NPPES file of Aug 9, 2026

Mark S. Malone, MD

Family Medicine Physician · Fort Defiance, AZ

Mark S. Malone, MD is a family medicine physician with a practice address in Fort Defiance, Arizona, and NPI 1487744827, issued on Oct 14, 2006. Check the license on the Arizona 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
1487744827
Name
Mark S. Malone
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
J6560 TX
E1291 AR
Self-reported in NPPES; status is on the state search
Practice location
Corner OF Route N12 And N7, Fort Defiance, AZ 86504
Phone
(928) 729-8000
Enumerated
Oct 14, 2006
Record last updated
Oct 31, 2025
Medicaid IDs
131726001 AR
203997002 MO
Medicare enrollment
Enrolled (PECOS I20100728000603); accepts Medicare assignment
Medical or professional school
Texas A & M University System, Hsc, College Of Medicine, 1993
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 Corner OF Route N12 And N7

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

  1. Moaz Abulfaraj, MDSurgery Physician1861797193
  2. Walter Adam, MDFamily Medicine Physician1053368860
  3. Margaret Adams, ARNPFamily Nurse Practitioner1427455682
  4. Sandra Adkins, DDSDentist1710918131
  5. Elizabeth Agre, PT, DPTPhysical Therapist1891268280
  6. Mohammad Akhavan Heidari, MDSurgery Physician1205041571

Verify Mark S. Malone in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck 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 Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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85% fewer Medicare Part D claims than the average family medicine physician in 2024

521 Medicare Part D claims for 273 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 32 claims were for opioids.

  1. Mark Malone521
  2. Specialty average3,544

Most prescribed

  1. Cefuroxime52 claims
  2. Atorvastatin Calcium38 claims
  3. Prednisone31 claims
  4. Furosemide22 claims
  5. Levofloxacin22 claims
  6. Amoxicillin-Clavulanate Potass20 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.

Bills Medicare through 2 group practices

  1. North Texas Physician Services, PLLCLongview, TX
  2. The Fort Defiance Indian Hospital Board, IncorporationFort Defiance, AZ

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

Mark S. Malone among 3,119 family medicine physician records in Arizona

Mark S. Malone, MD is one of 3,119 family medicine physician records with a practice address in Arizona. 75% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1993 · median 2006 among the 1,775 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

24 family medicine physician records list a practice address in Fort Defiance

They are 24 of the 590 NPPES records with a practice address in Fort Defiance, and 3,119 family medicine physician records in Arizona.

The 8 family medicine physician records with the nearest ZIP codes

  1. Walter Adam, MDFort Defiance, AZ 865041053368860
  2. Esker Arvanetes Ellis, DOFort Defiance, AZ 865041073625547
  3. David Barnes, MDFort Defiance, AZ 865041457352205
  4. Linda Brown Trudel, MDFort Defiance, AZ 865041043262835
  5. Barbara Defirmian, MDFort Defiance, AZ 865041215150040
  6. Jennifer England, MDFort Defiance, AZ 865041700824570
  7. John Henwood, M.D.Fort Defiance, AZ 865041386752293
  8. John Jutting, MDFort Defiance, AZ 865041265574800

Common questions

What is Mark S. Malone, MD's NPI number?

Mark S. Malone, MD's National Provider Identifier (NPI) is 1487744827, issued on Oct 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark S. Malone, MD located?

The NPPES record lists a practice address at Corner OF Route N12 And N7, Fort Defiance, AZ, 86504. Phone: (928) 729-8000. Providers update this record themselves, so call before visiting.

How can I verify Mark S. Malone, MD's license?

Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark S. Malone, MD prescribe under Medicare Part D?

In 2024, Mark S. Malone, MD had 521 Medicare Part D claims for 273 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.