NPPES file of Aug 9, 2026

Wendy Lou Maddux, APRN

Gerontology Nurse Practitioner · Lewistown, MT

Wendy Lou Maddux, APRN is a gerontology nurse practitioner with a practice address in Lewistown, Montana, and NPI 1023346004, issued on Dec 2, 2009. Check the license (Montana 178764, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023346004
Name
Wendy Lou Maddux
Credential
APRN
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License numbers
178764 MT
NUR-APRN-LIC-178764 MT
RN25056 MT
Self-reported in NPPES; status is on the state search
Practice location
408 Wendell Ave, Lewistown, MT 59457
Phone
(406) 535-6302
Enumerated
Dec 2, 2009
Record last updated
Mar 21, 2026
Fax
(406) 535-6306
Medicare enrollment
Enrolled (PECOS I20220215000304); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 408 Wendell Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danielle Affolder, COTAOccupational Therapy Assistant1679978019
  2. Laura Anderson, DPTPhysical Therapist1952702144
  3. Amie Baguer, FNPFamily Nurse Practitioner1144198763
  4. Laura Bennett, MDFamily Medicine Physician1639120546
  5. Justin BerklovichPhysical Therapy Assistant1609439041
  6. Shaun Biddle, PT, DPTPhysical Therapist1831477165

Verify Wendy Lou Maddux in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 178764    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Montana license search

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92% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024

105 Medicare Part D claims, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 28 claims were for opioids.

  1. Wendy Maddux105
  2. Specialty average1,369

Most prescribed

  1. Hydrocodone-Acetaminophen28 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

2 gerontology nurse practitioner records list a practice address in Lewistown

They are 2 of the 175 NPPES records with a practice address in Lewistown, and 29 gerontology nurse practitioner records in Montana.

All 2 in Lewistown → All 29 in Montana → Every provider in Lewistown →

Other gerontology nurse practitioner records in Montana

  1. Molly AsperShelby, MT1255955571
  2. Paula Brooks, NURSE PRACTITIONERKalispell, MT1609326016
  3. Penny Bucher, AGNP-ACMissoula, MT1407519366
  4. Mallory Buck, APRNMissoula, MT1881145050
  5. Eliza Caldwell, FNP-CBillings, MT1699294124
  6. Dana CramerMissoula, MT1114796836
  7. Marji Cunningham, APRNBillings, MT1477171270
  8. Jasmin DesrosierMissoula, MT1558078295
  9. Marnie Dichiaro, APRNMissoula, MT1811497076
  10. Teresa DutroBozeman, MT1326403510

Common questions

What is Wendy Lou Maddux, APRN's NPI number?

Wendy Lou Maddux, APRN's National Provider Identifier (NPI) is 1023346004, issued on Dec 2, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Wendy Lou Maddux, APRN located?

The NPPES record lists a practice address at 408 Wendell Ave, Lewistown, MT, 59457. Phone: (406) 535-6302. Providers update this record themselves, so call before visiting.

How can I verify Wendy Lou Maddux, APRN's license?

NPPES lists Montana license number 178764, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Wendy Lou Maddux, APRN prescribe under Medicare Part D?

In 2024, Wendy Lou Maddux, APRN had 105 Medicare Part D claims; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.