NPPES file of Aug 9, 2026

Marilee Grenning, RN

Registered Nurse · Waukegan, IL

Marilee Grenning, RN is a registered nurse with a practice address in Waukegan, Illinois, and NPI 1215072194, issued on Feb 20, 2007. Check the license (Illinois 41163297, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215072194
Name
Marilee Grenning
Credential
RN
Primary taxonomy
Registered Nurse 163W00000X
License number
41163297 IL
Self-reported in NPPES; status is on the state search
Practice location
3010 Grand Ave, Waukegan, IL 60085
Phone
(847) 377-8122
Enumerated
Feb 20, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest registered nurse records → All 2,628 in Illinois → Look up another NPI →

Also registered at 3010 Grand Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samantha AbrashkinCounselor1568999167
  2. Aileen AbsilCounselor1821362732
  3. Amanda Adams, LPC, CADCCounselor1710395512
  4. Dakota AdamsMental Health Counselor1790433217
  5. Latressa AdamsCase Manager/Care Coordinator1679311153
  6. Sana Ahmed, M.D.Internal Medicine Physician1497985980

Verify Marilee Grenning in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 41163297    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Marilee Grenning among 2,628 registered nurse records in Illinois

Marilee Grenning, RN is one of 2,628 registered nurse records with a practice address in Illinois. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 5% of them.

  • NPI issued2007 · 5% of these records are older, 90% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2007 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

119 registered nurse records list a practice address in Waukegan

They are 119 of the 1,310 NPPES records with a practice address in Waukegan, and 2,628 registered nurse records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,628 in Illinois → Every provider in Waukegan → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Deborah Brunder, RNWaukegan, IL 600851326182072
  2. Maureen Cavaiani, RNWaukegan, IL 600851457496382
  3. Shawn Cesario, RNWaukegan, IL 600851700920550
  4. Julie Cook, RNWaukegan, IL 600851609911528
  5. Mary Heid, RNWaukegan, IL 600851356485197
  6. Matthew Knight, RNWaukegan, IL 600851689718447
  7. Karyn Lyons, RNWaukegan, IL 600851457495251
  8. Barbara Moens, RNWaukegan, IL 600851811032782

Common questions

What is Marilee Grenning, RN's NPI number?

Marilee Grenning, RN's National Provider Identifier (NPI) is 1215072194, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Marilee Grenning, RN located?

The NPPES record lists a practice address at 3010 Grand Ave, Waukegan, IL, 60085. Phone: (847) 377-8122. Providers update this record themselves, so call before visiting.

How can I verify Marilee Grenning, RN's license?

NPPES lists Illinois license number 41163297, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.