Registry data as of Aug 27, 2026

Denise Gengler

Registered Dietitian · Le Mars, IA

Denise Gengler is a registered dietitian with a practice address in Le Mars, Iowa, and NPI 1992183487, issued on May 15, 2015. Check the license (Iowa 00124, as entered in NPPES) with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1992183487
Name
Denise Gengler
Primary taxonomy
Registered Dietitian 133V00000X
License number
00124 IA
Self-reported in NPPES; status is on the state search
Practice location
1201 12TH Ave SW, Le Mars, IA 51031
Phone
(712) 546-7816
Enumerated
May 15, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1201 12TH Ave SW

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

  1. Alyssa Bendickson, PHARMDPharmacist1225677156
  2. Serena HansenPharmacist1154960078
  3. Abby Luitjens, MS, RDN, LDRegistered Dietitian1952754723
  4. Darcy Walth, R.PH.Pharmacist1992344204
  5. Bridget Zittritsch, PHARMDPharmacist1538708466

Verify Denise Gengler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license 00124
    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 Iowa 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.

2 registered dietitian records list a Le Mars practice address

They are 2 of the 192 NPPES records with a Le Mars practice address, and 691 registered dietitian records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other registered dietitian records in Iowa

  1. Rebecca Aboe, RD, LMNT, LDCouncil Bluffs, IA1063787505
  2. Kathryn Adams, R.D.Ankeny, IA1205273430
  3. Michelle Aderhold, RDN, LDIowa City, IA1932831849
  4. Alicia Aguiar, M.S., R.D., L.D.Cedar Rapids, IA1316384043
  5. Emilia Aleksander, MS, RD, LDTiffin, IA1497353460
  6. Annette Aljets, MS, RDN, LDPomeroy, IA1255938213
  7. Kristen Allocco, RD, LDIowa City, IA1467649665
  8. Margaret Alstead, RDClinton, IA1336813864
  9. Melissa Althoff, RDNManchester, IA1487152955
  10. Brittany Amaya, RDN, LDWaterloo, IA1487191359

Common questions

What is Denise Gengler's NPI number?

Denise Gengler's National Provider Identifier (NPI) is 1992183487, issued on May 15, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Denise Gengler located?

The NPPES record lists a practice address at 1201 12TH Ave SW, Le Mars, IA, 51031. Phone: (712) 546-7816. Providers update this record themselves, so call before visiting.

How can I verify Denise Gengler's license?

NPPES lists Iowa license number 00124, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.