Charles Trevor Crellin, MD - Medicare Orthopedic Surgery in Billings, MT

Charles Trevor Crellin, MD is a medicare enrolled "Orthopaedic Surgery" physician in Billings, Montana. He went to University Of North Dakota School Of Medicine and graduated in 2016 and has 8 years of diverse experience with area of expertise as Orthopedic Surgery. He is a member of the group practice Ortho Montana, Psc and his current practice location is 2900 12th Ave N Ste 140w, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 237-5050.

Charles Trevor Crellin is licensed to practice in Montana (license number 112891) 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 1053773507.

Contact Information

Charles Trevor Crellin, MD
2900 12th Ave N Ste 140w,
Billings, MT 59101-7507
(406) 237-5050
(406) 272-3395

Map and Direction




Physician's Profile

Full NameCharles Trevor Crellin
GenderMale
SpecialityOrthopedic Surgery
Experience8 Years
Location2900 12th Ave N Ste 140w, 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:
  • Charles Trevor Crellin attended and graduated from University Of North Dakota School Of Medicine in 2016
  NPI Data:
  • NPI Number: 1053773507
  • Provider Enumeration Date: 03/23/2016
  • Last Update Date: 08/31/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 0648563981
  • Enrollment ID: I20220914002829

Medical Identifiers

Medical identifiers for Charles Trevor Crellin such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053773507NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery 62849 (Tennessee)Secondary
207X00000XOrthopaedic Surgery 4301110371 (Michigan)Secondary
207X00000XOrthopaedic Surgery 112891 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Vincent HealthcareBillings, MTHospital
Roundup Memorial HealthcareRoundup, MTHospital
Beartooth Billings ClinicRed lodge, MTHospital
Holy Rosary HealthcareMiles city, MTHospital
Pioneer Medical CenterBig timber, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ortho Montana, Psc519362740432

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. Charles Trevor Crellin allows following entities to bill medicare on his behalf.
Entity NameOrtho Montana, Psc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174515878
PECOS PAC ID: 5193627404
Enrollment ID: O20040126000480

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. Charles Trevor Crellin 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
Charles Trevor Crellin, MD
3841 Green Hills Village Dr Ste 200,
Nashville, TN 37215-2691

Ph: () -
Charles Trevor Crellin, MD
2900 12th Ave N Ste 140w,
Billings, MT 59101-7507

Ph: (406) 237-5050

Reviews and Comments


Orthopaedic Surgery Doctors in Billings, MT

Michael C. Willis, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 2702 8th Ave N, Billings, MT 59101
Phone: 406-238-2500    
Dr. Michael Thompson Groover, D.O.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2900 12th Ave N Ste 140w, Billings, MT 59101
Phone: 406-237-5050    Fax: 406-238-6599
David W Shenton Jr., M.D.
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 2900 12th Ave N, #100e, Billings, MT 59101
Phone: 406-238-6700    Fax: 406-238-6734
Lindsey J Beck, DO
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2900 12th Ave N Ste 140w, Billings, MT 59101
Phone: 406-237-5050    Fax: 406-238-6599
Ralph M Costanzo, M.D.
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 2900 12th Ave N, #100e, Billings, MT 59101
Phone: 406-238-6700    Fax: 406-238-6734
Bryon D Hobby, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2702 8th Ave N, Billings, MT 59101
Phone: 406-238-5200    

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.