Unknown Individual – Registered Dietitian, NPI 1558459123

Unknown Individual is a healthcare provider. based in Joliet, Illinois. specializing in Registered Dietitian. They hold a License No. 164002341 (IL). The NPI Number for Unknown Individual is 1558459123

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1558459123
Phone
(815) 725-7133
Address
333 NORTH MADISON ST.
Deactivation Date
8 April 2021
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience14
Completeness75
Years active:0State licenses:1Digital endpointsOther names

Provider Addresses for Unknown Individual

  • 333 NORTH MADISON ST.

    JOLIET, IL 60435

    Phone: (815) 725-7133

    Type: Location

  • 19535, Mayfield Place, Brookside Glen, Tinley Park, Will County, Illinois, 60487, United States

    TINLEY PARK, IL 604775185

    Phone: (773) 965-6200

    Fax: (815) 806-8279

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60435)

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Reviews

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Frequently asked questions

What number should I use to identify Unknown Individual for billing?
Administrative and clinical systems typically use NPI 1558459123 for Unknown Individual.
What does inactive NPI status mean for Unknown Individual?
Inactive status means the NPI record is not marked active in the public file — verify before making care decisions.
What services align with Unknown Individual's listing?
Unknown Individual's public classification highlights Registered Dietitian. Clinical services aligned with this taxonomy classification.
What city is tied to Unknown Individual?
The directory associates Unknown Individual with Joliet, Illinois. Check all listed addresses for suites or satellite offices.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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