664-1047
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateFebruary 23, 2015
Last NPPES UpdateDecember 17, 20255 updates tracked since enumeration
NPPES CertifiedDecember 17, 2025
✔ NPI 1831581222 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MO · 2015006782
Definition
(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.
203 S WASHINGTON ST, Farmington, MO 63640
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Other Identifiers 1

Medicaid420021276MO

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.

PECOS PAC ID9436307139
PECOS Enrollment IDI20150520000874
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 99426
Principal care management services focus on managing a single high-risk disease. This involves a health care professional directing clinical staff for the first 30 minutes each month. The aim is to monitor your health, coordinate care, and provide necessary support for your disease management.
510 services261 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
334 services99 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
313 services39 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
313 services39 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
256 services59 patients
Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 99426
Principal care management services focus on managing a single high-risk disease. This involves a health care professional directing clinical staff for the first 30 minutes each month. The aim is to monitor your health, coordinate care, and provide necessary support for your disease management.
163 services126 patients

Physician 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.

New Patient
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers35 claims120 services$6.68 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers30 claims54 services$1.14 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers11 claims11 services$21.39 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers19 claims19 services$113.15 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DUSTIN SHANE MORTON PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
203 S WASHINGTON ST
FARMINGTON, MO 63640
St. Francois County (573) 664-1047
MINERAL AREA PSYCHIATRIC SERVICES LLC
Psychiatry & Neurology (Psychiatry)
203 S WASHINGTON ST
FARMINGTON, MO 63640
St. Francois County (573) 664-1047
KIMBERLY ANN YEAGER APRN,BC,FNP
Nurse Practitioner (Family)
203 S WASHINGTON ST
FARMINGTON, MO 63640
St. Francois County (573) 664-1047
DSM PSYCHIATRIC SERVICES LLC
Nurse Practitioner (Psychiatric/Mental Health)
203 S WASHINGTON ST
FARMINGTON, MO 63640
St. Francois County (573) 664-1047

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.

When was this NPI record last updated?

The NPPES record for Amy Wallen was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.