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

NPI Status: Active since December 02, 2009

Contact Information

408 WENDELL AVE
LEWISTOWN, MT
ZIP 59457
Phone: (406) 535-6302
Fax: (406) 535-6306

Get Directions Write a Review

  • Individual
  • Female
  • Years of Experience 5
  • Nurse Practitioner
  • Gerontology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About WENDY MADDUX

This page provides the complete NPI Profile along with additional information for Wendy Maddux, a provider established in Lewistown, Montana with a medical specialization in Nurse Practitioner, focusing in gerontology and more than 5 years of experience. The healthcare provider is registered in the NPI registry with number 1023346004 assigned on December 2009. The practitioner's primary taxonomy code is 363LG0600X with license number 178764 (MT). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1023346004
Provider Name
WENDY LOU MADDUX APRN
Gender
Female
Entity Type
Individual
Location Address
408 WENDELL AVE LEWISTOWN, MT 59457
Location Phone
(406) 535-6302
Location Fax
(406) 535-6306
Mailing Address
419 E BROADWAY ST LEWISTOWN, MT 59457
Mailing Phone
(406) 535-3398
Mailing Fax
(406) 535-6306
Medical School Name
OTHER
Graduation Year
2021
Is Sole Proprietor?
No
Enumeration Date
12-02-2009
Last Update Date
03-21-2026
Code Navigator

A nurse practitioner (NP) like Wendy Maddux is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

Secondary Locations

  • 419 E Broadway St
    Lewistown, MT 59457
    (406) 535-3398

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Nurse Practitioner Gerontology

Taxonomy Code
363LG0600X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
178764
License State
MT

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1163WW0000XNursing Service Providers

Registered Nurse
Wound Care

RN25056 (MT)
2364S00000XPhysician Assistants & Advanced Practice Nursing Providers

Clinical Nurse Specialist

NUR-APRN-LIC-178764 (MT)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Blue Preferred Bronze PPO? 201 - PPO
  • Blue Preferred Bronze PPO? 202 - PPO
  • Blue Preferred Bronze PPO? Standard - PPO
  • Blue Preferred Gold PPO? 204 - PPO
  • Blue Preferred Gold PPO? 901 - PPO
  • Blue Preferred Gold PPO? Standard - PPO
  • Blue Preferred Security PPO? 200 - PPO
  • Blue Preferred Silver PPO? 203 - PPO
  • Blue Preferred Silver PPO? 308 - PPO
  • Blue Preferred Silver PPO? Standard - PPO
  • Core Bronze HSA 10600 - EPO
  • Core Bronze HSA 7500 - EPO
  • Core Bronze HSA 8300 - EPO
  • Core Gold 1500 - EPO
  • Core Gold 3000 - EPO
  • Core Silver 3500 - EPO
  • Core Silver 4500 - EPO
  • Core Silver 5000 - EPO
  • Core Silver 7500 - EPO
  • Core Standard Expanded Bronze HSA - EPO
  • Core Standard Gold - EPO
  • Core Standard Silver - EPO
  • PacificSource Oregon Standard Bronze HSA Plan Core - EPO
  • PacificSource Oregon Standard Gold Plan Core - EPO
  • PacificSource Oregon Standard Silver Plan Core - EPO
  • HSA Qualified 7500 Bronze - Choice Network - EPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Choice Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Choice Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Choice Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Wendy Maddux is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Wendy Maddux is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 6103219118

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20220215000304

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.99 for a new patient copayment and $25.04 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 59457 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $87.97
  • Minimum New Patient Price $56.81
  • Maximum New Patient Price $172.26
  • Average New Patient Copayment $21.99
  • Minimum New Patient Copayment $14.2
  • Maximum New Patient Copayment $43.06

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $100.16
  • Minimum Established Patient Price $18.24
  • Maximum Established Patient Price $140.32
  • Average Established Patient Copayment $25.04
  • Minimum Established Patient Copayment $4.56
  • Maximum Established Patient Copayment $35.08

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Reviews for WENDY LOU MADDUX APRN

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1023346004, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
4
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 3 → 6 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 4 + 3 + 6 + 4 + 1 + 2 + 0 + 0 + 24 = 46

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1023346004.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
408 WENDELL AVE
LEWISTOWN, MT 59457
Emergency Medicine (Emergency Medical Services)
408 WENDELL AVE
LEWISTOWN, MT 59457
Nurse Anesthetist, Certified Registered
408 WENDELL AVE
LEWISTOWN, MT 59457
Pharmacist
408 WENDELL AVE, ATTN: PHARMACY
LEWISTOWN, MT 59457
Nurse Anesthetist, Certified Registered
408 WENDELL AVE
LEWISTOWN, MT 59457
Physical Therapist
408 WENDELL AVE
LEWISTOWN, MT 59457
Occupational Therapist (Hand)
408 WENDELL AVE
LEWISTOWN, MT 59457
Occupational Therapist
408 WENDELL AVE
LEWISTOWN, MT 59457
Occupational Therapist
408 WENDELL AVE
LEWISTOWN, MT 59457
Speech-Language Pathologist
408 WENDELL AVE, STE 130
LEWISTOWN, MT 59457
Registered Nurse (Wound Care)
408 WENDELL AVE
LEWISTOWN, MT 59457
Physical Therapist
408 WENDELL AVE
LEWISTOWN, MT 59457
Speech-Language Pathologist
408 WENDELL AVE
LEWISTOWN, MT 59457
Clinic/Center (Radiology)
408 WENDELL AVE
LEWISTOWN, MT 59457
Registered Nurse (Wound Care)
408 WENDELL AVE
LEWISTOWN, MT 59457
Speech-Language Pathologist
408 WENDELL AVE
LEWISTOWN, MT 59457
Occupational Therapy Assistant
408 WENDELL AVE
LEWISTOWN, MT 59457
Physical Therapist
408 WENDELL AVE
LEWISTOWN, MT 59457
Family Medicine
408 WENDELL AVE
LEWISTOWN, MT 59457
Nurse Practitioner (Family)
408 WENDELL AVE
LEWISTOWN, MT 59457

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023346004, enumerated as an "individual" on December 02, 2009.

The provider is located at 408 WENDELL AVE LEWISTOWN, MT 59457 and the phone number is (406) 535-6302.

Nurse Practitioner with taxonomy code 363LG0600X and a focus in Gerontology.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana,. Please consult your insurance carrier or call the provider to verify.