A fast, free, no-login way to look up any U.S. healthcare provider in the federal NPPES registry.

Lookups

NPI Lookup
NPI Registry
By Specialty
By State

Resources

Guides
For Providers / API
Data Sources
About

Legal

Privacy
Terms
Correct a record

Data is sourced from the public NPPES (National Plan and Provider Enumeration System) registry published by CMS. NPI Central is not affiliated with, or endorsed by, CMSor any healthcare provider. Information is provided “as is” for general reference and is not medical advice.

FCRA notice: NPI Central is not a consumer reporting agency. This information may not be used to determine eligibility for employment, credentialing, insurance, or any other purpose covered by the Fair Credit Reporting Act.

© 2026 NPI Central. All rights reserved.

Allison Grennan, PHD — NPI 1295013175, Omaha, NE | NPI Central

Home/
NPI Lookup/
NE/
NPI 1295013175

IndividualActive

Allison Grennan, PHD

NPI 1295013175 · Psychologist · Omaha, NE

Provider details

NPI number: 1295013175
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Female
Sole proprietor: No
License: 840 (NE)

Practice location

444 S 44th St

Omaha, NE 68131-3727

Phone: (402) 559-6408

Fax: (402) 559-5737

More NE providers

Mailing address

988102 Nebraska Medical Ctr

Omaha, NE 68198-8102

Registry dates

Enumerated: 2011-07-27
Last updated: 2014-11-04

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.