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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Howard Simons, O.D.

Optometrist in Helena, MT · enumerated 2006 · practices at Montana Eyecare LLP.

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

National Provider Identifier

1699726778

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Registry record

Entity type Individual (Type 1)
Name Dr. William Howard Simons
Credential O.D.
Sex Male
Practice address 550 N Montana Ave, Helena, MT, 59601
Phone (406) 443-2121
Fax (406) 443-4163
Enumeration date May 13, 2006
Last updated in NPPES Jan 24, 2011

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 481 (MT) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
26890 Other MT BLUE CROSS & BLUE SHIELD
0481533 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

How do I verify William Simons's NPI record?
Cross-check NPI 1699726778 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1699726778 active?
Yes, as of the latest NPPES snapshot, NPI 1699726778 is active (record last updated 2011-01-24).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-24.