NPPES file of Aug 9, 2026

Ji Ma, MD

Internal Medicine Physician · Ft Smith, AR

Ji Ma, MD is an internal medicine physician with a practice address in Ft Smith, Arkansas, and NPI 1497953020, issued on Jul 5, 2007. Check the license (Arkansas E5328, 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
1497953020
Name
Ji Ma
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
E5328 AR
Self-reported in NPPES; status is on the state search
Practice location
1001 Towson Ave, Ft Smith, AR 72901
Phone
(479) 441-4000
Enumerated
Jul 5, 2007
Record last updated
May 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(479) 709-7053
Medicaid IDs
166388001 AR
200115950A OK
Medicare enrollment
Enrolled (PECOS I20100317000009); accepts Medicare assignment
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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Verify Ji Ma in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license E5328
    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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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

290 Medicare Part D claims for 151 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 28 claims were for opioids.

  1. Ji Ma290
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass34 claims
  2. Oxycodone Hcl22 claims
  3. Pantoprazole Sodium18 claims
  4. Amlodipine Besylate15 claims
  5. Prednisone15 claims
  6. Eliquis11 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

  1. St Peters Hospital OF The City OF AlbanyAlbany, NY

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

Ji Ma among 768 internal medicine physician records in Arkansas

Ji Ma, MD is one of 768 internal medicine physician records with a practice address in Arkansas. 84% 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 39% of them.

  • NPI issued2007 · 39% of these records are older, 54% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1998 · median 2010 among the 519 with a school on file
  • Record last updated2021 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Arkansas

There are 768 internal medicine physician records in Arkansas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joel Cheong, M.D.Fort Smith, AR 729011255309159
  2. Jon Harper, MDFort Smith, AR 729011548258361
  3. Richard Hinkle, MDFort Smith, AR 729011346238441
  4. Charles Jennings, MDFort Smith, AR 729011558359398
  5. Holly Jennings, MDFort Smith, AR 729011083602825
  6. Fareed Kannout, MDFort Smith, AR 729011144242892
  7. John Kientz, MDFort Smith, AR 729011568450393
  8. Thuylinh Pham, M.D.Fort Smith, AR 729011356396790

Common questions

What is Ji Ma, MD's NPI number?

Ji Ma, MD's National Provider Identifier (NPI) is 1497953020, issued on Jul 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ji Ma, MD located?

The NPPES record lists a practice address at 1001 Towson Ave, Ft Smith, AR, 72901. Phone: (479) 441-4000. Providers update this record themselves, so call before visiting.

How can I verify Ji Ma, MD's license?

NPPES lists Arkansas license number E5328, 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 Ji Ma, MD prescribe under Medicare Part D?

In 2024, Ji Ma, MD had 290 Medicare Part D claims for 151 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.