MRS. JENNIFER NENNI (RDN) – Registered Dietitian, NPI 1881029122

MRS. JENNIFER NENNI (RDN) is a healthcare provider. based in Saint charles, Illinois. specializing in REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL. They hold the professional credentials RDN. They hold a License No. 164.001599 (IL). The NPI Number for MRS. JENNIFER NENNI (RDN) is 1881029122

Main info

Female
Sole Proprietor
32 Years Of Experience
Accepts Medicare Assignment
Name
MRS. JENNIFER NENNI (RDN)
NPI
1881029122
Phone
(630) 587-5601
Address
39W905 LOUISA MAY ALCOTT LN
Enumeration Date
5 September 2013
Last Update Date
11 November 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6302626077
Graduation Year
1994 (32 years ago)
PAC ID
3678007317
Group Practice PAC ID
5890696231
Professional Enrollment ID
I20241118000800
Address ID
IL601344201GE308XXRDXX301
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness75
Years active:12State licenses:1Digital endpointsOther names

311 REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL in IL

Provider Addresses for MRS. JENNIFER NENNI (RDN)

  • 39W905 LOUISA MAY ALCOTT LN

    SAINT CHARLES, IL 601757760

    Phone: (630) 587-5601

    Type: Mailing

  • 39W905 Louisa May Alcott Ln

    Saint Charles, IL 601757760

    Phone: (630) 587-5601

    Type: Location

  • 308 RANDALL RD STE B

    GENEVA, IL 601344201

    Phone: (630) 315-1700

    Fax: (630) 938-8330

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-11-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20241118000800IRegistered Dietitian Or Nutrition ProfessionalILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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 60175)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5890696231View full group profile
NameSpecialtyState
General SurgeryIL
Vascular SurgeryIL
-IL
Nurse PractitionerIL
-IL
C H I R O P R A C T I CIL
Family PracticeIL
Physical Medicine And RehabilitationCO
-IL
Hospitalist, Family PracticeIL

Reviews

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Frequently asked questions

Is there an official ID for MRS. JENNIFER NENNI (RDN) in U.S. healthcare records?
The official identifier for MRS. JENNIFER NENNI (RDN) is NPI 1881029122.
Is MRS. JENNIFER NENNI (RDN) shown as active in public data?
Registry records indicate MRS. JENNIFER NENNI (RDN) maintains an active NPI.
What expertise is attributed to MRS. JENNIFER NENNI (RDN)?
MRS. JENNIFER NENNI (RDN)'s specialty line reads Registered Dietitian. Clinical services aligned with this taxonomy classification.
Is MRS. JENNIFER NENNI (RDN) located near Saint Charles?
MRS. JENNIFER NENNI (RDN) currently maps to Saint Charles, Illinois in this extract.
Can I trust this NPI listing for MRS. JENNIFER NENNI (RDN)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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