Doctor profile · Federal record

Dr. Matthew Killingsworth, D.M.D.

Pediatric Dentist · Dentist · Siloam Springs, AR

  • NPI 1871887422
  • 15 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2125 E Main St Ste 13
Siloam Springs, AR 727615576
(479) 231-3005
fax (479) 282-0449
Additional location
1607 E Rainforest RD
Fayetteville, AR 727035385
(479) 582-0600

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
January 18, 2021
Specialty taxonomy
1223P0221X — NUCC code
State licenses (2)
Arkansas #95 · Arkansas #3817

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871887422. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$36
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
NuSmile, LTD. 2 $19.56
Philips North America LLC 1 $16.61

By nature of payment

Food and Beverage
$36

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Killingsworth's medical specialty?
Dr. Matthew Killingsworth practices Pediatric Dentist in Siloam Springs, AR.
Where does Dr. Matthew Killingsworth practice?
Dr. Matthew Killingsworth practices at 2125 E Main St Ste 13, Siloam Springs, AR 727615576. Office phone: 4792313005.
What is Dr. Matthew Killingsworth's NPI?
Dr. Matthew Killingsworth's National Provider Identifier (NPI) is 1871887422, issued by NPPES.