Dr Troy R Stiles, DO - Medicare Psychiatry in Billings, MT

Dr Troy R Stiles, DO is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Billings, Montana. He went to Midwestern University, Chicago College Of Osteopathic Med and graduated in 2001 and has 23 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice Big Sky Psychiatric Services Pc and his current practice location is 820 Division St, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 294-5225.

Dr Troy R Stiles is licensed to practice in Montana (license number 12326) 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 1437122207.

Contact Information

Dr Troy R Stiles, DO
820 Division St,
Billings, MT 59101-2049
(406) 294-5225
(406) 294-5226

Map and Direction




Physician's Profile

Full NameDr Troy R Stiles
GenderMale
SpecialityPsychiatry
Experience23 Years
Location820 Division 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:
  • Dr Troy R Stiles attended and graduated from Midwestern University, Chicago College Of Osteopathic Med in 2001
  NPI Data:
  • NPI Number: 1437122207
  • Provider Enumeration Date: 02/10/2006
  • Last Update Date: 04/01/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 4789700881
  • Enrollment ID: I20100927000613

Medical Identifiers

Medical identifiers for Dr Troy R Stiles such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1437122207NPI-NPPES
P00915579OtherMTRAILROAD MEDICARE
1437122207MedicaidMT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 02002661A (Indiana)Secondary
2084P0800XPsychiatry & Neurology - Psychiatry 12326 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Billings ClinicBillings, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Big Sky Psychiatric Services Pc49817200832

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. Dr Troy R Stiles allows following entities to bill medicare on his behalf.
Entity NameBig Sky Psychiatric Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124346986
PECOS PAC ID: 4981720083
Enrollment ID: O20100927000568

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. Dr Troy R Stiles 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
Dr Troy R Stiles, DO
Po Box 21457,
Billings, MT 59104-1457

Ph: (406) 294-5225
Dr Troy R Stiles, DO
820 Division St,
Billings, MT 59101-2049

Ph: (406) 294-5225

Reviews and Comments


Psychiatry & Neurology Doctors in Billings, MT

James Frederick Richards, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 1233 N 30th St, Billings, MT 59101
Phone: 406-237-3850    Fax: 406-237-3855
Tiffany White, D.O.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 2800 10th Ave N, Billings, MT 59101
Phone: 406-238-2500    
Dr. Alfred Estin Avery, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 2807 1st Ave N, Billings, MT 59101
Phone: 406-896-0483    Fax: 406-259-9479
Martha Lorena Cruz, DO
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Dale M. Peterson, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 2825 8th Ave N, Billings, MT 59101
Phone: 406-238-2500    
Christopher Evan Stewart,
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
John G. Denegre, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1020 N 27th St, Billings, MT 59101
Phone: 406-238-2500    

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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