Leonardo Oliveira, MD
Internal Medicine Physician · Newark, NJ
Leonardo Oliveira, MD is an internal medicine physician with a practice address in Newark, New Jersey, and NPI 1134625221, issued on Apr 5, 2018. Check the license (New Jersey 25MA10973200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leonardo Oliveira
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA10973200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 374 Chestnut St Ste A, Newark, NJ 07105
- Phone
- (973) 902-3116
- Enumerated
- Apr 5, 2018
- Record last updated
- Sep 8, 2023
- Fax
- (802) 979-2635
- Medicare enrollment
- Enrolled (PECOS I20210928003207); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify Leonardo Oliveira in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA10973200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average internal medicine physician in 2024
781 Medicare Part D claims for 131 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium54 claims
- Amlodipine Besylate34 claims
- Jardiance31 claims
- Carvedilol22 claims
- Losartan-Hydrochlorothiazide22 claims
- Rosuvastatin Calcium20 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: $161.93
9 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.
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
- Rwjbh Emergency Medicine Associates, LLCElizabeth, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonardo Oliveira among 4,632 internal medicine physician records in New Jersey
Leonardo Oliveira, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2018 · median 2000 among the 3,132 with a school on file
- Record last updated2023 · 63% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
184 internal medicine physician records list a practice address in Newark
They are 184 of the 4,875 NPPES records with a practice address in Newark, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Newark → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Muhammad Abdullah, M.D.Newark, NJ 071051265446405
- Lawrence Armenti, MDNewark, NJ 071051982672101
- Tahseen Aslam, MDNewark, NJ 071051295737021
- Olga Benitez, MDNewark, NJ 071051275741209
- Daiva Brazaitis, MDNewark, NJ 071051477555217
- Lucio Cardoso, MDNewark, NJ 071051639119019
- Martin Estok, MDNewark, NJ 071051598735714
- Oleg Frank, MDNewark, NJ 071051457469090
Common questions
What is Leonardo Oliveira, MD's NPI number?
Leonardo Oliveira, MD's National Provider Identifier (NPI) is 1134625221, issued on Apr 5, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Leonardo Oliveira, MD located?
The NPPES record lists a practice address at 374 Chestnut St Ste A, Newark, NJ, 07105. Phone: (973) 902-3116. Providers update this record themselves, so call before visiting.
How can I verify Leonardo Oliveira, MD's license?
NPPES lists New Jersey license number 25MA10973200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leonardo Oliveira, MD prescribe under Medicare Part D?
In 2024, Leonardo Oliveira, MD had 781 Medicare Part D claims for 131 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.