Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Aaron Michael Olstein, O.D.
Optometrist in Bear, DE · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124281225
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Registry record
Entity type Individual (Type 1)
Name Dr. Aaron Michael Olstein
Credential O.D.
Sex Male
Practice address 1237 Quintilio Dr, Bear, DE, 19701
Phone (302) 838-0800
Fax (302) 838-1644
Enumeration date Jul 8, 2008
Last updated in NPPES Jun 18, 2026
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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
Where does Aaron Olstein practice?
The practice location on file with NPPES is in Bear, DE. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Aaron Olstein?
The National Provider Identifier (NPI) for Aaron Olstein is 1124281225, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Halpern Eye Associates, P. A. Optometrist · Bear, DE NPI 1275662165 Halpern Medical Services LLC Ophthalmology Physician · Bear, DE NPI 1740470764 Myeyedr Optometry of Delaware PA Optometrist · Bear, DE NPI 1871962613 Carine Tata Optometrist · Bear, DE NPI 1821591355 Kaelyn Adams Optometrist · Bear, DE NPI 1619600798
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-18.