Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Timothy J Oyer, RPH
Pharmacist in Litchfield, IL · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588183594
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Registry record
Entity type Individual (Type 1)
Name Dr. Timothy J Oyer
Credential RPH
Sex Male
Practice address 1202 W Union Ave, Litchfield, IL, 62056
Phone (217) 324-7670
Enumeration date Sep 12, 2017
Last updated in NPPES Sep 12, 2017
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Timothy Oyer?
The National Provider Identifier (NPI) for Timothy Oyer is 1588183594, a Type 1 (individual) record in the CMS NPPES registry.
Where does Timothy Oyer practice?
The practice location on file with NPPES is in Litchfield, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Walgreen Co Pharmacy · Litchfield, IL NPI 1548467996 Kelly Blotevogel Albrecht Pharmacist · Litchfield, IL NPI 1629366729 Debra Miller Pharmacist · Litchfield, IL NPI 1598048209 Scott Katich Pharmacist · Litchfield, IL NPI 1992088694 Josie Ring Pharmacist · Litchfield, IL NPI 1780244814 Walgreen Co. Clinical Medical Laboratory · Litchfield, IL NPI 1386382760
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-09-12.