NPPES file of Aug 9, 2026

Omar Alberto Oliveros, M.D.

Internal Medicine Physician · Chicago, IL

Omar Alberto Oliveros, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1538542337, issued on Jun 30, 2015. Check the license (Illinois 036146049, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1538542337
Name
Omar Alberto Oliveros
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036146049 IL
Self-reported in NPPES; status is on the state search
Practice location
4417 W Diversey Ave, Chicago, IL 60639
Phone
(773) 377-7736
Enumerated
Jun 30, 2015
Record last updated
Sep 16, 2025
Medicare enrollment
Enrolled (PECOS I20181204002916); 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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Also registered at 4417 W Diversey Ave

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

  1. Gioconda Arias, FNPFamily Nurse Practitioner1558806539
  2. Adelis Arias Jimenez, MDFamily Medicine Physician1558833202
  3. Jacqueline CentenoClinical Social Worker1407772080
  4. Emily DavisNurse Practitioner1811415342
  5. Michael Duarte, M.DFamily Medicine Physician1306379268
  6. Deborah Edberg, M.D.Family Medicine Physician1194758722

Verify Omar Alberto Oliveros in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036146049
    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 Illinois license search

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

7,225 Medicare Part D claims for 410 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 117 claims were for opioids.

  1. Omar Oliveros7,225
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium385 claims
  2. Rosuvastatin Calcium257 claims
  3. Losartan Potassium254 claims
  4. Metformin Hcl231 claims
  5. Amlodipine Besylate229 claims
  6. Levothyroxine Sodium216 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: $2,195.84

66 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Omar Oliveros$2,195.84
  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. Oak Street Health Physicians Group PCChicago, IL

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

Omar Alberto Oliveros among 7,238 internal medicine physician records in Illinois

Omar Alberto Oliveros, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 61% of them.

  • NPI issued2015 · 61% of these records are older, 37% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1996 · median 2003 among the 3,580 with a school on file
  • Record last updated2025 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Otto Garcia Montenegro, M.D.Chicago, IL 606391790773992
  2. Reginald Okagbue, MDChicago, IL 606391235309352
  3. Jeremy Patel, M.D.Chicago, IL 606391477902484
  4. Walter Plasencia, M.D.Chicago, IL 606391497715908
  5. Joseph Pundy, MDChicago, IL 606391639110745
  6. Noel Rubio, M.D.Chicago, IL 606391922036797
  7. Elenita Rubio, M.D.Chicago, IL 606391962514984
  8. Mohamad Alzein, MDChicago, IL 606381902900319

Common questions

What is Omar Alberto Oliveros, M.D.'s NPI number?

Omar Alberto Oliveros, M.D.'s National Provider Identifier (NPI) is 1538542337, issued on Jun 30, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Omar Alberto Oliveros, M.D. located?

The NPPES record lists a practice address at 4417 W Diversey Ave, Chicago, IL, 60639. Phone: (773) 377-7736. Providers update this record themselves, so call before visiting.

How can I verify Omar Alberto Oliveros, M.D.'s license?

NPPES lists Illinois license number 036146049, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Omar Alberto Oliveros, M.D. prescribe under Medicare Part D?

In 2024, Omar Alberto Oliveros, M.D. had 7,225 Medicare Part D claims for 410 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.