NPPES file of Aug 9, 2026

Efthymia P. Papanastassiou, M.D.

Family Medicine Physician · Chicago, IL

Efthymia P. Papanastassiou, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1033181227, issued on Feb 2, 2006. Check the license (Illinois 036091182, 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
1033181227
Name
Efthymia P. Papanastassiou
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036091182 IL
Self-reported in NPPES; status is on the state search
Practice location
7400 W Addison St, Chicago, IL 60634
Phone
(773) 625-1900
Enumerated
Feb 2, 2006
Record last updated
Nov 26, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(773) 625-5348
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 7400 W Addison St

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

  1. Peter Calabrese, D.O.Family Medicine Physician1891766275
  2. Purchit Lacuesta, M.D.Family Medicine Physician1003887423
  3. Camille Love, FNPFamily Nurse Practitioner1770973505
  4. Ryan Paul Urbi, M.D.Family Medicine Physician1801258868

Verify Efthymia P. Papanastassiou 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 036091182
    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.

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

74% fewer Medicare Part D claims than the average family medicine physician in 2024

910 Medicare Part D claims for 208 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Efthymia Papanastassiou910
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium82 claims
  2. Atorvastatin Calcium72 claims
  3. Amlodipine Besylate58 claims
  4. Metoprolol Succinate53 claims
  5. Losartan Potassium37 claims
  6. Hydrochlorothiazide34 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.

Efthymia P. Papanastassiou among 6,215 family medicine physician records in Illinois

Efthymia P. Papanastassiou, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Peter Calabrese, D.O.Chicago, IL 606341891766275
  2. James Daleo, MDChicago, IL 606341255314357
  3. Marek Gawrysz, MDChicago, IL 606341508818055
  4. Edward Ghislandi, MDChicago, IL 606341386623460
  5. Marian Kowalczyk, MDChicago, IL 606341740201664
  6. Beata Kowalczyk Budziakowska, MDChicago, IL 606341114952504
  7. Purchit Lacuesta, M.D.Chicago, IL 606341003887423
  8. Dulces Leon-Jauregui, MDChicago, IL 606341013999481

Common questions

What is Efthymia P. Papanastassiou, M.D.'s NPI number?

Efthymia P. Papanastassiou, M.D.'s National Provider Identifier (NPI) is 1033181227, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Efthymia P. Papanastassiou, M.D. located?

The NPPES record lists a practice address at 7400 W Addison St, Chicago, IL, 60634. Phone: (773) 625-1900. Providers update this record themselves, so call before visiting.

How can I verify Efthymia P. Papanastassiou, M.D.'s license?

NPPES lists Illinois license number 036091182, 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 Efthymia P. Papanastassiou, M.D. prescribe under Medicare Part D?

In 2024, Efthymia P. Papanastassiou, M.D. had 910 Medicare Part D claims for 208 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.