DR. OSCAR LUIS ALONSO M.D. NPI 1447285739

NPI Information

  • NPI: 1447285739
  • Provider Name: DR. OSCAR LUIS ALONSO, M.D.
  • Classification: Specialist - 174400000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 1121 WARREN AVE
    STE 200
    DOWNERS GROVE, IL
    ZIP 60515
  • Phone: (630) 960-5310

Map and Directions

Get Directions

NPI Details

DR. Oscar Luis Alonso, M.D. is a specialist in Downers Grove, IL. The provider is an individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree. DR. Oscar Luis Alonso, M.D. NPI is 1447285739. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

1121 WARREN AVE
STE 200
DOWNERS GROVE, IL
ZIP 60515-572
Phone: (630) 960-5310
Fax: (630) 969-7841

The NPI 1447285739 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Removal of impacted ear wax (HCPCS:69210)
  • Comprehensive hearing and speech recognition test (HCPCS:92557)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • Placement of ear probe for computerized measurement of repeated sounds with interpretation and report (HCPCS:92588)
  • Test to assess defects in adaption to sounds (HCPCS:92563)
  • Comprehensive hearing test (HCPCS:92570)
  • Evaluation of brain response to sound for determination of hearing status with interpretation and report (HCPCS:92651)

The enumeration date for this NPI number is 7/12/2006 and was last updated on 4/16/2021.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1174400000XSpecialist036064967ILLINOISYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1036064967OTHERILLINOISIL STATE LICENSE NUMBER
231602726OTHERILLINOISBLUE CROSS BLUE SHIELD
3036064967MEDICAIDILLINOIS

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.