NPPES file of Aug 9, 2026

Mohamad Fatin Atassi, MD

Cardiovascular Disease Physician · Chicago, IL

Mohamad Fatin Atassi, MD is a cardiovascular disease physician with a practice address in Chicago, Illinois, and NPI 1073508172, issued on Sep 14, 2005. Check the license (Illinois 036062020, 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
1073508172
Name
Mohamad Fatin Atassi
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
036062020 IL
Self-reported in NPPES; status is on the state search
Practice location
6625 S Pulaski RD, Chicago, IL 60629
Phone
(773) 585-1555
Enumerated
Sep 14, 2005
Record last updated
Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(773) 585-1787
Medicaid ID
036062020 IL
Medicare enrollment
Enrolled (PECOS I20050727000108); 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 6625 S Pulaski RD

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

  1. Amer Husseini, MDCardiovascular Disease Physician1578544664

Verify Mohamad Fatin Atassi 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 036062020
    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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41% more Medicare Part D claims than the average cardiovascular disease physician in 2024

4,340 Medicare Part D claims for 573 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 40 claims were for opioids.

  1. Mohamad Atassi4,340
  2. Specialty average3,078

Most prescribed

  1. Amlodipine Besylate345 claims
  2. Metoprolol Succinate336 claims
  3. Atorvastatin Calcium334 claims
  4. Losartan Potassium286 claims
  5. Carvedilol180 claims
  6. Eliquis173 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: $409.11

20 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mohamad Atassi$409.11
  2. Specialty average$3,819.56

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. Advocate Health And Hospitals CorporationChicago, IL

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

Mohamad Fatin Atassi among 1,073 cardiovascular disease physician records in Illinois

Mohamad Fatin Atassi, MD is one of 1,073 cardiovascular disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1977 · median 2001 among the 688 with a school on file
  • Record last updated2021 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Illinois

There are 1,073 cardiovascular disease physician records in Illinois.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Mohamed Dahodwala, MDChicago, IL 606291043230857
  2. Amer Husseini, MDChicago, IL 606291578544664
  3. Mercedita Jacob, M.D.Chicago, IL 606291245288810
  4. Ashish Mukherjee, M.D., F.A.C.C.Chicago, IL 606291710997259
  5. Nancy Streitmatter, MDChicago, IL 606291265444590
  6. Bronislaw OrawiecChicago, IL 606301932274594
  7. Anthony Balesteri, MDChicago, IL 606311194718353
  8. Raymond Fisher, M.D.Chicago, IL 606311104886779

Common questions

What is Mohamad Fatin Atassi, MD's NPI number?

Mohamad Fatin Atassi, MD's National Provider Identifier (NPI) is 1073508172, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mohamad Fatin Atassi, MD located?

The NPPES record lists a practice address at 6625 S Pulaski RD, Chicago, IL, 60629. Phone: (773) 585-1555. Providers update this record themselves, so call before visiting.

How can I verify Mohamad Fatin Atassi, MD's license?

NPPES lists Illinois license number 036062020, 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 Mohamad Fatin Atassi, MD prescribe under Medicare Part D?

In 2024, Mohamad Fatin Atassi, MD had 4,340 Medicare Part D claims for 573 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.