Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mindy Lynn Harrington, OD

Optometrist in Appleton, WI · enumerated 2019.

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

National Provider Identifier

1689231649

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Registry record

Entity type Individual (Type 1)

Name Mindy Lynn Harrington

Credential OD

Sex Female

Practice address 21 Park Pl, Appleton, WI, 54914

Phone (920) 739-4361

Enumeration date May 24, 2019

Last updated in NPPES Jun 7, 2019

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 4901005235 (MI) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License 3552-35 (WI) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1689231649 active?

Yes, as of the latest NPPES snapshot, NPI 1689231649 is active (record last updated 2019-06-07).

How do I verify Mindy Harrington's NPI record?

Cross-check NPI 1689231649 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Marvin Hall Ophthalmology Physician · Appleton, WI NPI 1285674655 Dean Delwiche Optometrist · Appleton, WI NPI 1669417135 Micheal Vrabec Ophthalmology Physician · Appleton, WI NPI 1407883838 James Syverud Ophthalmology Physician · Appleton, WI NPI 1750319448 Melissa Metzger-Romatz Optometrist · Appleton, WI NPI 1952330714 F.Jeanne Sengstock Optometrist · Appleton, WI NPI 1902838998 Elizabeth Melchert Optometrist · Appleton, WI NPI 1992739171 Valley Eye Associates Optometrist · Appleton, WI NPI 1699789032

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-07.