Marc I. Oster, PSY.D.

Psychologist · Deerfield, IL

Individual Active NPI

NPI number 1114069093

Practice location

707 Lake Cook Rd Ste 120
Deerfield, IL 60015-4909
Phone
(847) 604-1593
Fax
(847) 579-1055

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NPI record

NPI
1114069093
Entity type
Individual (Type 1)
Enumeration date
February 13, 2007
Last updated
September 11, 2025
Sole proprietor
Yes

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Psychologist Primary 103T00000X — IL
Clinical Psychologist 103TC0700X — IL
Health Service Psychologist 103TH0100X — IL

Mailing address

1954 First St #103
Highland Park, IL 60035-3104
Phone
(847) 604-1593
Fax
(847) 579-1055

About Dr. Oster

Marc I. Oster, PSY.D. is a healthcare provider registered in the NPI registry with the primary taxonomy Psychologist (code 103T00000X). The practice location is 707 Lake Cook Rd Ste 120, Deerfield, IL 60015-4909. The NPI number 1114069093 was assigned on February 13, 2007 and the record was last updated on September 11, 2025.

Frequently asked questions

What is the NPI number of Marc I. Oster, PSY.D.?

The NPI number is 1114069093.

What is the phone number of Dr. Oster?

The phone number listed for the practice location is (847) 604-1593.

Where is Dr. Oster located?

707 Lake Cook Rd Ste 120, Deerfield, IL 60015-4909.

What is the taxonomy code for Dr. Oster?

The primary taxonomy code is 103T00000X – Psychologist; 2 more listed above.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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