Gretchen Thorson, RD,LD,CDE
Registered Dietitian · Knoxville, IA
Gretchen Thorson, RD,LD,CDE is a registered dietitian with a practice address in Knoxville, Iowa, and NPI 1053360081, issued on May 8, 2006. Check the license (Iowa 01317, 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.
- Name
- Gretchen Thorson
- Credential
- RD,LD,CDE
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 01317 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1515 W Pleasant St, Knoxville, IA 50138
- Phone
- (641) 842-3101
- Enumerated
- May 8, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
Also registered at 1515 W Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gretchen Thorson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 01317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4 registered dietitian records list a practice address in Knoxville
They are 4 of the 132 NPPES records with a practice address in Knoxville, and 694 registered dietitian records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4 in Knoxville → All 694 in Iowa → Every provider in Knoxville →
Other registered dietitian records in Iowa
- Rebecca Aboe, RD, LMNT, LDCouncil Bluffs, IA1063787505
- Kathryn Adams, R.D.Ankeny, IA1205273430
- Michelle Aderhold, RDN, LDIowa City, IA1932831849
- Alicia Aguiar, M.S., R.D., L.D.Cedar Rapids, IA1316384043
- Emilia Aleksander, MS, RD, LDTiffin, IA1497353460
- Annette Aljets, MS, RDN, LDPomeroy, IA1255938213
- Kristen Allocco, RD, LDIowa City, IA1467649665
- Margaret Alstead, RDClinton, IA1336813864
- Melissa Althoff, RDNManchester, IA1487152955
- Brittany Amaya, RDN, LDWaterloo, IA1487191359
Common questions
What is Gretchen Thorson, RD,LD,CDE's NPI number?
Gretchen Thorson, RD,LD,CDE's National Provider Identifier (NPI) is 1053360081, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Thorson, RD,LD,CDE located?
The NPPES record lists a practice address at 1515 W Pleasant St, Knoxville, IA, 50138. Phone: (641) 842-3101. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Thorson, RD,LD,CDE's license?
NPPES lists Iowa license number 01317, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
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.