NPPES file of Aug 9, 2026

Kristen Wortman Sager, M.D.

Medical Oncology Physician · Mena, AR

Kristen Wortman Sager, M.D. is a medical oncology physician with a practice address in Mena, Arkansas, and NPI 1740423912, issued on Apr 16, 2009. Check the license (Arkansas E-15238, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740423912
Name
Kristen Wortman Sager
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License numbers
E-15238 AR
MD.207903 LA
Self-reported in NPPES; status is on the state search
Practice location
400 Crestwood Cir Ste G, Mena, AR 71953
Phone
(479) 385-8011
Enumerated
Apr 16, 2009
Record last updated
Feb 12, 2025
Fax
(479) 802-3067
Medicaid ID
2400100 LA
Medicare enrollment
Enrolled (PECOS I20220712001897); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 2009
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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Also registered at 400 Crestwood Cir Ste G

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

  1. Gary Buckley, PT,,DPTPhysical Therapist1508143694
  2. Lana Philpot, PTAPhysical Therapy Assistant1598963555

Verify Kristen Wortman Sager in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license E-15238
    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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7% more Medicare Part D claims than the average medical oncology physician in 2024

749 Medicare Part D claims for 103 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 64 claims were for opioids.

  1. Kristen Sager749
  2. Specialty average703

Most prescribed

  1. Duloxetine Hcl53 claims
  2. Levothyroxine Sodium51 claims
  3. Ondansetron Odt49 claims
  4. Anastrozole38 claims
  5. Eliquis36 claims
  6. Pantoprazole Sodium36 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: $775.61

41 payments; by number, the most common kind was food and beverage; the largest payer was Exelixis Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kristen Sager$776
  2. Specialty average$11,773

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

  1. American Oncology Partners PARussellville, AR

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

Kristen Wortman Sager among 23 medical oncology physician records in Arkansas

Kristen Wortman Sager, M.D. is one of 23 medical oncology physician records with a practice address in Arkansas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 39% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2009 · median 2006 among the 15 with a school on file
  • Record last updated2025 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Arkansas

There are 23 medical oncology physician records in Arkansas.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Cameron Hilton, MDHot Springs, AR 719131043830342
  2. Sunilkumar Kakadia, MDHot Springs, AR 719131689921017
  3. Prabhakara Reddy, MDHot Springs, AR 719131073514584
  4. Sue Tsuda, M.D.Conway, AR 720341275532715
  5. Md Shadiqul Hoque, M.DNorth Little Rock, AR 721171487918702
  6. Anusha Jillella, MDNorth Little Rock, AR 721171760845804
  7. Sunny R K Singh, MDNorth Little Rock, AR 721171336522895
  8. Ryan Koch, DOSearcy, AR 721431386684603

Common questions

What is Kristen Wortman Sager, M.D.'s NPI number?

Kristen Wortman Sager, M.D.'s National Provider Identifier (NPI) is 1740423912, issued on Apr 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Wortman Sager, M.D. located?

The NPPES record lists a practice address at 400 Crestwood Cir Ste G, Mena, AR, 71953. Phone: (479) 385-8011. Providers update this record themselves, so call before visiting.

How can I verify Kristen Wortman Sager, M.D.'s license?

NPPES lists Arkansas license number E-15238, 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 Kristen Wortman Sager, M.D. prescribe under Medicare Part D?

In 2024, Kristen Wortman Sager, M.D. had 749 Medicare Part D claims for 103 beneficiaries; the average among medical oncology physician prescribers was 703. 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.