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Dr. Earl E Book, M.D.

Family Medicine Physician in Helena, MT · enumerated 2005.

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

National Provider Identifier

1265433700

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Registry record

Entity type Individual (Type 1)
Name Dr. Earl E Book
Credential M.D.
Sex Male
Practice address 3330 Ptarmigan Ln, Helena, MT, 59602
Phone (406) 457-4180
Enumeration date Aug 9, 2005
Last updated in NPPES Mar 8, 2017

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 5316 (MT) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

How do I verify Earl Book's NPI record?
Cross-check NPI 1265433700 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1265433700 active?
Yes, as of the latest NPPES snapshot, NPI 1265433700 is active (record last updated 2017-03-08).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-03-08.