NPPES file of Aug 9, 2026

Danielle Gengo, R.D.

Registered Dietitian · Berwyn, IL

Danielle Gengo, R.D. is a registered dietitian with a practice address in Berwyn, Illinois, and NPI 1003053612, issued on Jan 20, 2009. Check the license (Illinois 164.003918, 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
1003053612
Name
Danielle Gengo
Credential
R.D.
Primary taxonomy
Registered Dietitian 133V00000X
License number
164.003918 IL
Self-reported in NPPES; status is on the state search
Practice location
3249 Oak Park Ave, Berwyn, IL 60402
Phone
(708) 783-3077
Enumerated
Jan 20, 2009
Record last updated
Aug 29, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090224000615); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 3249 Oak Park Ave

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

  1. Gholamali Afshang, MDDiagnostic Radiology Physician1316925522
  2. Sumayyah Ahmed, PA-CPhysician Assistant1851084206
  3. Michelle Akan, CRNACertified Registered Nurse Anesthetist1376808683
  4. Angela Alcarraz Bedrillana, MDInternal Medicine Physician1033813720
  5. Haris Aleem, MDHospitalist Physician1063409795
  6. John Alexis, M.D.Emergency Medicine Physician1689608713

Verify Danielle Gengo 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 164.003918    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. North Shore Infusion LtdSkokie, IL

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

Danielle Gengo among 2,870 registered dietitian records in Illinois

Danielle Gengo, R.D. 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 2009, is newer than 19% of them.

  • NPI issued2009 · 19% of these records are older, 78% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2000 · median 2014 among the 269 with a school on file
  • Record last updated2012 · 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).

16 registered dietitian records list a practice address in Berwyn

They are 16 of the 1,031 NPPES records with a practice address in Berwyn, and 2,870 registered dietitian records in Illinois.

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

The 8 registered dietitian records with the nearest ZIP codes

  1. Sandra Avitia, R.D.Berwyn, IL 604021033394911
  2. Ariel Beck, RDNBerwyn, IL 604021932794930
  3. Marcia Brown, RDBerwyn, IL 604021841398021
  4. Theresa Denk, MNTBerwyn, IL 604021548205974
  5. Michelle Der, RD, LDN, CDEBerwyn, IL 604021376975607
  6. Susan Evon, RDBerwyn, IL 604021730287921
  7. Leslie Giambalvo, RDBerwyn, IL 604021376011213
  8. Alexis Gonzalez, RDN LDNBerwyn, IL 604021538854674

Common questions

What is Danielle Gengo, R.D.'s NPI number?

Danielle Gengo, R.D.'s National Provider Identifier (NPI) is 1003053612, issued on Jan 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Danielle Gengo, R.D. located?

The NPPES record lists a practice address at 3249 Oak Park Ave, Berwyn, IL, 60402. Phone: (708) 783-3077. Providers update this record themselves, so call before visiting.

How can I verify Danielle Gengo, R.D.'s license?

NPPES lists Illinois license number 164.003918, 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.