NPPES file of Aug 9, 2026

Andreina Tarff Leal, MD

Internal Medicine Physician · Chicago, IL

Andreina Tarff Leal, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1588231443, issued on Jun 9, 2021. Check the license (Illinois 036171964, 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
1588231443
Name
Andreina Tarff Leal
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036171964 IL
Self-reported in NPPES; status is on the state search
Practice location
4646 N Marine Dr FL 7, Chicago, IL 60640
Phone
(773) 564-5225
Enumerated
Jun 9, 2021
Record last updated
Dec 30, 2024
Fax
(773) 564-5226
Medicare enrollment
Enrolled (PECOS I20250103000935); 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.
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Also registered at 4646 N Marine Dr FL 7

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

  1. Ishtiaq Hussain, MDInternal Medicine Physician1801411434
  2. Chineze Nwankwo, MDInternal Medicine Physician1497493746
  3. Jianshu Qi, MDInternal Medicine Physician1528804887
  4. Athittaya Techawantochandej, MDInternal Medicine Physician1851950067

Verify Andreina Tarff Leal 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 036171964
    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

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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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

72 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Andreina Tarff Leal72
  2. Specialty average3,176

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.

Bills Medicare through one group practice

  1. Rush University Medical GroupChicago, IL

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

Andreina Tarff Leal among 7,238 internal medicine physician records in Illinois

Andreina Tarff Leal, MD 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 2021, is newer than 74% of them.

  • NPI issued2021 · 74% of these records are older, 22% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2009 · median 2003 among the 3,580 with a school on file
  • Record last updated2024 · 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. Maher Al-Koubaytari, M.D.Chicago, IL 606401437124419
  2. Shehzad Ali, M.D.Chicago, IL 606401548233117
  3. Susan Alt, MDChicago, IL 606401255384277
  4. Emily Chatskis, MDChicago, IL 606401790771434
  5. Lorrie Elliott, M.D.Chicago, IL 606401265474191
  6. Aleksandra Ivanovic, MDChicago, IL 606401477546711
  7. Christopher Konstantelos, M.DChicago, IL 606401952330243
  8. Sean Le, M.D.Chicago, IL 606401578552915

Common questions

What is Andreina Tarff Leal, MD's NPI number?

Andreina Tarff Leal, MD's National Provider Identifier (NPI) is 1588231443, issued on Jun 9, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Andreina Tarff Leal, MD located?

The NPPES record lists a practice address at 4646 N Marine Dr FL 7, Chicago, IL, 60640. Phone: (773) 564-5225. Providers update this record themselves, so call before visiting.

How can I verify Andreina Tarff Leal, MD's license?

NPPES lists Illinois license number 036171964, 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 Andreina Tarff Leal, MD prescribe under Medicare Part D?

In 2024, Andreina Tarff Leal, MD had 72 Medicare Part D claims for 14 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.