Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ralph C Witmer III, PHARM.D.
Pharmacist in Mesa, AZ · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386913804
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Registry record
Entity type Individual (Type 1)
Name Dr. Ralph C Witmer III
Credential PHARM.D.
Sex Male
Practice address 9243 E Baseline Rd, Mesa, AZ, 85209
Phone (480) 986-4660
Fax (480) 986-4697
Enumeration date Dec 29, 2011
Last updated in NPPES May 27, 2015
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Ralph Witmer?
The National Provider Identifier (NPI) for Ralph Witmer is 1386913804, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ralph Witmer practice?
The practice location on file with NPPES is in Mesa, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-27.