NPPES file of Aug 9, 2026

John Louis Oleary, DO

Internal Medicine Physician · Wakefield, RI

John Louis Oleary, DO is an internal medicine physician with a practice address in Wakefield, Rhode Island, and NPI 1871559807, issued on Apr 26, 2006. Check the license (Rhode Island DO333, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1871559807
Name
John Louis Oleary
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
DO333 RI
Self-reported in NPPES; status is on the state search
Practice location
24 Salt Pond RD H1, Wakefield, RI 02879
Phone
(401) 789-2424
Enumerated
Apr 26, 2006
Record last updated
Jun 24, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(401) 782-1076
Medicaid ID
9003074 RI
Medicare enrollment
Enrolled (PECOS I20040427001343); 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 John Louis Oleary in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license DO333
    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 Rhode Island license search

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26% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,357 Medicare Part D claims for 140 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. John Oleary2,357
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium100 claims
  2. Losartan Potassium99 claims
  3. Rosuvastatin Calcium99 claims
  4. Gabapentin73 claims
  5. Prednisone72 claims
  6. Diltiazem 24hr Er (Cd)70 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.

John Louis Oleary among 1,033 internal medicine physician records in Rhode Island

John Louis Oleary, DO is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 62% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1984 · median 2006 among the 590 with a school on file
  • Record last updated2008 · 48% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 internal medicine physician records list a practice address in Wakefield

They are 30 of the 556 NPPES records with a practice address in Wakefield, and 1,033 internal medicine physician records in Rhode Island.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Barratt, M.D.Wakefield, RI 028791528007432
  2. Kristine Cunniff, DOWakefield, RI 028791568400653
  3. Rikhi D'Souza, DOWakefield, RI 028791215924063
  4. Nitin Damle, MDWakefield, RI 028791457399388
  5. Heidi Dorris, M.D.Wakefield, RI 028791639175482
  6. Bruce Famiglietti, MDWakefield, RI 028791356389571
  7. Ulana Farmer, M.D.Wakefield, RI 028791114967585
  8. Shelly Johnson, MDSouth Kingstown, RI 028791528055191

Common questions

What is John Louis Oleary, DO's NPI number?

John Louis Oleary, DO's National Provider Identifier (NPI) is 1871559807, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Louis Oleary, DO located?

The NPPES record lists a practice address at 24 Salt Pond RD H1, Wakefield, RI, 02879. Phone: (401) 789-2424. Providers update this record themselves, so call before visiting.

How can I verify John Louis Oleary, DO's license?

NPPES lists Rhode Island license number DO333, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Louis Oleary, DO prescribe under Medicare Part D?

In 2024, John Louis Oleary, DO had 2,357 Medicare Part D claims for 140 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.