Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Tammy J Cox, PHARMD
Pharmacist in South Sioux City, NE · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1316452485
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Registry record
Entity type Individual (Type 1)
Name Dr. Tammy J Cox
Credential PHARMD
Sex Female
Practice address 1601 Cornhusker Dr, South Sioux City, NE, 68776
Phone (402) 494-8850
Fax (402) 494-8864
Enumeration date Dec 11, 2017
Last updated in NPPES Dec 11, 2017
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
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.
What specialty is Tammy Cox?
Tammy Cox 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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-12-11.