Provider Profile
Janet Lenz, APN
Unclaimed ProfileAbout Janet Lenz
Listed in the NPI registry as a nurse practitioner, Janet Lenz, APN practices in Barrington, IL. According to Medicare claims data, Janet cared for 429 Medicare patients across 495 services. 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 straightforward medical decision making, if using time, 10 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.
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) 381-1200
- Email not available
Practice Locations
523 W OLD NORTHWEST HWY SUITE 100
Barrington, IL 60010
Procedures Most Often Billed to Medicare
495 services · 429 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
230 | 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 |
226 | More often than most 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 |
39 | 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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Barrington 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Janet Lenz's specialty?
Janet Lenz is a nurse practitioner in Barrington, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Janet Lenz?
Janet Lenz is listed at 523 W Old Northwest Hwy Suite 100, Barrington, IL 60010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Janet Lenz?
The number on file is (847) 381-1200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Janet Lenz's NPI number?
Janet Lenz's National Provider Identifier is 1619297934. 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
What is Janet Lenz's education?
Janet Lenz attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Janet Lenz been practicing?
Janet Lenz has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Janet Lenz known for?
According to Medicare billing data, Janet Lenz the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Janet Lenz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Janet Lenz. 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.