Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Dennis Ottenstroer, OD
Optometrist in Eagan, MN · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1770588840
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Registry record
Entity type Individual (Type 1)
Name Dr. Dennis Ottenstroer
Credential OD
Sex Male
Practice address 3930 Cedar Grove Pkwy, Eagan, MN, 55122
Phone (651) 454-5661
Fax (651) 454-5669
Enumeration date Jun 16, 2005
Last updated in NPPES Jul 30, 2008
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 491523200 | 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 Dennis Ottenstroer?
The National Provider Identifier (NPI) for Dennis Ottenstroer is 1770588840, a Type 1 (individual) record in the CMS NPPES registry.
Where does Dennis Ottenstroer practice?
The practice location on file with NPPES is in Eagan, 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 2008-07-30.