NPPES file of Aug 9, 2026

William C. Hellyer, MBA, OTR/L

Occupational Therapist · Rockford, IL

William C. Hellyer, MBA, OTR/L is an occupational therapist with a practice address in Rockford, Illinois, and NPI 1386745164, issued on Sep 26, 2006. Check the license with the Illinois 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
1386745164
Name
William C. Hellyer
Credential
MBA, OTR/L
Primary taxonomy
Occupational Therapist 225X00000X
Practice location
3475 S Alpine RD, Rockford, IL 61109
Phone
(815) 874-8000
Enumerated
Sep 26, 2006
Record last updated
Jan 17, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(815) 874-7525
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.
Download card Updates feed

8 nearest occupational therapist records → All 5,855 in Illinois → Look up another NPI →

Also registered at 3475 S Alpine RD

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

  1. Julie Bailor, PTPhysical Therapist1962709766
  2. Douglas Blazer, PAMedical Physician Assistant1104101823
  3. Lindsay Cox Becker, PTAPhysical Therapy Assistant1245462571
  4. Andrew Doherty, PA-CPhysician Assistant1962716456
  5. Lindsey Jacobson, PTAPhysical Therapy Assistant1013189414
  6. Theresa Knoll, MPTPhysical Therapist1124264478

Verify William C. Hellyer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois 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 Illinois 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

William C. Hellyer among 5,855 occupational therapist records in Illinois

William C. Hellyer, MBA, OTR/L is one of 5,855 occupational therapist records with a practice address in Illinois. 13% 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 94% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2008 · 65% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

89 occupational therapist records list a practice address in Rockford

They are 89 of the 3,893 NPPES records with a practice address in Rockford, and 5,855 occupational therapist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,855 in Illinois → Every provider in Rockford → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Carolyn Arango, OTR/LRockford, IL 611081225521925
  2. Kari BerthRockford, IL 611081508255506
  3. Taelor Cash, OTR/LRockford, IL 611081003758277
  4. Sheryl Cook, OTRockford, IL 611081922322288
  5. Megan DooleyRockford, IL 611081568865087
  6. Marissa Giannangeli, OTR/LRockford, IL 611081447884804
  7. Tara Glendenning, OTR/LRockford, IL 611081720609480
  8. Kristal Hildebrand, OTR/LRockford, IL 611081558896142

Common questions

What is William C. Hellyer, MBA, OTR/L's NPI number?

William C. Hellyer, MBA, OTR/L's National Provider Identifier (NPI) is 1386745164, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William C. Hellyer, MBA, OTR/L located?

The NPPES record lists a practice address at 3475 S Alpine RD, Rockford, IL, 61109. Phone: (815) 874-8000. Providers update this record themselves, so call before visiting.

How can I verify William C. Hellyer, MBA, OTR/L's license?

Search the Illinois 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.