Ryan Murphy Callahan, - Medicare Physician Assistant in Billings, MT

Ryan Murphy Callahan, is a medicare enrolled "Physician Assistant" in Billings, Montana. His current practice location is 801 N 29th St, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (701) 360-5239.

Ryan Murphy Callahan is licensed to practice in * (Not Available) (license number ) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1871201855.

Contact Information

Ryan Murphy Callahan,
801 N 29th St,
Billings, MT 59101-0905
(701) 360-5239
Not Available

Map and Direction




Provider's Profile

Full NameRyan Murphy Callahan
GenderMale
SpecialityPhysician Assistant
Location801 N 29th St, Billings, Montana
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1871201855
  • Provider Enumeration Date: 11/09/2022
  • Last Update Date: 03/22/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1658741772
  • Enrollment ID: I20230106001637

Medical Identifiers

Medical identifiers for Ryan Murphy Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871201855NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant (* (Not Available))Primary

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. Ryan Murphy Callahan 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
Ryan Murphy Callahan,
Po Box 35100,
Billings, MT 59107-5100

Ph: () -
Ryan Murphy Callahan,
801 N 29th St,
Billings, MT 59101-0905

Ph: (701) 360-5239

Reviews and Comments


Physician Assistant Nurses in Billings, MT

Kirk Kenfield, PA
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Alexander Ramsey, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Kaitlyn Steele, PA-C
Physician Assistant
Medicare: May Accept Medicare Assignments
Practice Location: 1611 Zimmerman Trl, Billings, MT 59102
Phone: 406-248-3607    
Trenay Hart, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 1233 N 30th St, Billings, MT 59101
Phone: 406-237-4141    Fax: 406-237-4126
Melanie Schmitz, PA-C
Physician Assistant
Medicare: Medicare Enrolled
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Jamaica Rachel Moore, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 801 North 29th Street, Billings Clinic, Billings, MT 59101
Phone: 406-238-2410    
Kortney Ann Gaughan, PA-C
Physician Assistant
Medicare: Medicare Enrolled
Practice Location: 2900 12th Ave N Ste 160w, Billings, MT 59101
Phone: 406-237-4580    

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.