Kathleen A. Lefens, APN
- Medicare patients, 2024
- 394
- Part D claims, 2024
- 833
- Hospital affiliations
- 3
- Industry payments
- $228
- Medical groups
- 2
- Practice address
- 2180 Pfingsten Rd Ste 2000 Suite 2000, Glenview, IL 60026
- Practice phone
- Call (847) 570-2570
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northshore University Healthsystem Faculty Practice Associates
Multi-specialty group site · Glenview, Illinois
Find Kathleen Lefens' 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.
Kathleen A. Lefens is a nurse practitioner in Glenview, Illinois
Kathleen Lefens practices at Northshore University Healthsystem Faculty Practice Associates in Glenview, Illinois.
Kathleen Lefens' NPI, 1790146405, was assigned on March 9, 2016. Kathleen Lefens holds Illinois license 209013995.
- NPI
- 1790146405NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850690991
- NPI enumeration date
- March 9, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 570-2570
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Kathleen A. Lefens practices at Northshore University Healthsystem Faculty Practice Associates in Glenview, Illinois
Kathleen Lefens' primary practice is Northshore University Healthsystem Faculty Practice Associates, at 2180 Pfingsten Rd Ste 2000 Suite 2000, Glenview, IL 60026. The practice phone is (847) 570-2570.
- Northshore University Healthsystem Faculty Practice Associates2180 Pfingsten Rd Ste 2000 Suite 2000, Glenview, IL 60026Phone(847) 570-2570
Source: Dmand AI Affiliation Data
Kathleen A. Lefens is affiliated with 4 sites of care and 2 medical groups
Kathleen Lefens' primary practice is Northshore University Healthsystem Faculty Practice Associates in Glenview, Illinois. Kathleen Lefens is also affiliated with Evanston Hospital. The medical group on file is Endeavor Health Medical Group. Dmand AI also links Kathleen Lefens to 2 more hospitals and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Kathleen A. Lefens' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kathleen Lefens practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northshore University Healthsystem Faculty Practice Associates | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Kathleen A. Lefens is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Kathleen Lefens' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Kathleen Lefens is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Kathleen Lefens
Counts of 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
Kathleen A. Lefens treated 394 Medicare patients in 2024, average age 77
CMS counts 394 Medicare patients who saw Kathleen Lefens in 2024. The largest group is 75 to 84, with 161 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Kathleen Lefens' median patient age at 72, with 3% women.
Kathleen Lefens' Medicare patients by age, 2024
Kathleen Lefens' Medicare patients by sex, 2024
- Women6416%
- Men33084%
Chronic conditions among Kathleen Lefens' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Ischemic heart disease41%
- Chronic kidney disease34%
- Diabetes33%
- Atrial fibrillation28%
- Heart failure27%
Share of Medicare patients with each condition. A patient can have several.
Kathleen Lefens' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women3%
- Men97%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kathleen A. Lefens wrote 833 Medicare Part D claims in 2024
In 2024, Kathleen Lefens wrote 833 Medicare Part D claims for 325 patients. 92% of them were for generic drugs.
Kathleen Lefens' Part D claims by kind of drug, 2024
- Generic765 claims92%
- Brand-name68 claims8%
Drug classes CMS tracks in Kathleen Lefens' Part D claims, 2024
- Antibiotics14%117 of 833 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
Kathleen A. Lefens offers telehealth to Medicare patients
Kathleen Lefens accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Kathleen Lefens as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Kathleen A. Lefens received $228 in industry payments in 2025
CMS Open Payments shows 2 general payments to Kathleen Lefens from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. PROCEPT BioRobotics Corporation paid the most, $228.
Companies that paid Kathleen Lefens 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 Kathleen A. Lefens'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| 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 Kathleen A. Lefens
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kathleen A. Lefens' NPI number?
Kathleen A. Lefens' NPI number is 1790146405. It was assigned on March 9, 2016, and it is active in the NPI Registry.
What does Kathleen A. Lefens specialize in?
Kathleen A. Lefens is a nurse practitioner in Glenview, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Kathleen A. Lefens practice?
Kathleen Lefens practices at 2180 Pfingsten Rd Ste 2000 Suite 2000, Glenview, IL 60026. Kathleen Lefens' primary practice is Northshore University Healthsystem Faculty Practice Associates in Glenview, Illinois. Dmand AI also links Kathleen Lefens to 2 hospitals and 1 medical group.
What is Kathleen A. Lefens' office phone number?
The practice phone on file for Kathleen Lefens is (847) 570-2570.
What is Kathleen A. Lefens' medical license number?
Kathleen Lefens holds Illinois license 209013995.
Which hospitals is Kathleen A. Lefens affiliated with?
Kathleen Lefens is affiliated with Evanston Hospital. Dmand AI links Kathleen Lefens to 2 more hospitals.
What medical group is Kathleen A. Lefens part of?
Kathleen Lefens is linked to Endeavor Health Medical Group. Dmand AI links Kathleen Lefens to 1 more medical group.
Does Kathleen A. Lefens accept Medicare?
Yes. CMS lists Kathleen Lefens as accepting Medicare assignment.
Does Kathleen A. Lefens offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Kathleen Lefens as offering telehealth services.
How many Medicare patients does Kathleen A. Lefens see?
CMS counts 394 Medicare patients who saw Kathleen Lefens in 2024, with an average age of 77.
Has Kathleen A. Lefens received payments from drug or device companies?
CMS Open Payments shows $228 in general payments to Kathleen Lefens from 1 company from 2025 to 2025. The largest total came from PROCEPT BioRobotics Corporation.
How long has Kathleen A. Lefens been practicing?
Kathleen Lefens graduated from medical school in 2015, 11 years ago.
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