Registry data as of Aug 27, 2026

Marlene Ortega, RDN

Registered Dietitian · Manhattan, IL

Marlene Ortega, RDN is a registered dietitian with a practice address in Manhattan, Illinois, and NPI 1336930700, issued on May 15, 2025. Check the license (Illinois 164009069, 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
1336930700
Name
Marlene Ortega
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
164009069 IL
Self-reported in NPPES; status is on the state search
Practice location
23211 S US Highway 52, Manhattan, IL 60442
Phone
(815) 302-1626
Enumerated
May 15, 2025
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 Marlene Ortega 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 164009069    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.

Registered Dietitian providers in Illinois

There are 2,870 registered dietitian records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,870 in Illinois → Every provider in Manhattan →

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 Marlene Ortega, RDN's NPI number?

Marlene Ortega, RDN's National Provider Identifier (NPI) is 1336930700, issued on May 15, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Marlene Ortega, RDN located?

The NPPES record lists a practice address at 23211 S US Highway 52, Manhattan, IL, 60442. Phone: (815) 302-1626. Providers update this record themselves, so call before visiting.

How can I verify Marlene Ortega, RDN's license?

NPPES lists Illinois license number 164009069, 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.

Compiled from official public sources by the editorial process.

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.