John Waldron Mccahan, MD - Medicare Rheumatology in Bozeman, MT

John Waldron Mccahan, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Bozeman, Montana. He went to Temple University School Of Medicine and graduated in 2003 and has 21 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Bozeman Health Deaconess Hospital and his current practice location is 931 Highland Blvd Ste 3260, Bozeman, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 414-5198.

John Waldron Mccahan is licensed to practice in Montana (license number 12743) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1144319922.

Contact Information

John Waldron Mccahan, MD
931 Highland Blvd Ste 3260,
Bozeman, MT 59715-6907
(406) 414-5198
Not Available

Map and Direction




Physician's Profile

Full NameJohn Waldron Mccahan
GenderMale
SpecialityRheumatology
Experience21 Years
Location931 Highland Blvd Ste 3260, Bozeman, Montana
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John Waldron Mccahan attended and graduated from Temple University School Of Medicine in 2003
  NPI Data:
  • NPI Number: 1144319922
  • Provider Enumeration Date: 10/12/2006
  • Last Update Date: 07/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5597762419
  • Enrollment ID: I20111201000599

Medical Identifiers

Medical identifiers for John Waldron Mccahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144319922NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 12743 (Montana)Secondary
207RR0500XInternal Medicine - Rheumatology 12743 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Bozeman Health Deaconess HospitalBozeman, MTHospital
Livingston HealthcareLivingston, MTHospital
St James HealthcareButte, MTHospital
St Peters HospitalHelena, MTHospital
Community Hospital Of AnacondaAnaconda, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bozeman Health Deaconess Hospital4688984164233

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John Waldron Mccahan allows following entities to bill medicare on his behalf.
Entity NameBozeman Health Deaconess Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619347390
PECOS PAC ID: 4688984164
Enrollment ID: O20151112002559

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John Waldron Mccahan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John Waldron Mccahan, MD
931 Highland Blvd Ste 3260,
Bozeman, MT 59715-6907

Ph: (406) 414-5198
John Waldron Mccahan, MD
931 Highland Blvd Ste 3260,
Bozeman, MT 59715-6907

Ph: (406) 414-5198

Reviews and Comments


Internal Medicine Doctors in Bozeman, MT

Dr. Melissa Rae Reily, M.D.
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Phone: 406-414-3959    
Mary D O'rourke, MD
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Phone: 406-414-5000    
Dr. Steven Lyle Rowley Shaneyfelt, MD
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Practice Location: 931 Highland Blvd, #3350, Bozeman, MT 59715
Phone: 406-586-3309    Fax: 406-522-8498

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.