Registry data as of Aug 27, 2026

Iris Gronau

Registered Dietitian · Dowagiac, MI

Iris Gronau is a registered dietitian with a practice address in Dowagiac, Michigan, and NPI 1124718390, issued on May 11, 2023. Check the license with the Michigan 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
1124718390
Name
Iris Gronau
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
58620 Sink RD, Dowagiac, MI 49047
Phone
(269) 782-4141
Enumerated
May 11, 2023
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 58620 Sink RD

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

  1. Shanta Clark, P.A.-CPhysician Assistant1790169688
  2. Delphine Colar, DOFamily Medicine Physician1508357690
  3. Alexander RowlandMental Health Counselor1154171510
  4. Joo-Youn Yi, D.D.S.General Practice Dentistry1982905519
  5. Kristine Zelmer, RDHDental Hygienist1306405584

Verify Iris Gronau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan 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
Find the Michigan 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.

4 registered dietitian records list a Dowagiac practice address

They are 4 of the 125 NPPES records with a Dowagiac practice address, and 1,793 registered dietitian records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4 in Dowagiac → All 1,793 in Michigan → Every provider in Dowagiac →

Other registered dietitian records in Michigan

  1. Andrea Abatemarco, RDDetroit, MI1104073162
  2. Maha Abdallah, MS, RDNAda, MI1093531790
  3. Bansari Acharya, RDSterling Heights, MI1093343972
  4. Diana Achatz, RDSaginaw, MI1396937173
  5. Emily AckerbergGrand Rapids, MI1699622043
  6. Paula Ackerman, MS RD CDEMunising, MI1154592491
  7. Abigail AdamsWyoming, MI1215574553
  8. Camille AdamsGrand Rapids, MI1407604911
  9. Sara Aeed, MA, RDKalamazoo, MI1356914477
  10. Emily Ahle, MS, RDPortage, MI1982266854

Common questions

What is Iris Gronau's NPI number?

Iris Gronau's National Provider Identifier (NPI) is 1124718390, issued on May 11, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Iris Gronau located?

The NPPES record lists a practice address at 58620 Sink RD, Dowagiac, MI, 49047. Phone: (269) 782-4141. Providers update this record themselves, so call before visiting.

How can I verify Iris Gronau's license?

Search the Michigan 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.

Compiled from official public sources by the editorial process.

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.