Lauren Olszewski, APRN
- Medicare patients, 2024
- 41
- Part D claims, 2024
- 242
- Hospital affiliations
- 2
- Industry payments
- $15
- Medical groups
- 2
- Practice address
- 6150 Joliet Rd, Countryside, IL 60525-3956
- Practice phone
- Call (708) 485-2273
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Operator's Health Center
Primary care practice · Countryside, Illinois
Find Lauren Olszewski'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.
Lauren Olszewski is a family nurse practitioner in Park Ridge, Illinois
Lauren Olszewski practices at Operator's Health Center in Countryside, Illinois.
Lauren Olszewski's NPI, 1316672470, was assigned on July 21, 2022. Lauren Olszewski holds Illinois license 209024297.
- NPI
- 1316672470NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628452166
- NPI enumeration date
- July 21, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 485-2273
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Lauren Olszewski practices in Countryside and Park Ridge
Lauren Olszewski's primary practice is Operator's Health Center, at 6150 Joliet Rd, Countryside, IL 60525-3956. The practice phone is (708) 485-2273. The NPI Registry lists Lauren Olszewski's practice address as 1775 Dempster St, Park Ridge, IL 60068.
- Operator's Health CenterPrimary6150 Joliet Rd, Countryside, IL 60525-3956Phone(708) 485-2273
- NPI Registry address1775 Dempster St, Park Ridge, IL 60068 · Cook County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Lauren Olszewski is affiliated with 3 sites of care and 2 medical groups
Lauren Olszewski's primary practice is Operator's Health Center in Countryside, Illinois. Lauren Olszewski is also affiliated with Advocate Christ Medical Center. The medical group on file is Midwest Express Clinic. Dmand AI also links Lauren Olszewski to 1 more hospital and 1 medical group, 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 Lauren Olszewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lauren Olszewski practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Operator's Health Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Lauren Olszewski is one of 7,275 family nurse practitioners in Illinois
Family is Lauren Olszewski's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Lauren Olszewski is licensed in Illinois.
Specialties and state licenses
- Family nurse practitioner, IllinoisPrimary
Family nurse practitioners near Lauren Olszewski
Counts of family nurse practitioners 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
Lauren Olszewski treated 41 Medicare patients in 2024, average age 70
CMS counts 41 Medicare patients who saw Lauren Olszewski in 2024. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.61, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Lauren Olszewski's median patient age at 55, with 49% women.
Lauren Olszewski's Medicare patients by sex, 2024
- Women1639%
- Men2561%
Chronic conditions among Lauren Olszewski's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Diabetes34%
- Arthritis29%
Share of Medicare patients with each condition. A patient can have several.
Lauren Olszewski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Lauren Olszewski wrote 242 Medicare Part D claims in 2024
In 2024, Lauren Olszewski wrote 242 Medicare Part D claims for 39 patients. 80% of them were for generic drugs.
Lauren Olszewski's Part D claims by kind of drug, 2024
- Generic193 claims80%
- Brand-name and other49 claims20%
Drug classes CMS tracks in Lauren Olszewski's Part D claims, 2024
- Antibiotics5%12 of 242 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Lauren Olszewski takes part in Medicare
Lauren Olszewski 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)
For MedTech and pharma teams
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Lauren Olszewski received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Lauren Olszewski from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $15.
Companies that paid Lauren Olszewski the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Lauren Olszewski'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Lauren Olszewski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lauren Olszewski's NPI number?
Lauren Olszewski's NPI number is 1316672470. It was assigned on July 21, 2022, and it is active in the NPI Registry.
What does Lauren Olszewski specialize in?
Lauren Olszewski is a family nurse practitioner in Park Ridge, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Lauren Olszewski practice?
Lauren Olszewski practices at 6150 Joliet Rd, Countryside, IL 60525-3956. Lauren Olszewski also practices at 1775 Dempster St, Park Ridge, IL 60068. Lauren Olszewski's primary practice is Operator's Health Center in Countryside, Illinois. Dmand AI also links Lauren Olszewski to 1 hospital and 1 medical group.
What is Lauren Olszewski's office phone number?
The practice phone on file for Lauren Olszewski is (708) 485-2273.
What is Lauren Olszewski's medical license number?
Lauren Olszewski holds Illinois license 209024297.
Which hospitals is Lauren Olszewski affiliated with?
Lauren Olszewski is affiliated with Advocate Christ Medical Center. Dmand AI links Lauren Olszewski to 1 more hospital.
What medical group is Lauren Olszewski part of?
Lauren Olszewski is linked to Midwest Express Clinic. Dmand AI links Lauren Olszewski to 1 more medical group.
Does Lauren Olszewski accept Medicare?
Yes. CMS lists Lauren Olszewski as accepting Medicare assignment.
How many Medicare patients does Lauren Olszewski see?
CMS counts 41 Medicare patients who saw Lauren Olszewski in 2024, with an average age of 70.
Has Lauren Olszewski received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Lauren Olszewski from 1 company from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Lauren Olszewski been practicing?
Lauren Olszewski graduated from medical school in 2019, 7 years ago.
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