NPPES file of Aug 9, 2026

Stephen M. Killingsworth, MD

Otolaryngology/Facial Plastic Surgery Physician · Russellville, AR

Stephen M. Killingsworth, MD is an otolaryngology/facial plastic surgery physician with a practice address in Russellville, Arkansas, and NPI 1013985969, issued on Mar 8, 2006. Check the license (Arkansas C6433, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013985969
Name
Stephen M. Killingsworth
Credential
MD
Primary taxonomy
Otolaryngology/Facial Plastic Surgery Physician 207YX0905X
License number
C6433 AR
Self-reported in NPPES; status is on the state search
Practice location
200 N Quanah Ave, Russellville, AR 72801
Phone
(479) 890-0368
Enumerated
Mar 8, 2006
Record last updated
Dec 15, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(479) 890-7368
Medicaid ID
105349001 AR
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.
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Also registered at 200 N Quanah Ave

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

  1. Donald Dunn, M.D.Obstetrics & Gynecology Physician1730149766
  2. Ezechiel Nehus, MDOtolaryngology/Facial Plastic Surgery Physician1912973306
  3. Charles Palmer, AU.D.Audiologist1831214972

Verify Stephen M. Killingsworth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license C6433
    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
Open the Arkansas license search

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89% fewer Medicare Part D claims than the average otolaryngology/facial plastic surgery physician in 2024

62 Medicare Part D claims for 22 beneficiaries, against an average of 550 among the 650 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Stephen Killingsworth62
  2. Specialty average550

Most prescribed

  1. Fluticasone Propionate34 claims
  2. Azelastine Hcl14 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.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $40.31

1 payment: food and beverage; the largest payer was Genzyme Corporation. The 515 providers of this specialty with any payment received $1,724.75 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Killingsworth$40.31
  2. Specialty average$1,724.75

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Stephen M. Killingsworth among 14 otolaryngology/facial plastic surgery physician records in Arkansas

Stephen M. Killingsworth, MD is one of 14 otolaryngology/facial plastic surgery physician records with a practice address in Arkansas. 86% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 21% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2010 · 86% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207YX0905X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology/Facial Plastic Surgery Physician providers in Arkansas

There are 14 otolaryngology/facial plastic surgery physician records in Arkansas.

The 8 otolaryngology/facial plastic surgery physician records with the nearest ZIP codes

  1. Ezechiel Nehus, MDRussellville, AR 728011912973306
  2. Janine Amos, D.O.Springdale, AR 727621578902169
  3. William Bulkley, MDParagould, AR 724501386638286
  4. John Jiu, MDJonesboro, AR 724011871568808
  5. David Lewis, MDJonesboro, AR 724011588639512
  6. Joseph Sales, MDJonesboro, AR 724011851366140
  7. Shane Smith, MDJonesboro, AR 724011538134572
  8. Gary Woodward, MDJonesboro, AR 724011326013269

Common questions

What is Stephen M. Killingsworth, MD's NPI number?

Stephen M. Killingsworth, MD's National Provider Identifier (NPI) is 1013985969, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen M. Killingsworth, MD located?

The NPPES record lists a practice address at 200 N Quanah Ave, Russellville, AR, 72801. Phone: (479) 890-0368. Providers update this record themselves, so call before visiting.

How can I verify Stephen M. Killingsworth, MD's license?

NPPES lists Arkansas license number C6433, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephen M. Killingsworth, MD prescribe under Medicare Part D?

In 2024, Stephen M. Killingsworth, MD had 62 Medicare Part D claims for 22 beneficiaries; the average among otolaryngology/facial plastic surgery physician prescribers was 550. Part D covers Medicare prescriptions only.

What is Stephen M. Killingsworth, MD's MIPS final score?

The 2023 MIPS final score is 0 of 100. 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.