NPPES file of Aug 9, 2026

Carol Jin Zhang, RDN, LDN

Registered Dietitian · Chicago, IL

Carol Jin Zhang, RDN, LDN is a registered dietitian with a practice address in Chicago, Illinois, and NPI 1184411787, issued on Apr 24, 2025. Check the license 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
1184411787
Name
Carol Jin Zhang
Credential
RDN, LDN
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
1139 W Lawrence Ave Unit 812, Chicago, IL 60640
Phone
(248) 974-1148
Enumerated
Apr 24, 2025
Record last updated
Jan 14, 2026
Medicare enrollment
Enrolled (PECOS I20260126000915); 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 →

Verify Carol Jin Zhang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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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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. Summit Medical Group, PLLCBrentwood, TN

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

Carol Jin Zhang among 2,870 registered dietitian records in Illinois

Carol Jin Zhang, 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 2025, is newer than 89% of them.

  • NPI issued2025 · 89% of these records are older, 4% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2022 · median 2014 among the 269 with a school on file
  • Record last updated2026 · 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. Peggy Balboa, RDChicago, IL 606401154875516
  2. Elizabeth Crowley, RD, LDNChicago, IL 606401093954141
  3. Aimee EstellaChicago, IL 606401760731194
  4. Lindsey Harrigan, RD, LDNChicago, IL 606401619264181
  5. Andrea Hartnett, R.D., L.D.N.Chicago, IL 606401942455308
  6. Kathrine Kinne, RD, LDNChicago, IL 606401649280660
  7. Pedro Leon, RDN, LDNChicago, IL 606401174915490
  8. Rachelle Mallik, MA, RD, LDNChicago, IL 606401649669920

Common questions

What is Carol Jin Zhang, RDN, LDN's NPI number?

Carol Jin Zhang, RDN, LDN's National Provider Identifier (NPI) is 1184411787, issued on Apr 24, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Carol Jin Zhang, RDN, LDN located?

The NPPES record lists a practice address at 1139 W Lawrence Ave Unit 812, Chicago, IL, 60640. Phone: (248) 974-1148. Providers update this record themselves, so call before visiting.

How can I verify Carol Jin Zhang, RDN, LDN's license?

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.