Dr. Rachael Corey Olson-Marszewski, MD

  • Hines, IL
  • Psychiatrist
NPI1427554369
Part D claims, 2022
57
Affiliated sites
1
State license
1
Year NPI issued
2018
Practice locations
2
Practice address
1201 Eagle Street, Joliet, IL 60432
Practice phone
Call (608) 821-7200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Joliet VA Clinic

VA Clinic / Health Facility · Joliet, Illinois

See all 1 affiliations

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Dr. Rachael Corey Olson-Marszewski is a psychiatrist in Hines, Illinois

Dr. Olson-Marszewski practices at Joliet VA Clinic in Joliet, Illinois.

Dr. Olson-Marszewski's NPI, 1427554369, was assigned on March 31, 2018. Dr. Olson-Marszewski holds Illinois license 125.073041.

NPI and contact details
NPI enumeration date
March 31, 2018
NPI status
Active
Practice phone
(608) 821-7200
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Rachael Corey Olson-Marszewski practices in Joliet and Hines

Dr. Olson-Marszewski's primary practice is Joliet VA Clinic, at 1201 Eagle Street, Joliet, IL 60432. The practice phone is (608) 821-7200. Dr. Olson-Marszewski also practices at Hines VAMC, 5000 S 5th Ave, Hines, IL 60141.

  • Joliet VA ClinicPrimary
    1201 Eagle Street, Joliet, IL 60432Phone(608) 821-7200
  • Hines VAMC
    5000 S 5th Ave, Hines, IL 60141 · Cook CountyPhone(608) 821-7200

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Rachael Corey Olson-Marszewski is affiliated with 1 site of care

Dr. Olson-Marszewski's primary practice is Joliet VA Clinic in Joliet, Illinois.

Joliet VA ClinicVA Clinic / Health Facility · Joliet, IllinoisPrimary
Parent health systemName with a free account
See Dr. Olson-Marszewski's affiliation in Dmand AI

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Rachael Corey Olson-Marszewski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Olson-Marszewski practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Joliet VA ClinicAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Rachael Corey Olson-Marszewski is one of 1,527 psychiatrists in Illinois

Psychiatry is Dr. Olson-Marszewski's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Olson-Marszewski is licensed in Illinois.

Specialties and state licenses

  • Psychiatry, IllinoisPrimaryLicense 125.073041 · taxonomy 2084P0800X

Psychiatrists near Dr. Olson-Marszewski

Counts of psychiatrists 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

Dr. Rachael Corey Olson-Marszewski's patients have a median age of 52

Across all payers, Dmand AI patient panel data puts Dr. Olson-Marszewski's median patient age at 52, with 0% women.

Dr. Olson-Marszewski's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Dr. Rachael Corey Olson-Marszewski wrote 57 Medicare Part D claims in 2022

In 2022, Dr. Olson-Marszewski wrote 57 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $1,641 in total drug cost. In 2021, CMS named 229 claims across 12 drugs.

Part D claims, 202257
Drugs named by CMS3
Total drug cost$1,641

Dr. Olson-Marszewski's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 2292022: 5775%

Drugs named by CMS: 3 in 2022, 12 in 2021.

See all prescribing by Dr. Olson-Marszewski

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Sources for Dr. Rachael Corey Olson-Marszewski's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Rachael Corey Olson-Marszewski

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Rachael Corey Olson-Marszewski's NPI number?

Dr. Rachael Corey Olson-Marszewski's NPI number is 1427554369. It was assigned on March 31, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Rachael Corey Olson-Marszewski?

Dr. Rachael Corey Olson-Marszewski is a psychiatrist in Hines, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Rachael Corey Olson-Marszewski practice?

Dr. Olson-Marszewski practices at 1201 Eagle Street, Joliet, IL 60432. Dr. Olson-Marszewski also practices at 5000 S 5th Ave, Hines, IL 60141. Dr. Olson-Marszewski's primary practice is Joliet VA Clinic in Joliet, Illinois.

What is Dr. Rachael Corey Olson-Marszewski's office phone number?

The practice phone on file for Dr. Olson-Marszewski is (608) 821-7200.

What is Dr. Rachael Corey Olson-Marszewski's medical license number?

Dr. Olson-Marszewski holds Illinois license 125.073041.

What drugs does Dr. Rachael Corey Olson-Marszewski prescribe most?

In 2022 Medicare Part D data, Dr. Olson-Marszewski's most prescribed drugs by claims were Escitalopram Oxalate, Olanzapine and Mirtazapine.

How long has Dr. Rachael Corey Olson-Marszewski been practicing?

Dr. Olson-Marszewski's NPI was assigned in 2018.

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