Karen L Clausing, RPH

Karen L Clausing is a Pharmacist provider (Pharmacist) practicing in Mattoon, IL, registered in the NPPES registry with NPI 1083628242 since 2006. The credential RPH stands for Registered Pharmacist. Practices at Pharmax Inc. (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI	1083628242
Entity type	Individual (Type 1)
Name	Karen L Clausing
Credential	RPH
Sex	Female
Practice address	1221 CHARLESTON AVE, Mattoon, IL, 61938
Phone	2142348881
Enumeration date	2006-07-27
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
183500000X	Pharmacist	Primary	—	IL

RPH — Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential

Copy-ready billing details

Provider: Karen Clausing, RPH
NPI: 1083628242
Taxonomy: 183500000X (Pharmacist)
Address: 1221 CHARLESTON AVE, Mattoon, IL, 61938

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1750395919	David Clausing	Individual	Pharmacist	Mattoon, IL
1487766341	Pharmax Inc.	Organization	Community/Retail Pharmacy	Mattoon, IL

Verify this record

Cross-check NPI 1083628242 against the authoritative CMS record: view Karen L Clausing on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What specialty is Karen Clausing?

Karen Clausing 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.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.