Lawrence John Iwersen, MD - Medicare Orthopedic Surgery in Kalispell, MT

Lawrence John Iwersen, MD is a medicare enrolled "Orthopaedic Surgery" physician in Kalispell, Montana. He went to Creighton University School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Orthopedic Surgery. He is a member of the group practice Kalispell Regional Medical Center Inc and his current practice location is 111 Sunnyview Ln, Kalispell, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 752-7900.

Lawrence John Iwersen is licensed to practice in Montana (license number 6325) 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 1013028950.

Contact Information

Lawrence John Iwersen, MD
111 Sunnyview Ln,
Kalispell, MT 59901-3164
(406) 752-7900
(406) 257-0253

Map and Direction




Physician's Profile

Full NameLawrence John Iwersen
GenderMale
SpecialityOrthopedic Surgery
Experience41 Years
Location111 Sunnyview Ln, Kalispell, 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:
  • Lawrence John Iwersen attended and graduated from Creighton University School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1013028950
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 11/27/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3072588284
  • Enrollment ID: I20101018001202

Medical Identifiers

Medical identifiers for Lawrence John Iwersen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013028950NPI-NPPES
0077285MedicaidMT
000096010OtherMTBLUE CROSS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery 6325 (Montana)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kalispell Regional Medical Center Inc5294644381363

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. Lawrence John Iwersen allows following entities to bill medicare on his behalf.
Entity NameKalispell Regional Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235333139
PECOS PAC ID: 5294644381
Enrollment ID: O20031122000142
Entity NameNorthwest Orthopedics And Sports Medicine Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184679391
PECOS PAC ID: 1153336797
Enrollment ID: O20060217000413
Entity NameKalispell Regional Medical Center Inc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1912945544
PECOS PAC ID: 5294644381
Enrollment ID: O20170809001661

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. Lawrence John Iwersen 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
Lawrence John Iwersen, MD
111 Sunnyview Ln,
Kalispell, MT 59901-3164

Ph: (406) 752-7900
Lawrence John Iwersen, MD
111 Sunnyview Ln,
Kalispell, MT 59901-3164

Ph: (406) 752-7900

Reviews and Comments


Orthopaedic Surgery Doctors in Kalispell, MT

Parley Kurt Thorderson, MD
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 350 Heritage Way, Suite 1200, Kalispell, MT 59901
Phone: 406-752-6784    Fax: 406-756-4111
Kim D Stimpson, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 350 Heritage Way, Suite 1200, Kalispell, MT 59901
Phone: 406-752-6784    Fax: 406-756-4111
Dr. Benjamin D Ward, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 350 Heritage Way Ste 1200, Kalispell, MT 59901
Phone: 406-752-6784    Fax: 406-756-4111
Dr. Joseph Henry Bergman, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 111 Sunnyview Ln, Kalispell, MT 59901
Phone: 406-752-7900    
Albert David Olszewski, M.D.
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 111 Sunnyview Ln, Kalispell, MT 59901
Phone: 406-752-7900    Fax: 406-257-0253
Nathaniel Wilcox Fogel, MD, MS
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 350 Heritage Way Ste 1200, Kalispell, MT 59901
Phone: 406-752-6784    Fax: 406-756-4111

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.