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John Mahan III MD in Great Falls, Montana

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John Mahan III MD has Internal Medicine as his primary medical specialty. Their primary office is: 1101 26th St S in Great Falls, Montana.

They're a part of the: Benefis Hospitals Inc medical group which has around 295 members. You can call their office at 406-455-5000 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended University Of New Mexico School Of Medicine and graduated in 1989 (around 35 years of experience). They are not listed as doing telehealth appointments, but this may have changed. It can't hurt to call and check. If anything it may encourage them to make them available if they are not currently.


John W Mahan III MD Office Phone and Directions

John Mahan III MD
Benefis Hospitals Inc
1101 26th St S
Great Falls, Montana 59405
406-455-5000


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Phone: 406-455-5000


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Healthcare Info for John Mahan III MD

Medical School: University Of New Mexico School Of Medicine
Graduation Year: 1989
The Primary Medical Specialty for John Mahan III MD is listed as: Internal Medicine
Credentials: MD
Additional Credentials:
Approximate Years of Experience: 35
PAC (PECOS ID)#: 0244336261
NPI #: 1346241296
NPI Created On: 08/02/2005
NPI Last Updated Listed as: 07/21/2022
Primary Taxonomy Code: 207R00000X
License Number:
7173
Listed Gender: Male

Insurance, Services, Charges


Forms of insurance accepted by include, but are not limited to:

  • Blue Cross Blue Shield
  • Montana Health Cooperative
  • PacificSource Health Plans
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: English.


Services and Procedures include:

  1. Initial hospital inpatient care, typically 70 minutes per day
  2. Subsequent hospital inpatient care, typically 15 minutes per day
  3. Subsequent hospital inpatient care, typically 25 minutes per day
  4. Subsequent hospital inpatient care, typically 35 minutes per day

They took part in the Medicare Physician Quality Reporting System (PQRS).

Internal Medicine Professionals in Great Falls

3010 15th Ave S
Great-falls, MT
Cmsc, Llc

1101 26th St S
Great-falls, MT
Cogent Healthcare Of Montana P C

1401 25th St S
Great-falls, MT
Benefis Hospitals Inc

1130 17th Ave S
Great-falls, MT
Chess Medicine Pllc

1101 26th St S
Great-falls, MT
Benefis Hospitals Inc

1101 26th St S
Great-falls, MT
Benefis Hospitals Inc

Providers in Benefis Hospitals Inc

1.Thomas Addison

1101 26th St S
Great Falls Mt 59405-5161
Benefis Hospitals Inc
Internal Medicine

2.Thomas Addison

1401 25th St S
Great Falls Mt 59405-5183
Benefis Hospitals Inc
Internal Medicine

3.Thomas Addison

30 13th St
Havre Mt 59501-5222
Benefis Hospitals Inc
Internal Medicine

4.Thomas Addison

55 W 14th St
Helena Mt 59601-3387
Benefis Hospitals Inc
Internal Medicine

5.Thomas Addison

2960 N Washington St
Helena Mt 59602-1210
Benefis Hospitals Inc
Internal Medicine

6.Vijay Agarwal

1101 26th St S
Great Falls Mt 59405-5161
Benefis Hospitals Inc
Gastroenterology

View all 295 members of Benefis Hospitals Inc medical group