Marc I. Oster, PsyD
- Affiliated sites
- 2
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2007
- Practice locations
- 2
- Practice address
- 1933 N Meacham Rd Suite 750 Suite 750, Schaumburg, IL 60173-4368
- Practice phone
- Call (708) 665-4368
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Landstrom Center
Behavioral health practice · Schaumburg, Illinois
Find Marc Oster's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Marc I. Oster is a psychologist in Bannockburn, Illinois
Marc Oster practices at Landstrom Center in Schaumburg, Illinois.
Marc Oster's NPI, 1114069093, was assigned on February 13, 2007.
- NPI
- 1114069093NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769549633
- NPI enumeration date
- February 13, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 665-4368
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marc I. Oster practices in Schaumburg and Bannockburn
Marc Oster's primary practice is Landstrom Center, at 1933 N Meacham Rd Suite 750 Suite 750, Schaumburg, IL 60173-4368. The practice phone is (708) 665-4368. The NPI Registry lists Marc Oster's practice address as 2525 Waukegan Rd, Bannockburn, IL 60015.
- Landstrom CenterPrimary1933 N Meacham Rd Suite 750 Suite 750, Schaumburg, IL 60173-4368Phone(708) 665-4368
- NPI Registry address2525 Waukegan Rd, Bannockburn, IL 60015 · Lake County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Marc I. Oster is affiliated with 2 sites of care and 3 medical groups
Marc Oster's primary practice is Landstrom Center in Schaumburg, Illinois. The medical group on file is ProActive Behavioral Services. Dmand AI also links Marc Oster to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Marc I. Oster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marc Oster practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Landstrom Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Marc I. Oster is one of 308 psychologists in Illinois
Psychologist is Marc Oster's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Marc Oster has a license on file in Illinois.
Specialties and state licenses
- Psychologist, Illinois
Psychologists near Marc Oster
Counts of psychologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Marc I. Oster's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Marc Oster's median patient age at 40, with 100% women.
Marc Oster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
How Marc I. Oster takes part in Medicare
Marc Oster accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Marc I. Oster's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Marc I. Oster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marc I. Oster's NPI number?
Marc I. Oster's NPI number is 1114069093. It was assigned on February 13, 2007, and it is active in the NPI Registry.
What does Marc I. Oster specialize in?
Marc I. Oster is a psychologist in Bannockburn, Illinois. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Marc I. Oster practice?
Marc Oster practices at 1933 N Meacham Rd Suite 750 Suite 750, Schaumburg, IL 60173-4368. Marc Oster also practices at 2525 Waukegan Rd, Bannockburn, IL 60015. Marc Oster's primary practice is Landstrom Center in Schaumburg, Illinois. Dmand AI also links Marc Oster to 2 medical groups and 1 group practice or clinic.
What is Marc I. Oster's office phone number?
The practice phone on file for Marc Oster is (708) 665-4368.
What medical group is Marc I. Oster part of?
Marc Oster is linked to ProActive Behavioral Services. Dmand AI links Marc Oster to 2 more medical groups.
Does Marc I. Oster accept Medicare?
Yes. CMS lists Marc Oster as accepting Medicare assignment.
How long has Marc I. Oster been practicing?
Marc Oster graduated from medical school in 1986, 40 years ago.
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