Janet Lenz, APN
Nurse Practitioner · Barrington, IL
Janet Lenz, APN is a nurse practitioner with a practice address in Barrington, Illinois, and NPI 1619297934, issued on Jun 9, 2010. Check the license (Illinois 209008175, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janet Lenz
- Credential
- APN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209008175 IL
Self-reported in NPPES; status is on the state search - Practice location
- 523 W Old Northwest Hwy, Barrington, IL 60010
- Phone
- (847) 381-1200
- Enumerated
- Jun 9, 2010
- Record last updated
- Jun 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (847) 381-1904
- Medicare enrollment
- Enrolled (PECOS I20110211000155); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Verify Janet Lenz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209008175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nurse practitioner in 2024
71 Medicare Part D claims for 33 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin14 claims
- Trazodone Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $758.17
21 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northwest Pulmonary And Sleep Medicine SCAlgonquin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janet Lenz among 4,892 nurse practitioner records in Illinois
Janet Lenz, APN is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 18% of them.
- NPI issued2010 · 18% of these records are older, 80% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2009 · median 2018 among the 3,389 with a school on file
- Record last updated2010 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 nurse practitioner records list a practice address in Barrington
They are 18 of the 756 NPPES records with a practice address in Barrington, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Barrington → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Nicole Brady, NPBarrington, IL 600101598788705
- Teresa Godfrey, RN, BS, MS, FNPBarrington, IL 600101316371776
- Rebecca Guio, APNBarrington, IL 600101528343811
- Bridgett Hallstrom, NPBarrington, IL 600101578649950
- Lisa Jackson, N.P.Lake Barrington, IL 600101316980766
- Rumyana Krouleva, APNLake Barrington, IL 600101295274165
- Brenna MolikBarrington, IL 600101487167698
- Laura Nordgren, AGPCNP-BCBarrington, IL 600101720562002
Common questions
What is Janet Lenz, APN's NPI number?
Janet Lenz, APN's National Provider Identifier (NPI) is 1619297934, issued on Jun 9, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Janet Lenz, APN located?
The NPPES record lists a practice address at 523 W Old Northwest Hwy, Barrington, IL, 60010. Phone: (847) 381-1200. Providers update this record themselves, so call before visiting.
How can I verify Janet Lenz, APN's license?
NPPES lists Illinois license number 209008175, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Janet Lenz, APN prescribe under Medicare Part D?
In 2024, Janet Lenz, APN had 71 Medicare Part D claims for 33 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.