WENDY LOU MADDUX APRN
NPI 1023346004
Nurse Practitioner - Gerontology in Lewistown, MT

Active since December 02, 2009PECOS EnrolledAccepts Medicare Assignment
408 WENDELL AVE, LEWISTOWN, MT 59457(406) 535-6302(406) 535-6306 Get Directions Write a Review

NPPES record last updated: March 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 21, 2026, Feb 18, 2022, Jan 12, 2022 (3 updates tracked since 2022).

About Wendy Lou Maddux Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WENDY LOU MADDUX APRN (NPI 1023346004) is an individual gerontology provider in Lewistown, Montana, licensed in Montana (178764) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Lewistown, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1023346004
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameWENDY LOU MADDUXCredential: APRN
Location Address408 WENDELL AVELewistown, MT 59457-2261
Mailing Address419 E Broadway StLewistown, MT 59457-1904 · (406) 535-3398 · Fax (406) 535-1940
Fax(406) 535-6306
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 2, 2009
Last NPPES UpdateMarch 21, 20263 updates tracked since enumeration
NPPES CertifiedMarch 21, 2026
NPI 1023346004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License Licensed in MT · 178764
Also ListedRegistered Nurse · Wound CareTaxonomy 163WW0000X · License RN25056 (MT)
Also ListedClinical Nurse SpecialistTaxonomy 364S00000X · License NUR-APRN-LIC-178764 (MT)
408 WENDELL AVE, Lewistown, MT 59457

Secondary Practice Location 1

Location 1419 E Broadway StLewistown, MT 59457-1904 · Phone (406) 535-3398 · Fax (406) 535-1940

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

Wendy Lou Maddux 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.

PECOS PAC ID6103219118
PECOS Enrollment IDI20220215000304
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59457 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
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.

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.

Emergency Medicine (Emergency Medical Services)
408 WENDELL AVE
LEWISTOWN, MT 59457
Nurse Practitioner
408 WENDELL AVE
LEWISTOWN, MT 59457
Family Medicine
408 WENDELL AVE
LEWISTOWN, MT 59457
Emergency Medicine
408 WENDELL AVE
LEWISTOWN, MT 59457
Physical Therapist
408 WENDELL AVE
LEWISTOWN, MT 59457
Counselor (Mental Health)
408 WENDELL AVE
LEWISTOWN, MT 59457
Speech-Language Pathologist
408 WENDELL AVE
LEWISTOWN, MT 59457
Radiology (Diagnostic Radiology)
408 WENDELL AVE
LEWISTOWN, MT 59457

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 Wendy Maddux's NPI number?

The NPI number for Wendy Maddux is 1023346004. It was assigned to this individual provider in the NPPES registry on December 2, 2009.

Where is Wendy Maddux located?

Wendy Maddux practices at 408 Wendell Ave, Lewistown, MT 59457. The listed phone number is (406) 535-6302.

What is Wendy Maddux's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Wendy Maddux enrolled in Medicare?

Yes. Wendy Maddux 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 Wendy Maddux accept?

Health plans from Blue Cross and Blue Shield of Montana, PacificSource Health Plans and Providence Health Plan list Wendy Maddux 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 Wendy Maddux was last updated on March 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.