Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert Krone, OD

Optometrist in Longmont, CO · enumerated 2006.

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

National Provider Identifier

1841253853

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert Krone

Credential OD

Sex Male

Practice address 1400 Dry Creek Dr, Longmont, CO, 80503

Phone (303) 772-3300

Fax (303) 682-3380

Enumeration date Apr 10, 2006

Last updated in NPPES Jun 6, 2018

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 2516 (CO) 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
89675347	Medicaid	CO	-

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 1841253853 active?

Yes, as of the latest NPPES snapshot, NPI 1841253853 is active (record last updated 2018-06-06).

How do I verify Robert Krone's NPI record?

Cross-check NPI 1841253853 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-06-06.