Todd William Houthuysen, PA-C
Physician Assistant · Columbia, SC
Todd William Houthuysen, PA-C is a physician assistant with a practice address in Columbia, South Carolina, and NPI 1447359187, issued on Sep 21, 2006. Check the license (South Carolina 4654, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Todd William Houthuysen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 4654 SC
PA4654 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
- Sep 21, 2006
- Record last updated
- Nov 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20251010004031); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,294 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.
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Verify Todd William Houthuysen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 4654Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average physician assistant in 2024
537 Medicare Part D claims for 149 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone25 claims
- Hydroxyzine Hcl24 claims
- Trazodone Hcl21 claims
- Atorvastatin Calcium18 claims
- Buspirone Hcl17 claims
- Bupropion Xl16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,681.60
45 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- SC House Calls IncWest Columbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Todd William Houthuysen among 2,294 physician assistant records in South Carolina
Todd William Houthuysen, PA-C is one of 2,294 physician assistant records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 86% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1992 · median 2019 among the 1,516 with a school on file
- Record last updated2025 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
247 physician assistant records list a practice address in Columbia
They are 247 of the 11,200 NPPES records with a practice address in Columbia, and 2,294 physician assistant records in South Carolina.
All 2,294 in South Carolina → Every provider in Columbia → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gregory Barefoot, P.A.C.Columbia, SC 292031386601102
- Jessamyn Bartley, PAColumbia, SC 292031740251115
- Charles Crafton, PA-CColumbia, SC 292031629039847
- Karin Duffy, PA-CColumbia, SC 292031780638643
- Gregory Furness, PACColumbia, SC 292031134129174
- Christina Harman, PAColumbia, SC 292031659360691
- Anne Hendrix, P.A.Columbia, SC 292031013982917
- Stephanie Kimbrough, PAColumbia, SC 292031144295528
Common questions
What is Todd William Houthuysen, PA-C's NPI number?
Todd William Houthuysen, PA-C's National Provider Identifier (NPI) is 1447359187, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Todd William Houthuysen, PA-C 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 Todd William Houthuysen, PA-C's license?
NPPES lists South Carolina license number 4654, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Todd William Houthuysen, PA-C prescribe under Medicare Part D?
In 2024, Todd William Houthuysen, PA-C had 537 Medicare Part D claims for 149 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.
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.