KATHLEEN A LEFENS (APN) – Nurse Practitioner, NPI 1790146405
Nurse Practitioner
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Profile Insights
NPPES metrics only — not quality of care.
11,632 NURSE PRACTITIONER in IL
Provider Addresses for KATHLEEN A LEFENS (APN)
2180 PFINGSTEN RD STE 3000
GLENVIEW, IL 600261340
Phone: (847) 503-3000
Type: Mailing
2650 RIDGE AVE STE 1223
EVANSTON, IL 602011700
Phone: (847) 982-3363
Fax: (847) 733-5315
Type: Mailing
5841 S Maryland Ave
Chicago, IL 606371443
Phone: (888) 824-0200
Type: Location
Au Bon Pain, 5841, South Maryland Avenue, Hyde Park, Chicago, Hyde Park Township, Cook County, Illinois, 60637, United States
MC 5031
CHICAGO, IL 606371447
Phone: (773) 926-9143
Fax: (773) 926-0407
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $882.
Total Amount is formed as General ($882) + Research ($0) + Ownership ($0) = $882.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: 180 Medical, Inc. ($468).
Total Amount
$882
General + Research + Ownership
Payments
10
Total payment records
General Amount
$882
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| 180 Medical, Inc. | $468 |
| ConvaTec Inc. | $414 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-04-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160425001186 | I | Nurse Practitioner | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 221 | 184 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 128 | 108 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 98 | 91 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 55 | 55 | $0 |
| 51702 | Simple insertion of temporary bladder tube | 29 | 23 | $0 |
Insurance plans in this area (ZIP 60026)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| N E U R O L O G Y | IL | |
| Hospitalist, Internal Medicine | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IL | |
| Clinical Social Worker | IL | |
| Certified Nurse Midwife (Cnm) | IL |
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