Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. MARC I OSTER, PSY.D.

Active Sole Proprietor

DR. MARC I OSTER, PSY.D. is a Psychologist healthcare provider located in DEERFIELD, Illinois. NPI 1114069093 is currently active in the NPPES registry. Verify at CMS.

Psychologist · DEERFIELD, IL

Registration Details

NPI Number: 1114069093
Provider Type: Individual
Gender: Male
NPI Issued: Feb 13, 2007 (19.48160100483 yrs)
Last Updated: Sep 11, 2025
Sole Proprietor: Yes

Practice Information

Address: 707 LAKE COOK RD STE 120

DEERFIELD, IL, 600154909
Browse IL providers · Browse ZIP 60015
Phone: 8476041593
Fax: 8475791055
Primary Specialty: Psychologist
103T00000X
Additional Specialty: Health Service Psychologist
Additional Specialty: Psychologist

Other Psychologist Providers in DEERFIELD, IL

Name	Credential	NPI
DR. SUSAN J GAULT	PSYD	1427125855
DR. JANET. O ROBINSON	PH.D.	1518142272
DR. MELISSA KAY	PSY.D.	1639336183
DR. CAROL OSTER	PSY.D.	1134362650
DR. CYNTHIA MARIE KENT	PSYD, BCIA-EEG	1275865743
DR. BAHAREH SAHEBI	PSY.D.	1255863478

Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.