Walter A Lajara-nanson, MD - Medicare Neurology in Great Falls, MT

Walter A Lajara-nanson, MD is a medicare enrolled "Psychiatry & Neurology - Neurology" physician in Great Falls, Montana. He graduated from medical school in 1991 and has 33 years of diverse experience with area of expertise as Neurology. He is a member of the group practice Benefis Hospitals Inc and his current practice location is 1401 25th Street South, 3rd Floor, Great Falls, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 731-8888.

Walter A Lajara-nanson is licensed to practice in Montana (license number 75041) 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 1528050283.

Contact Information

Walter A Lajara-nanson, MD
1401 25th Street South, 3rd Floor,
Great Falls, MT 59405-5183
(406) 731-8888
(406) 731-8876

Map and Direction




Physician's Profile

Full NameWalter A Lajara-nanson
GenderMale
SpecialityNeurology
Experience33 Years
Location1401 25th Street South, Great Falls, 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:
  • Walter A Lajara-nanson graduated from medical school in 1991
  NPI Data:
  • NPI Number: 1528050283
  • Provider Enumeration Date: 08/18/2005
  • Last Update Date: 04/05/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1951335736
  • Enrollment ID: I20190508001580

Medical Identifiers

Medical identifiers for Walter A Lajara-nanson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528050283NPI-NPPES
100056860AMedicaidOK

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology L4510 (Texas)Secondary
2084N0400XPsychiatry & Neurology - Neurology 75041 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Benefis Hospitals IncGreat falls, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Benefis Hospitals Inc1153235296288

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. Walter A Lajara-nanson allows following entities to bill medicare on his behalf.
Entity NameBenefis Hospitals Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780968974
PECOS PAC ID: 1153235296
Enrollment ID: O20100629000044

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. Walter A Lajara-nanson 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
Walter A Lajara-nanson, MD
1401 25th Street South, 3rd Floor,
Great Falls, MT 59405-5183

Ph: (406) 731-8888
Walter A Lajara-nanson, MD
1401 25th Street South, 3rd Floor,
Great Falls, MT 59405-5183

Ph: (406) 731-8888

Reviews and Comments


Psychiatry & Neurology Doctors in Great Falls, MT

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Patricia Ann Calkin, MD
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Practice Location: 1101 26th St S, Great Falls, MT 59405
Phone: 406-731-8888    Fax: 406-731-8876

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.