Marlene Ariel Ortega, RDN
Registered Dietitian · Manhattan, IL
Marlene Ariel 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.
- Name
- Marlene Ariel 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
- Record last updated
- May 21, 2025
- Medicare enrollment
- Enrolled (PECOS I20260311000181); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 2,870 in Illinois → Look up another NPI →
Verify Marlene Ariel Ortega in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 164009069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marlene Ariel Ortega among 2,870 registered dietitian records in Illinois
Marlene Ariel Ortega, RDN is one of 2,870 registered dietitian records with a practice address in Illinois. 8% 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 2025, is newer than 89% of them.
- NPI issued2025 · 89% of these records are older, 4% newer
- In a Medicare fileNo · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated2017 · median 2014 among the 269 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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 → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Amanda Ayers, RD, LDNLockport, IL 604411952873044
- Lisa Carlson, RD, LDNLockport, IL 604411992233902
- Abigail Dujka, MS, RDN, LDNLockport, IL 604411558066423
- Chloe Dwyer, RDN, LDNLockport, IL 604411578344578
- Diana Kelly-MoneyLockport, IL 604411952230799
- Jaclyn Sumsky, RD LDNLockport, IL 604411457716508
- Jennifer Turano, MS, RDN, LDNLockport, IL 604411326968595
- Sonal Choudhary, RD, LDNBolingbrook, IL 604401275836272
Common questions
What is Marlene Ariel Ortega, RDN's NPI number?
Marlene Ariel 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 Ariel 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 Ariel 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), 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.
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.