Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joe Lettenberger, RPH

Pharmacist in Ripon, WI · enumerated 2010.

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

National Provider Identifier

1124342704

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Registry record

Entity type Individual (Type 1)

Name Joe Lettenberger

Credential RPH

Sex Male

Practice address 328 Watson St, Ripon, WI, 54971

Phone (920) 748-5174

Fax (920) 748-2066

Enumeration date Mar 25, 2010

Last updated in NPPES Mar 25, 2010

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 7750 (WI) Primary

RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH 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 Joe Lettenberger?

Joe Lettenberger 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.

Other providers at this practice address

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Ripon Drug Management Enterprises Inc Community/Retail Pharmacy · Ripon, WI NPI 1194804872 Kelly Field Pharmacist · Ripon, WI NPI 1982928743 David Duehring Pharmacist · Ripon, WI NPI 1316261928 Kathyrn Thomsen Pharmacist · Ripon, WI NPI 1922322528 Bailey Patterson Pharmacist · Ripon, WI NPI 1710302435 Connor Hanson Pharmacist · Ripon, WI NPI 1396292736 Ripon Drug Management Enterprises Inc Long Term Care Pharmacy · Ripon, WI NPI 1124807250

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-25.