Terrence J Cahill, MD - Medicare Physical Medicine And Rehabilitation in Billings, MT

Terrence J Cahill, MD is a medicare enrolled "Physical Medicine & Rehabilitation" physician in Billings, Montana. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 2006 and has 18 years of diverse experience with area of expertise as Physical Medicine And Rehabilitation. He is a member of the group practice Billings Clinic and his current practice location is 801 N 29th St, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 238-2500.

Terrence J Cahill is licensed to practice in Montana (license number 12375) 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 1528382603.

Contact Information

Terrence J Cahill, MD
801 N 29th St,
Billings, MT 59101-0905
(406) 238-2500
Not Available

Map and Direction




Physician's Profile

Full NameTerrence J Cahill
GenderMale
SpecialityPhysical Medicine And Rehabilitation
Experience18 Years
Location801 N 29th St, Billings, 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:
  • Terrence J Cahill attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2006
  NPI Data:
  • NPI Number: 1528382603
  • Provider Enumeration Date: 03/18/2010
  • Last Update Date: 02/22/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0042402398
  • Enrollment ID: I20101005001298

Medical Identifiers

Medical identifiers for Terrence J Cahill such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528382603NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208100000XPhysical Medicine & Rehabilitation 036121926 (Illinois)Secondary
208100000XPhysical Medicine & Rehabilitation 12375 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Billings ClinicBillings, MTHospital
St Vincent HealthcareBillings, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Billings Clinic6002993516677

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. Terrence J Cahill allows following entities to bill medicare on his behalf.
Entity NameBillings Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326104845
PECOS PAC ID: 6002993516
Enrollment ID: O20080430000212

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. Terrence J Cahill 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
Terrence J Cahill, MD
Po Box 35100,
Billings, MT 59107-5100

Ph: (406) 238-2500
Terrence J Cahill, MD
801 N 29th St,
Billings, MT 59101-0905

Ph: (406) 238-2500

Reviews and Comments


Physical Medicine & Rehabilitation Doctors in Billings, MT

Blackshear Morrison Bryan, MD
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 1233 N 30th St, Billings, MT 59101
Phone: 406-237-7125    Fax: 406-237-7190
Dr. Gregg L Singer, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 1643 Lewis Ave, Suite 7, Billings, MT 59102
Phone: 406-655-0980    Fax: 406-294-0967
Jeffrey Smith,
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 1313 Grand Ave Ste 5, Billings, MT 59102
Phone: 406-534-1066    
Michael Henry Schabacker, MD
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 2900 12th Ave N, Suite 335w, Billings, MT 59101
Phone: 406-237-8808    Fax: 406-238-6151
Josiah Engebretson, DPT
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 2900 12th Ave N Ste 140w, Billings, MT 59101
Phone: 406-237-5050    Fax: 406-272-3395
Theresa Renee Henry,
Physical Medicine & Rehabilitation
Medicare: Not Enrolled in Medicare
Practice Location: 600 S 27th St, Billings, MT 59101
Phone: 406-259-8000    

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).

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