NPPES file of Aug 9, 2026

Marissa Greenfield, COTA

Occupational Therapy Assistant · Harlan, IA

Marissa Greenfield, COTA is an occupational therapy assistant with a practice address in Harlan, Iowa, and NPI 1457899460, issued on Feb 9, 2017. Check the license (Iowa 083629, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457899460
Name
Marissa Greenfield
Credential
COTA
Primary taxonomy
Occupational Therapy Assistant 224Z00000X
License number
083629 IA
Self-reported in NPPES; status is on the state search
Practice location
2104 12TH St, Harlan, IA 51537
Phone
(712) 755-5174
Enumerated
Feb 9, 2017
Record last updated
Feb 9, 2017 (not updated in 9 years: call before relying on the address or phone)
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 2104 12TH St

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

  1. Wendy Leinen, PTAPhysical Therapy Assistant1336329028
  2. Baylen MikkelsenSpeech-Language Pathologist1316483506

Verify Marissa Greenfield 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 083629    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

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Occupational Therapy Assistant providers in Iowa

There are 266 occupational therapy assistant records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 266 in Iowa → Every provider in Harlan →

Other occupational therapy assistant records in Iowa

  1. Erika Adamson, COTA/LDavenport, IA1407091234
  2. Jordan Alberts, COTA/LAplington, IA1316401938
  3. Lisa Alderman, COTA/LLa Porte City, IA1215806799
  4. Jenna AllenSioux City, IA1669080354
  5. Nicole Allen, COTAMarengo, IA1144340209
  6. Kate AndersonWest Des Moines, IA1063740405
  7. Andrew AntleDavenport, IA1780173385
  8. Tanya Arnold, OTAWaterloo, IA1194993618
  9. Nick BaccamDes Moines, IA1851837405
  10. Kathy BarnhartCoralville, IA1275887788

Common questions

What is Marissa Greenfield, COTA's NPI number?

Marissa Greenfield, COTA's National Provider Identifier (NPI) is 1457899460, issued on Feb 9, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Greenfield, COTA located?

The NPPES record lists a practice address at 2104 12TH St, Harlan, IA, 51537. Phone: (712) 755-5174. Providers update this record themselves, so call before visiting.

How can I verify Marissa Greenfield, COTA's license?

NPPES lists Iowa license number 083629, 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.

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.