Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Donald Ritter, RPH
Pharmacist in Atoka, OK · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053920942
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Registry record
Entity type Individual (Type 1)
Name Donald Ritter
Credential RPH
Sex Male
Practice address 744 S Mississippi Ave Ste A, Atoka, OK, 74525
Phone (580) 889-0230
Fax (580) 889-3060
Enumeration date Jul 27, 2020
Last updated in NPPES Jul 27, 2020
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 Donald Ritter?
The National Provider Identifier (NPI) for Donald Ritter is 1053920942, a Type 1 (individual) record in the CMS NPPES registry.
Where does Donald Ritter practice?
The practice location on file with NPPES is in Atoka, OK. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-27.