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Walter G Graves, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Kalispell, MT · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1134156276

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Registry record

Entity type Individual (Type 1)
Name Walter G Graves
Credential M.D.
Sex Male
Practice address 350 Heritage Way Ste 2100, Kalispell, MT, 59901
Phone (406) 257-8992
Fax (406) 257-8996
Enumeration date Jun 26, 2006
Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

208G00000X Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Allopathic & Osteopathic Physicians · License 9829 (MT) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
0066827 Medicaid MT -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Walter Graves?
The National Provider Identifier (NPI) for Walter Graves is 1134156276, a Type 1 (individual) record in the CMS NPPES registry.
Where does Walter Graves practice?
The practice location on file with NPPES is in Kalispell, MT. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.