MR. MICHAEL A. MAHLER CRNA
NPI 1205870326
Nurse Anesthetist, Certified Registered in Great Falls, MT

Active since June 16, 2006Accepts Medicare Assignment
1101 26TH ST S, GREAT FALLS, MT 59405(406) 455-5000(406) 731-8318 Get Directions Write a Review

NPPES record last updated: February 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 17, 2025, Jan 13, 2022 (2 updates tracked since 2022).

About Mr. Michael A. Mahler Crna NPPES

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

MR. MICHAEL A. MAHLER CRNA (NPI 1205870326) is an individual nurse anesthetist, certified registered in Great Falls, Montana, licensed in Montana (101047) and active in the NPI registry since June 2006. He maintains 2 additional practice locations and is a graduate of Other (2003).

NPPES Registry Identity

NPI1205870326
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMR. MICHAEL A. MAHLERCredential: CRNA
Location Address1101 26TH ST SGreat Falls, MT 59405-5161
Mailing Address1401 25th St S, Bmg AdminGreat Falls, MT 59405-5183
Fax(406) 731-8318
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJune 16, 2006
Last NPPES UpdateFebruary 17, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2025
✔ NPI 1205870326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in MT · 101047✔ Licensed in NC · 0158620
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1101 26TH ST S, Great Falls, MT 59405

Secondary Practice Locations 2

Location 11 Hospital DrTowanda, PA 18848-9710 · Phone (570) 265-2191
Location 21645 Vandelay Ave Ste 201Helena, MT 59601-3929 · Phone (406) 389-2505

Other Identifiers 2

MedicaidNAN759SC
Medicaid8051965NC

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Michael A. Mahler Crna 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 ID3971588310
PECOS Enrollment IDI20121116000206

Medicare Billing Reassignments

7

Medicare enrollment records show Michael Mahler reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
1101 26TH ST S
Great Falls, MT 59405
  • Reassigned Medicare billing, Montana enrollment
  • 637 clinicians in this Medicare group
Rural Health
214 S MAIN ST
Boulder, MT 59632
  • Reassigned Medicare billing, Montana enrollment
  • 278 clinicians in this Medicare group
Critical Access
1100 HOLLENBACK LANE
Deer Lodge, MT 59722
  • Reassigned Medicare billing, Montana enrollment
  • 30 clinicians in this Medicare group
Anesthesiology
400 S CLARK ST
Butte, MT 59701
  • Reassigned Medicare billing, Montana enrollment
  • 16 clinicians in this Medicare group
Family Medicine
401 S ALABAMA ST, SUITE 6A
Butte, MT 59701
  • Reassigned Medicare billing, Montana enrollment
  • Also billed through NPI 1538597703 (Montana)
  • 81 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
330 TRIPLE TREE RD
Bozeman, MT 59715
  • Reassigned Medicare billing, Montana enrollment
  • 10 clinicians in this Medicare group
Critical Access
30 MT HIGHWAY 91 S
Dillon, MT 59725
  • Reassigned Medicare billing, Montana enrollment
  • Also billed through NPI 1326042078 (Montana)
  • 60 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
43 services43 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59405 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
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
Most-billed visit code 99213
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.

Hospitalist
1101 26TH ST S
GREAT FALLS, MT 59405
Internal Medicine (Clinical Cardiac Electrophysiology)
1101 26TH ST S
GREAT FALLS, MT 59405
Occupational Therapy Assistant
1101 26TH ST S
GREAT FALLS, MT 59405
Pharmacist
1101 26TH ST S
GREAT FALLS, MT 59405
Occupational Therapist
1101 26TH ST S
GREAT FALLS, MT 59405
Neurological Surgery
1101 26TH ST S
GREAT FALLS, MT 59405
Nurse Practitioner (Family)
1101 26TH ST S
GREAT FALLS, MT 59405
Pharmacist
1101 26TH ST S
GREAT FALLS, MT 59405

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 Michael Mahler's NPI number?

The NPI number for Michael Mahler is 1205870326. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is Michael Mahler located?

Michael Mahler practices at 1101 26th St S, Great Falls, MT 59405. The listed phone number is (406) 455-5000.

What is Michael Mahler's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Michael Mahler enrolled in Medicare?

Yes. Michael Mahler 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.

Which organizations bill Medicare for Michael Mahler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mahler reassigns Medicare benefits to 7 organizations: Benefis Hospitals, Inc. (Great Falls, MT), Scl Health Medical Group-Butte LLC (Boulder, MT), Powell County Memorial Hospital Association Inc (Deer Lodge, MT), Anesthesia Consulting Partners PLLC (Butte, MT), Community Hospital Of Anaconda (Butte, MT) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Mahler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Mahler accept?

Health plans from Blue Cross and Blue Shield of Montana, Cigna Healthcare and Mountain Health CO-OP list Michael Mahler 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 Michael Mahler was last updated on February 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.