NPPES file of Aug 9, 2026

Samuel Oluwasye Olaleye, MD

Internal Medicine Physician · Newton, MS

Samuel Oluwasye Olaleye, MD is an internal medicine physician with a practice address in Newton, Mississippi, and NPI 1821006644, issued on Aug 4, 2006. Check the license (Mississippi 19437, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821006644
Name
Samuel Oluwasye Olaleye
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
19437 MS
Self-reported in NPPES; status is on the state search
Practice location
191 Northside Dr, Newton, MS 39345
Phone
(601) 357-5118
Enumerated
Aug 4, 2006
Record last updated
Oct 23, 2025
Fax
(601) 683-7055
Medicare enrollment
Enrolled (PECOS I20060825000477); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Verify Samuel Oluwasye Olaleye 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 19437
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

6,922 Medicare Part D claims for 286 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims. 210 claims were for opioids.

  1. Samuel Olaleye6,922
  2. Specialty average3,176

Most prescribed

  1. Mounjaro668 claims
  2. Fluconazole292 claims
  3. Chlorthalidone288 claims
  4. Telmisartan248 claims
  5. Jardiance219 claims
  6. Potassium Chloride197 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: $459.70

22 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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 Olaleye$459.70
  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.

2 internal medicine physician records list a practice address in Newton

They are 2 of the 66 NPPES records with a practice address in Newton, and 972 internal medicine physician records in Mississippi.

Other internal medicine physician records in Mississippi

  1. Elias Abboud, MDLexington, MS1669485983
  2. Mohamed Abdel Latif, MDColumbus, MS1922843549
  3. Ashraf Abdo, MDJackson, MS1770597049
  4. John AbernathyJackson, MS1700670650
  5. Richard Abney, M.D.Meridian, MS1710986591
  6. Joy AbrahamBiloxi, MS1225795842
  7. Ralph Abraham, M.D.Tupelo, MS1881049443
  8. Muhammad Abushaer, MDBooneville, MS1942258983
  9. Ekow Acquah, MDGulfport, MS1013922814
  10. Clement Addo, DOJackson, MS1972353472

Common questions

What is Samuel Oluwasye Olaleye, MD's NPI number?

Samuel Oluwasye Olaleye, MD's National Provider Identifier (NPI) is 1821006644, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Oluwasye Olaleye, MD located?

The NPPES record lists a practice address at 191 Northside Dr, Newton, MS, 39345. Phone: (601) 357-5118. Providers update this record themselves, so call before visiting.

How can I verify Samuel Oluwasye Olaleye, MD's license?

NPPES lists Mississippi license number 19437, 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 Oluwasye Olaleye, MD prescribe under Medicare Part D?

In 2024, Samuel Oluwasye Olaleye, MD had 6,922 Medicare Part D claims for 286 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.