NPPES file of Aug 9, 2026

Dionna Jeanette Blocker, OT

Occupational Therapist · Columbia, SC

Dionna Jeanette Blocker, OT is an occupational therapist with a practice address in Columbia, South Carolina, and NPI 1932636446, issued on May 15, 2017. Check the license (South Carolina 4729, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932636446
Name
Dionna Jeanette Blocker
Credential
OT
Primary taxonomy
Occupational Therapist 225X00000X
License number
4729 SC
Self-reported in NPPES; status is on the state search
Practice location
SC House Calls Inc., Columbia, SC 29203
Phone
(800) 491-0909
Enumerated
May 15, 2017
Record last updated
Apr 30, 2025
Medicare enrollment
Enrolled (PECOS I20250226001016); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest occupational therapist records → All 1,895 in South Carolina → Look up another NPI →

Also registered at SC House Calls Inc.

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

  1. Carleta Albertie, APRNFamily Nurse Practitioner1386498806
  2. Omar Alfonso Gonzalez, APRNFamily Nurse Practitioner1649094723
  3. Latosha Alston, LISWSocial Worker1609546803
  4. Jada Appling, OTOccupational Therapist1154011443
  5. Jason Auch-Iler, APRNFamily Nurse Practitioner1053935338
  6. Kendra Ayler, APRNFamily Nurse Practitioner1811391980

Verify Dionna Jeanette Blocker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 4729    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 South Carolina license search

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Bills Medicare through 2 group practices

  1. SC House Calls IncWest Columbia, SC
  2. Senior Rehab SourceDuncan, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dionna Jeanette Blocker among 1,895 occupational therapist records in South Carolina

Dionna Jeanette Blocker, OT is one of 1,895 occupational therapist records with a practice address in South Carolina. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 52% of them.

  • NPI issued2017 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2015 · median 2015 among the 277 with a school on file
  • Record last updated2025 · 58% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

148 occupational therapist records list a practice address in Columbia

They are 148 of the 11,200 NPPES records with a practice address in Columbia, and 1,895 occupational therapist records in South Carolina.

All 1,895 in South Carolina → Every provider in Columbia → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Jennifer ArcherColumbia, SC 292031831332212
  2. Catherine ChristmusColumbia, SC 292031750630653
  3. Matthew Frick, O.T.Columbia, SC 292031578640389
  4. Melissa Hevia, O.T.Columbia, SC 292031932177300
  5. Allyson Hudson, OTColumbia, SC 292031275651861
  6. Kristine Kealey, O.T.Columbia, SC 292031639147572
  7. Renee Linnehan, OTColumbia, SC 292031356699136
  8. Modestyne Mason, OTR LColumbia, SC 292031053504936

Common questions

What is Dionna Jeanette Blocker, OT's NPI number?

Dionna Jeanette Blocker, OT's National Provider Identifier (NPI) is 1932636446, issued on May 15, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Dionna Jeanette Blocker, OT located?

The NPPES record lists a practice address at SC House Calls Inc., Columbia, SC, 29203. Phone: (800) 491-0909. Providers update this record themselves, so call before visiting.

How can I verify Dionna Jeanette Blocker, OT's license?

NPPES lists South Carolina license number 4729, as entered by the provider. Search the South Carolina 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. Medicare files from data.cms.gov. 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.