Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Rheda Sue Gerlock, O.D.

Optometrist in Aurora, CO · enumerated 2006.

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

National Provider Identifier

1851340889

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Registry record

Entity type Individual (Type 1)

Name Dr. Rheda Sue Gerlock

Credential O.D.

Sex Female

Practice address 1550 S Potomac St, 155, Aurora, CO, 80012

Phone (303) 369-1020

Fax (303) 369-1022

Enumeration date May 8, 2006

Last updated in NPPES Mar 31, 2023

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 1215 (CO) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License OPT.0001215 (CO) 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 1851340889 active?

Yes, as of the latest NPPES snapshot, NPI 1851340889 is active (record last updated 2023-03-31).

How do I verify Rheda Gerlock's NPI record?

Cross-check NPI 1851340889 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 2023-03-31.