NPPES file of Aug 9, 2026

Margaret M. Nicholson, RN

Nutrition Support Registered Nurse · Chicago, IL

Margaret M. Nicholson, RN is a nutrition support registered nurse with a practice address in Chicago, Illinois, and NPI 1396322475, issued on Mar 25, 2021. Check the license (Illinois 495610, 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
1396322475
Name
Margaret M. Nicholson
Credential
RN
Primary taxonomy
Nutrition Support Registered Nurse 163WN1003X
License number
495610 IL
Self-reported in NPPES; status is on the state search
Practice location
1017 W Washington Blvd Unit 6D, Chicago, IL 60607
Phone
(708) 670-0797
Enumerated
Mar 25, 2021
Record last updated
Mar 25, 2021 (not updated in 5 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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Verify Margaret M. Nicholson 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 495610    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
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Nutrition Support Registered Nurse providers in Illinois

There are 7 nutrition support registered nurse records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7 in Illinois → Every provider in Chicago →

Other nutrition support registered nurse records in Illinois

  1. Marshall Ayer, R.N.Bluford, IL1245769322
  2. Latriese Guyton, R.N.Blue Island, IL1184843872
  3. Loretta Kulczycki, RNOak Brook, IL1255850533
  4. Marcia Marshall, RNDolton, IL1780943639
  5. Keesha Rimmer, RNChicago, IL1154678019
  6. Susan Young, RNDes Plaines, IL1760698260

Common questions

What is Margaret M. Nicholson, RN's NPI number?

Margaret M. Nicholson, RN's National Provider Identifier (NPI) is 1396322475, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Margaret M. Nicholson, RN located?

The NPPES record lists a practice address at 1017 W Washington Blvd Unit 6D, Chicago, IL, 60607. Phone: (708) 670-0797. Providers update this record themselves, so call before visiting.

How can I verify Margaret M. Nicholson, RN's license?

NPPES lists Illinois license number 495610, 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.