Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Joseph David Ernster, RPH
Pharmacist in Saint Paul, MN · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1306311527
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Registry record
Entity type Individual (Type 1)
Name Joseph David Ernster
Credential RPH
Sex Male
Practice address 720 Snelling Ave N, Saint Paul, MN, 55104
Phone (651) 645-8636
Enumeration date Oct 4, 2018
Last updated in NPPES Oct 4, 2018
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
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 Joseph Ernster?
Joseph Ernster 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
Browse all → Ronald Johnson Pharmacist · Saint Paul, MN NPI 1689747628 Alchemist General Inc Community/Retail Pharmacy · Saint Paul, MN NPI 1447323480 Richard Mann Pharmacist · Saint Paul, MN NPI 1699092569 Alison Cook Pharmacist · Saint Paul, MN NPI 1952733966 John Pittman Pharmacist · Saint Paul, MN NPI 1114404860 Alchemist General Inc Community/Retail Pharmacy · Saint Paul, MN NPI 1942875315 Mark Stage Pharmacist · Saint Paul, MN NPI 1861153124
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-10-04.