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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. DEAN HARVEY O'BRIEN DDS
NPI 1538157490
Dentist - General Practice in Omaha, NE

Active since October 13, 2005
2526 S 140TH ST, OMAHA, NE 68144(402) 333-6080(402) 333-5024 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Dean Harvey O'brien Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DEAN HARVEY O'BRIEN DDS (NPI 1538157490) is an individual general practice provider in Omaha, Nebraska, licensed in Nebraska (4335) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1538157490
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. DEAN HARVEY O'BRIENCredential: DDS
Location Address2526 S 140TH STOmaha, NE 68144-2339
Mailing Address2526 S 140th StOmaha, NE 68144-2339 · (402) 333-6080 · Fax (402) 333-5024
Phone(402) 333-6080
Fax(402) 333-5024
Sole ProprietorNo
Enumeration DateOctober 13, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1538157490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in NE · 4335
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
2526 S 140TH ST, Omaha, NE 68144
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Other Identifiers 1

Medicaid47064792900NE

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN FRANK SEMINARA DDS
Dentist
2526 S 140TH ST, JOHN F SEMINARA DDS
OMAHA, NE 68144
Douglas County (402) 333-6080
DR. DYLAN CHRISTOPHER GAILLARD DDS
Dentist
2526 S 140TH ST
OMAHA, NE 68144
Douglas County (402) 333-6080

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dean O'brien's NPI number?

The NPI number for Dean O'brien is 1538157490. It was assigned to this individual provider in the NPPES registry on October 13, 2005.

Where is Dean O'brien located?

Dean O'brien practices at 2526 S 140th St, Omaha, NE 68144. The listed phone number is (402) 333-6080.

What is Dean O'brien's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Dean O'brien was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.