NPPES file of Aug 9, 2026

Niki Diane Olin, COTA

Occupational Therapy Assistant · Grand Rapids, MI

Niki Diane Olin, COTA is an occupational therapy assistant with a practice address in Grand Rapids, Michigan, and NPI 1740488758, issued on Jul 11, 2007. Check the license (Michigan 5202002859, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740488758
Name
Niki Diane Olin
Credential
COTA
Primary taxonomy
Occupational Therapy Assistant 224Z00000X
License number
5202002859 MI
Self-reported in NPPES; status is on the state search
Practice location
2161 Leonard St NW, Grand Rapids, MI 49504
Phone
(616) 453-7715
Enumerated
Jul 11, 2007
Record last updated
Jul 11, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(616) 735-0633
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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8 nearest occupational therapy assistant records → All 903 in Michigan → Look up another NPI →

Also registered at 2161 Leonard St NW

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

  1. Timothy Bolek, PTAPhysical Therapy Assistant1851511505
  2. Kaitlyn Cavanaugh, LMSWClinical Social Worker1730537333
  3. Diane Dangl, COTAOccupational Therapy Assistant1801019674
  4. Marie Denherder, OTROccupational Therapist1619183464
  5. Carrie Engemann, OTROccupational Therapist1467656868
  6. Samantha Flietstra, DPTPhysical Therapist1003282187

Verify Niki Diane Olin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 5202002859    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 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.

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Niki Diane Olin among 903 occupational therapy assistant records in Michigan

Niki Diane Olin, COTA is one of 903 occupational therapy assistant records with a practice address in Michigan. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 1% of them.

  • NPI issued2007 · 1% of these records are older, 95% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 224Z00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Occupational Therapy Assistant providers in Michigan

There are 903 occupational therapy assistant records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 903 in Michigan → Every provider in Grand Rapids → Occupational Therapy Assistant nationwide →

The 8 occupational therapy assistant records with the nearest ZIP codes

  1. Diane Dangl, COTAGrand Rapids, MI 495041801019674
  2. Kami Evans, COTA/LGrand Rapids, MI 495041083586655
  3. Traci Jones, COTA/LGrand Rapids, MI 495041790532554
  4. Pamela TanuiGrand Rapids, MI 495041639703721
  5. Jennifer Compton, COTAGrand Rapids, MI 495031174096424
  6. Stephanie Daggett, COTA/LGrand Rapids, MI 495051689052649
  7. Katelyn Eshbach, COTA-LGrand Rapids, MI 495051053116038
  8. Heather JohnsonGrand Rapids, MI 495031144794397

Common questions

What is Niki Diane Olin, COTA's NPI number?

Niki Diane Olin, COTA's National Provider Identifier (NPI) is 1740488758, issued on Jul 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Niki Diane Olin, COTA located?

The NPPES record lists a practice address at 2161 Leonard St NW, Grand Rapids, MI, 49504. Phone: (616) 453-7715. Providers update this record themselves, so call before visiting.

How can I verify Niki Diane Olin, COTA's license?

NPPES lists Michigan license number 5202002859, as entered by the provider. Search the Michigan 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.