NPPES file of Aug 9, 2026

Samuel Thomas Harris, M.D.

Internal Medicine Physician · Oxford, MS

Samuel Thomas Harris, M.D. is an internal medicine physician with a practice address in Oxford, Mississippi, and NPI 1558719625, issued on May 31, 2016. Check the license (Mississippi 26457, as entered in NPPES) on the Mississippi State Board of Medical Licensure; 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
1558719625
Name
Samuel Thomas Harris
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
26457 MS
BP10057606 TX
Self-reported in NPPES; status is on the state search
Practice location
1100 Belk Blvd, Oxford, MS 38655
Phone
(662) 232-8100
Enumerated
May 31, 2016
Record last updated
Aug 8, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(662) 232-8391
Medicare enrollment
Enrolled (PECOS I20190827003147); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 2016
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 1100 Belk Blvd

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

  1. Tricia AlejandroStudent in an Organized Health Care Education/Training Program1023713724
  2. Ala Alkofahi, MDInternal Medicine Physician1487148987
  3. Mohammad AlkofahiStudent in an Organized Health Care Education/Training Program1902648264
  4. Mohamed Allami, MDHospitalist Physician1073217188
  5. Kumar Anmol, MBBSStudent in an Organized Health Care Education/Training Program1972497469
  6. Faqeeha ArifStudent in an Organized Health Care Education/Training Program1568358489

Verify Samuel Thomas Harris in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 26457
    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 Mississippi 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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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

89 Medicare Part D claims for 35 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Samuel Harris89
  2. Specialty average3,176

Most prescribed

  1. Furosemide11 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score72.3
  2. Costout of 100 · 30%76.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $299.91

11 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samuel Harris$299.91
  2. Specialty average$1,303.06

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. Comprehensive Hospitalists OF MS, LLCOxford, MS

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

Samuel Thomas Harris among 972 internal medicine physician records in Mississippi

Samuel Thomas Harris, M.D. is one of 972 internal medicine physician records with a practice address in Mississippi. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 60% of them.

  • NPI issued2016 · 60% of these records are older, 38% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2008 among the 585 with a school on file
  • Record last updated2019 · 52% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 internal medicine physician records list a practice address in Oxford

They are 22 of the 1,418 NPPES records with a practice address in Oxford, and 972 internal medicine physician records in Mississippi.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ala Alkofahi, MDOxford, MS 386551487148987
  2. Jeffrey Dennis, MDOxford, MS 386551386750909
  3. Charles Hill, MDOxford, MS 386551871600189
  4. Milton Hobbs, MDOxford, MS 386551801902309
  5. Brett Lampton, MDOxford, MS 386551295828614
  6. Odalys Lara Garcia, MDOxford, MS 386551669958799
  7. Jonathan Massey, MDOxford, MS 386551699745133
  8. Cooper McIntosh, MDOxford, MS 386551780791004

Common questions

What is Samuel Thomas Harris, M.D.'s NPI number?

Samuel Thomas Harris, M.D.'s National Provider Identifier (NPI) is 1558719625, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Thomas Harris, M.D. located?

The NPPES record lists a practice address at 1100 Belk Blvd, Oxford, MS, 38655. Phone: (662) 232-8100. Providers update this record themselves, so call before visiting.

How can I verify Samuel Thomas Harris, M.D.'s license?

NPPES lists Mississippi license number 26457, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Samuel Thomas Harris, M.D. prescribe under Medicare Part D?

In 2024, Samuel Thomas Harris, M.D. had 89 Medicare Part D claims for 35 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Samuel Thomas Harris, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.1 of 100, reported for the practice group. 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.