AARON MICHAEL MAUS MD
NPI 1083282669
Internal Medicine in Glendive, MT

Q: What is Aaron Maus's NPI number?

The NPI number for Aaron Maus is 1083282669. It was assigned to this individual provider in the NPPES registry on June 11, 2021.

Q: What is Aaron Maus's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Aaron Maus was last updated on August 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 11, 2021PECOS EnrolledAccepts Medicare Assignment

107 DILWORTH ST, GLENDIVE, MT 59330(406) 345-8901 Get Directions Write a Review

NPPES record last updated: August 22, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 19, 2025, Jun 20, 2024, Sep 6, 2021 and 1 more (4 updates tracked since 2021).

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About Aaron Michael Maus Md NPPES

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

AARON MICHAEL MAUS MD (NPI 1083282669) is an individual internal medicine provider in Glendive, Montana, licensed in Montana (142789) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Glendive Medical Center, and is a graduate of University Of Washington School Of Medicine (2020).

NPPES Registry Identity

NPI1083282669

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameAARON MICHAEL MAUSCredential: MD

Location Address107 DILWORTH STGlendive, MT 59330-2053

Mailing Address107 Dilworth StGlendive, MT 59330-2053 · (406) 345-3306

Phone(406) 345-8901

Sole ProprietorYes

Medical School CMSUniversity Of Washington School Of MedicineGraduated 2020

Enumeration DateJune 11, 2021

Last NPPES UpdateAugust 22, 20254 updates tracked since enumeration

NPPES CertifiedAugust 22, 2025

✔ NPI 1083282669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MT · 142789

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

107 DILWORTH ST, Glendive, MT 59330

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP.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

Aaron Michael Maus Md 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 ID941601579

PECOS Enrollment IDI20240911003556

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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

57 services26 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

21 services21 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

18 services12 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

13 services13 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Glendive Medical Center

Critical Access Hospitals · Glendive, MT

OwnershipVoluntary non-profit - Private

CMS Certification Number271332

Location202 Prospect DrGlendive, MT 59330 · Dawson County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59330 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

$130.52 typical visit price

range $56.81 – $172.26

Typical copayment $32.63 (range $14.20 – $43.06)

Most-billed visit code 99204

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier15 claims15 services$15.04 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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KERMIT RAGAIN, M.D., P.C.

Radiology (Body Imaging)