James C Larsen, MD - Medicare Emergency Medicine in Sundance, WY

James C Larsen, MD is a medicare enrolled "Family Medicine" physician in Sundance, Wyoming. He went to Creighton University School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Crook County Medical Services District and his current practice location is 713 Oak St., Sundance, Wyoming. You can reach out to his office (for appointments etc.) via phone at (307) 283-3501.

James C Larsen is licensed to practice in Wyoming (license number 4487A) 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 1760528855.

Contact Information

James C Larsen, MD
713 Oak St.,
Sundance, WY 82729-0517
(307) 283-3501
(307) 283-2255

Map and Direction




Physician's Profile

Full NameJames C Larsen
GenderMale
SpecialityEmergency Medicine
Experience41 Years
Location713 Oak St., Sundance, Wyoming
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:
  • James C Larsen attended and graduated from Creighton University School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1760528855
  • Provider Enumeration Date: 01/29/2007
  • Last Update Date: 08/09/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 8921997214
  • Enrollment ID: I20151103002445

Medical Identifiers

Medical identifiers for James C Larsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760528855NPI-NPPES
810542541OtherMTCOMMERCIAL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 4487A (Wyoming)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Crook County HospitalSundance, WYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Crook County Medical Services District92340324838

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. James C Larsen allows following entities to bill medicare on his behalf.
Entity NameCrook County Medical Services District
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871660159
PECOS PAC ID: 9234032483
Enrollment ID: O20040127001018

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. James C Larsen 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
James C Larsen, MD
Po Box 517,
Sundance, WY 82729-0517

Ph: (307) 283-3501
James C Larsen, MD
713 Oak St.,
Sundance, WY 82729-0517

Ph: (307) 283-3501

Reviews and Comments


Family Medicine Doctors in Sundance, WY

Jeremi Villano, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 713 Oak Street, Sundance, WY 82729
Phone: 307-283-2476    Fax: 307-283-2489

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.