Provider Profile
Kathleen A. Lefens, APN
Unclaimed ProfileAbout Kathleen Lefens
Kathleen A. Lefens, APN is a nurse practitioner practicing in Glenview, IL. Kathleen is also listed as specializing in nurse practitioner — adult health and nurse practitioner — gerontology. Medicare claims data shows Kathleen provided 467 services to 434 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (847) 503-3000
- Email not available
Practice Locations
2180 PFINGSTEN RD STE 3000
Glenview, IL 60026
5841 S Maryland Ave
Chicago, IL 60637
Procedures Most Often Billed to Medicare
467 services · 434 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Simple insertion of temporary bladder tube | Procedure | 51702 |
21 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
166 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
121 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
52 | More often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
49 | More often than most peers in Nurse Practitioner |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
29 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
17 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
12 | More often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other nurse practitioners in Glenview 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Simple insertion of temporary bladder tube 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Kathleen A. Lefens specialize in?
Kathleen A. Lefens is a nurse practitioner in Glenview, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Kathleen A. Lefens located?
Kathleen A. Lefens is listed at 2180 Pfingsten Rd Ste 3000, Glenview, IL 60026. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Kathleen A. Lefens's phone number?
The number on file is (847) 503-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Kathleen A. Lefens?
Kathleen A. Lefens's National Provider Identifier is 1790146405. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Kathleen A. Lefens train?
Kathleen A. Lefens attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Kathleen A. Lefens have?
Kathleen A. Lefens has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Kathleen A. Lefens do most often?
According to Medicare billing data, Kathleen A. Lefens performs procedures including simple insertion of temporary bladder tube, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Kathleen A. Lefens's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Kathleen A. Lefens. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.