Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jeffrey E Oneil, DDS
Dentist in Richfield, MN · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578546552
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Registry record
Entity type Individual (Type 1)
Name Dr. Jeffrey E Oneil
Credential DDS
Sex Male
Practice address 6945 Penn Ave S, Ste 101, Richfield, MN, 55423
Phone (612) 866-2233
Fax (612) 866-2341
Enumeration date Nov 23, 2005
Last updated in NPPES Aug 23, 2016
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 140357500 | Medicaid | MN | - |
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 Jeffrey Oneil?
The National Provider Identifier (NPI) for Jeffrey Oneil is 1578546552, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jeffrey Oneil practice?
The practice location on file with NPPES is in Richfield, MN. 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 2016-08-23.