NPPES file of Aug 9, 2026

Jun Phan, RDN,LDN

Registered Dietitian · Chicago, IL

Jun Phan, RDN,LDN is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1003435868, issued on Apr 13, 2020. Check the license (Illinois 164007244, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1003435868
Name
Jun Phan
Credential
RDN,LDN
Primary taxonomy
Registered Dietitian 133V00000X
License number
164007244 IL
Self-reported in NPPES; status is on the state search
Practice location
850 W Irving Park RD, Chicago, IL 60613
Phone
(773) 975-6802
Enumerated
Apr 13, 2020
Record last updated
Apr 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200814000093); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 2,870 in Illinois → Look up another NPI →

Also registered at 850 W Irving Park RD

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

  1. Bukola AdeagboPsychiatric/Mental Health Nurse Practitioner1124670948
  2. Amy Allegretti, MDEmergency Medicine Physician1033193883
  3. Rebecca Balinnang, MS, RD, LDNRegistered Dietitian1326350737
  4. Raymond Bryant, NPPsychiatric/Mental Health Nurse Practitioner1609354133
  5. Amy Casper, RDRegistered Dietitian1124299987
  6. Manjeet Chawla, MDHematology & Oncology Physician1902910425

Verify Jun Phan 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 164007244    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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Bills Medicare through one group practice

  1. Endeavor Health Medical GroupEvanston, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jun Phan among 2,870 registered dietitian records in Illinois

Jun Phan, RDN,LDN 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. Its NPI, issued in 2020, is newer than 59% of them.

  • NPI issued2020 · 59% of these records are older, 34% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2016 · median 2014 among the 269 with a school on file
  • Record last updated2020 · 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).

935 registered dietitian records list a practice address in Chicago

They are 935 of the 63,379 NPPES records with a practice address in Chicago, and 2,870 registered dietitian records in Illinois.

All 2,870 in Illinois → Every provider in Chicago → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Rebecca Balinnang, MS, RD, LDNChicago, IL 606131326350737
  2. Linda Boyer-Samuels, MS, RD, CSSD, LDNChicago, IL 606131053876946
  3. Amy Casper, RDChicago, IL 606131124299987
  4. Emily Cutler, MS, RD, LDNChicago, IL 606131376867713
  5. Catherine D'Andrea, RD, LDNChicago, IL 606131174794135
  6. Sarah Hasler, RDChicago, IL 606131942830252
  7. Karen Jaseckas, RD, LDNChicago, IL 606131033380803
  8. Jasmina Markovic, RDChicago, IL 606131730431776

Common questions

What is Jun Phan, RDN,LDN's NPI number?

Jun Phan, RDN,LDN's National Provider Identifier (NPI) is 1003435868, issued on Apr 13, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jun Phan, RDN,LDN located?

The NPPES record lists a practice address at 850 W Irving Park RD, Chicago, IL, 60613. Phone: (773) 975-6802. Providers update this record themselves, so call before visiting.

How can I verify Jun Phan, RDN,LDN's license?

NPPES lists Illinois license number 164007244, 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. Medicare files from data.cms.gov. 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.