IndividualActive
Alejandro Ong, M.D.
NPI 1326174863 · Internal Medicine Physician · Elgin, IL
Provider details
- NPI number
- 1326174863
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Mailing address
2316 Castilian Cir
Northbrook, IL 60062-7615
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.