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.

Alexander Ou, MD — NPI 1649666256, Arlington Heights, IL | NPI Central

Home/
NPI Lookup/
IL/
NPI 1649666256

IndividualActive

Alexander Ou, MD

NPI 1649666256 · Neurology Physician · Arlington Heights, IL

Provider details

NPI number: 1649666256
Entity type: Individual
Primary specialty: Neurology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: S8226 (TX)

Specialties & taxonomies

Neurology PhysicianPrimary2084N0400XLicense 036170404 (IL)
Allopathic & Osteopathic Physicians
Neurology Physician2084N0400XLicense S8226 (TX)
Allopathic & Osteopathic Physicians

Practice location

880 W Central Rd Ste 7200

Arlington Heights, IL 60005-2382

Phone: (847) 618-4430

Approximate (ZIP-level) locationGet directions

More IL providers

Mailing address

880 W Central Rd Ste 7200

Arlington Heights, IL 60005-2382

Additional practice locations (4)

5001 E Sam Houston Pkwy S
Pasadena, TX 77505-3965
Phone: (713) 442-7100
2515 Business Center Dr
Pearland, TX 77584-2294
Phone: (713) 442-7200
500 W Medical Center Blvd
Webster, TX 77598-4220
Phone: (251) 128-1332
1010 S Ponds Dr
Webster, TX 77598-1409
Phone: (713) 442-4300

Registry dates

Enumerated: 2015-04-09
Last updated: 2024-05-29
Certified: 2024-05-29

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