Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ryback Cyzr Olay Lomboy, PHARM.D.

Pharmacist in Mauston, WI · enumerated 2023.

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

National Provider Identifier

1902584956

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Registry record

Entity type Individual (Type 1)

Name Dr. Ryback Cyzr Olay Lomboy

Credential PHARM.D.

Sex Male

Practice address 406 Gateway Ave, Mauston, WI, 53948

Phone (608) 847-5949

Fax (608) 847-5199

Enumeration date Jul 10, 2023

Last updated in NPPES Feb 27, 2025

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 22858-40 (WI) Primary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD 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

What specialty is Ryback Cyzr Lomboy?

Ryback Cyzr Lomboy is registered in NPPES with the primary taxonomy of Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-27.