Stephen J. Kosiara, OTR
Occupational Therapist · Grand Rapids, MI
Stephen J. Kosiara, OTR is an occupational therapist with a practice address in Grand Rapids, Michigan, and NPI 1801872411, issued on Dec 16, 2005. Check the license (Michigan 5201004133, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen J. Kosiara
- Credential
- OTR
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 5201004133 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Leffingwell Ave NE, Grand Rapids, MI 49525
- Phone
- (616) 459-7101
- Enumerated
- Dec 16, 2005
- Record last updated
- May 4, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 5,276 in Michigan → Look up another NPI →
Also registered at 1111 Leffingwell Ave NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terri Adams, RNCase Management Registered Nurse1568906832
- Pamela Albrecht, MSPTPhysical Therapist1780678482
- John Anderson, MDOrthopaedic Foot and Ankle Surgery Physician1700874294
- Michel Andreasen, OTOccupational Therapist1346581147
- Janet Appleton, OTRHand Occupational Therapist1104802610
- James Bakeman, MDOrthopaedic Surgery Physician1326036732
Verify Stephen J. Kosiara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5201004133Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 70.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Stephen J. Kosiara among 5,276 occupational therapist records in Michigan
Stephen J. Kosiara, OTR is one of 5,276 occupational therapist records with a practice address in Michigan. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, over 99% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 11% of these records are
- Record last updated2018 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
425 occupational therapist records list a practice address in Grand Rapids
They are 425 of the 18,005 NPPES records with a practice address in Grand Rapids, and 5,276 occupational therapist records in Michigan.
All 5,276 in Michigan → Every provider in Grand Rapids → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Jennifer Ancans, MSOTR/LGrand Rapids, MI 495251588960751
- Laura Bucks, OTGrand Rapids, MI 495251013224419
- Robyn Colton, OTGrand Rapids, MI 495251356593537
- Aric Dougherty, OTRGrand Rapids, MI 495251346443702
- Diann Fisk, OTRGrand Rapids, MI 495251427034032
- Heather Herrick, MS, OTR, ETSGrand Rapids, MI 495251619021326
- Kamaree Hoff, OTR/LGrand Rapids, MI 495251316178593
- Swapaninderdeep Kaur, O.T.Grand Rapids, MI 495251093900524
Common questions
What is Stephen J. Kosiara, OTR's NPI number?
Stephen J. Kosiara, OTR's National Provider Identifier (NPI) is 1801872411, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen J. Kosiara, OTR located?
The NPPES record lists a practice address at 1111 Leffingwell Ave NE, Grand Rapids, MI, 49525. Phone: (616) 459-7101. Providers update this record themselves, so call before visiting.
How can I verify Stephen J. Kosiara, OTR's license?
NPPES lists Michigan license number 5201004133, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
What is Stephen J. Kosiara, OTR's MIPS final score?
The 2023 MIPS final score is 70.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.