Registry data as of Aug 27, 2026

Nicholas Bartz, RDN

Registered Dietitian · Chicago, IL

Nicholas Bartz, RDN is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1245786821, issued on Sep 1, 2016. Check the license (Illinois 164006399, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1245786821
Name
Nicholas Bartz
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
164006399 IL
Self-reported in NPPES; status is on the state search
Practice location
2003 W Fulton St, Chicago, IL 60612
Phone
(312) 850-3538
Enumerated
Sep 1, 2016
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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Also registered at 2003 W Fulton St

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

  1. Vanessa Alicea Matos, R.D.Registered Dietitian1003104860
  2. Alpana Bhargava, R.D.Registered Dietitian1891054904
  3. Abhijit Bhat, R.D.Registered Dietitian1235440322
  4. Natalie Borkowski, R.D.Registered Dietitian1811261753
  5. Margaret Bratcher, RD, LDNRegistered Dietitian1568080901
  6. Michelle Buelow, R.D.Registered Dietitian1558619619

Verify Nicholas Bartz 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 164006399
    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.

926 registered dietitian records list a Chicago practice address

They are 926 of the 63,379 NPPES records with a Chicago practice address, and 2,828 registered dietitian records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other registered dietitian records in Illinois

  1. Taylor Aarns, RDNBelleville, IL1295475820
  2. Rebecca Abbatiello, RDWheaton, IL1437460748
  3. Heba Abdel Latief, RDNChicago, IL1821554593
  4. Duaa AbdullahBridgeview, IL1851253009
  5. Leen Abdulqader, RDBridgeview, IL1689372526
  6. Abdullah AbdulwahidPlainfield, IL1417880980
  7. Priscilla Abel Paul, RDNBement, IL1215782941
  8. Kathleen Abernathy, R.D., L.D.N.Lake Forest, IL1295020063
  9. Patricia AbernathyLa Grange, IL1063174837
  10. Michael Abromaitis, RDNSkokie, IL1710402797

Common questions

What is Nicholas Bartz, RDN's NPI number?

Nicholas Bartz, RDN's National Provider Identifier (NPI) is 1245786821, issued on Sep 1, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Bartz, RDN located?

The NPPES record lists a practice address at 2003 W Fulton St, Chicago, IL, 60612. Phone: (312) 850-3538. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Bartz, RDN's license?

NPPES lists Illinois license number 164006399, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.