Mark Carlton Brown, M.D.
Family Medicine Physician · Warm Springs, AR
Mark Carlton Brown, M.D. is a family medicine physician with a practice address in Warm Springs, Arkansas, and NPI 1679785174, issued on May 4, 2007. Check the license (Arkansas C5723, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Carlton Brown
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C5723 AR
Self-reported in NPPES; status is on the state search - Practice location
- 1033 Old Burr RD, Warm Springs, AR 72478
- Phone
- (870) 647-8598
- Enumerated
- May 4, 2007
- Record last updated
- Jan 23, 2026
- Fax
- (870) 647-2477
- Medicaid ID
- 103800001 AR
- Medicare enrollment
- Enrolled (PECOS I20050309001016); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,681 in Arkansas → Look up another NPI →
Also registered at 1033 Old Burr RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Brewer, MSWSocial Worker1811320914
- Amy Jackson, LMSWSocial Worker1922430289
- Sally LittleCase Manager/Care Coordinator1841617537
- Carla MeltonCase Manager/Care Coordinator1285045047
- Barbara Miller, MHPPCase Manager/Care Coordinator1588080915
- Almetrice NelsonCase Manager/Care Coordinator1730504176
Verify Mark Carlton Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license C5723Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
159 Medicare Part D claims for 14 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Meloxicam21 claims
- Montelukast Sodium15 claims
- Warfarin Sodium12 claims
- Linzess11 claims
- Oxcarbazepine11 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 one group practice
- University OF Arkansas For Medical SciencesJonesboro, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Carlton Brown among 1,681 family medicine physician records in Arkansas
Mark Carlton Brown, M.D. is one of 1,681 family medicine physician records with a practice address in Arkansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 39% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1980 · median 2004 among the 1,156 with a school on file
- Record last updated2026 · 58% 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 Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 family medicine physician record lists a practice address in Warm Springs
They are 1 of the 11 NPPES records with a practice address in Warm Springs, and 1,681 family medicine physician records in Arkansas.
All 1,681 in Arkansas → Every provider in Warm Springs → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Coates, MDWalnut Ridge, AR 724761528520228
- Charles Davidson, M.D.Walnut Ridge, AR 724761457425902
- Kevin Diamond, M.D.Walnut Ridge, AR 724761073687505
- Varghese Edattukaren, MDWalnut Ridge, AR 724761912930967
- Elizabeth Fike, DOWalnut Ridge, AR 724761225528540
- Spencer HartWalnut Ridge, AR 724761609512193
- Sandra Howard, FNPWalnut Ridge, AR 724761184010340
- Cassandra Hunter, M.D.Walnut Ridge, AR 724761003250945
Common questions
What is Mark Carlton Brown, M.D.'s NPI number?
Mark Carlton Brown, M.D.'s National Provider Identifier (NPI) is 1679785174, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Carlton Brown, M.D. located?
The NPPES record lists a practice address at 1033 Old Burr RD, Warm Springs, AR, 72478. Phone: (870) 647-8598. Providers update this record themselves, so call before visiting.
How can I verify Mark Carlton Brown, M.D.'s license?
NPPES lists Arkansas license number C5723, 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 Mark Carlton Brown, M.D. prescribe under Medicare Part D?
In 2024, Mark Carlton Brown, M.D. had 159 Medicare Part D claims for 14 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.