Dr. Mohamad Fatin Atassi, MD
- Medicare services, 2024
- 945
- Medicare patients, 2024
- 320
- Part D claims, 2024
- 4,340
- Hospital affiliations
- 2
- Industry payments
- $2,249
- Practice address
- 9831 South Western Ave., Chicago, IL 60643
- Practice phone
- Call (773) 445-3500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advocate Medical Group Beverly Outpatient Center
Mammography / Breast Imaging Center · Chicago, Illinois
Find Dr. Atassi's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mohamad Fatin Atassi is a cardiologist in Chicago, Illinois
Dr. Atassi practices at Advocate Medical Group Beverly Outpatient Center in Chicago, Illinois.
Dr. Atassi's NPI, 1073508172, was assigned on September 14, 2005. Dr. Atassi graduated from Damascus University Faculty of Medicine in 1977. Dr. Atassi holds Illinois license 036062020.
- NPI
- 1073508172NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173551686
- NPI enumeration date
- September 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (773) 445-3500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mohamad Fatin Atassi practices at Advocate Medical Group Beverly Outpatient Center in Chicago, Illinois
Dr. Atassi's primary practice is Advocate Medical Group Beverly Outpatient Center, at 9831 South Western Ave., Chicago, IL 60643. The practice phone is (773) 445-3500.
- Advocate Medical Group Beverly Outpatient Center9831 South Western Ave., Chicago, IL 60643Phone(773) 445-3500
Source: Dmand AI Affiliation Data
Dr. Mohamad Fatin Atassi is affiliated with 7 sites of care and 3 medical groups
Dr. Atassi's primary practice is Advocate Medical Group Beverly Outpatient Center in Chicago, Illinois. Dr. Atassi is also affiliated with Advocate Trinity Hospital. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Atassi to 1 more hospital, 3 group practices and clinics, 2 medical groups and 1 home health agency, each named with a free account. Dr. Atassi's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mohamad Fatin Atassi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Atassi practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Medical Group Beverly Outpatient Center | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mohamad Fatin Atassi is one of 908 cardiologists in Illinois
Cardiovascular disease is Dr. Atassi's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Atassi is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Atassi is licensed in Illinois.
Specialties and state licenses
- Cardiovascular disease, IllinoisPrimary
Clinical focus
Dmand AI lists aneurysm, aortic atherosclerois, atrial fibrillation and flutter, cardiomyopathy, chronic hypertension, chronic skin ulcer, coronary artery disease and heart blockage among the conditions Dr. Atassi treats.
Cardiologists near Dr. Atassi
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mohamad Fatin Atassi billed Medicare for 945 services in 2024
CMS data shows 945 Medicare services from Dr. Atassi across 10 procedure codes in 2024, for 320 Medicare patients. Medicare paid $73,203 for them. Every service was in an office.
Dr. Atassi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6932024: 6339%
- Tests and treatments
- 2023: 1522024: 12021%
- Lab and pathology
- 2023: 1242024: 8035%
- Surgery
- 2023: 902024: 7220%
- Other services
- 2023: 452024: 4011%
Dr. Atassi compared with the Illinois median for cardiologists, 2024
- Dr. Atassi
- Illinois median
- Medicare services
- 945vs 1,93651% below
- Medicare patients
- 320vs 1,02369% below
- Part D claims
- 3,795vs 1,5022.5 times
Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Atassi's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Atassi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Atassi and other cardiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mohamad Fatin Atassi treated 320 Medicare patients in 2024, average age 75
CMS counts 320 Medicare patients who saw Dr. Atassi in 2024. The largest group is 65 to 74, with 128 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Atassi's median patient age at 77, with 61% women.
Dr. Atassi's Medicare patients by age, 2024
Dr. Atassi's Medicare patients by sex, 2024
- Women21166%
- Men10934%
Chronic conditions among Dr. Atassi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Chronic kidney disease48%
- Diabetes44%
- Heart failure38%
- Ischemic heart disease34%
- COPD24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Atassi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mohamad Fatin Atassi wrote 4,340 Medicare Part D claims in 2024
In 2024, Dr. Atassi wrote 4,340 Medicare Part D claims for 573 patients. 86% of them were for generic drugs. CMS names the drug for 3,795 of them, across 58 drugs with 11 or more claims each, at $421,457 in total drug cost. In 2023, CMS named 4,074 claims across 67 drugs.
Dr. Atassi's Part D claims by kind of drug, 2024
- Generic3,753 claims86%
- Brand-name567 claims13%
- Other20 claims0%
Dr. Atassi's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Atassi's Part D claims, 2024
- Opioids1%40 of 4,340 claims
- Antibiotics1%23 of 4,340 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,0742024: 3,7957%
Drugs named by CMS: 58 in 2024, 67 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Mohamad Fatin Atassi takes part in Medicare
Dr. Atassi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mohamad Fatin Atassi received $2,249 in industry payments from 2016 to 2025
CMS Open Payments shows 117 general payments to Dr. Atassi from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $479.
General payments to Dr. Atassi by program year, 2016 to 2025
General payments to Dr. Atassi by kind, 2016 to 2025
- Food and beverage$2,23799%
- Education$121%
Companies that paid Dr. Atassi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mohamad Fatin Atassi has 1 award and honors on record
Dmand AI lists 1 award for Dr. Atassi.
Awards and honors for Dr. Atassi
- Undated
- ACC Fellow
Source: Dmand AI Professional Profile Data
Dr. Mohamad Fatin Atassi graduated from Damascus University Faculty of Medicine
Dr. Atassi graduated from Damascus University Faculty of Medicine in 1977. Dr. Atassi is a member of ACC.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Mohamad Fatin Atassi accepts plans from 19 insurance carriers
Dr. Atassi is in network with 19 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- HCSC
- Blue Cross Blue Shield of Michigan
- Cigna
- United Healthcare
- Elevance
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +11 more carriersWith a free account
Plan types Dr. Atassi accepts, by number of carriers
- PPO11
- HMO9
- Medicare8
- POS7
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Mohamad Fatin Atassi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mohamad Fatin Atassi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mohamad Fatin Atassi's NPI number?
Dr. Mohamad Fatin Atassi's NPI number is 1073508172. It was assigned on September 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mohamad Fatin Atassi?
Dr. Mohamad Fatin Atassi is a cardiologist in Chicago, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Mohamad Fatin Atassi practice?
Dr. Atassi practices at 9831 South Western Ave., Chicago, IL 60643. Dr. Atassi's primary practice is Advocate Medical Group Beverly Outpatient Center in Chicago, Illinois. Dmand AI also links Dr. Atassi to 1 hospital, 3 group practices and clinics, 2 medical groups and 1 home health agency.
What is Dr. Mohamad Fatin Atassi's office phone number?
The practice phone on file for Dr. Atassi is (773) 445-3500.
What is Dr. Mohamad Fatin Atassi's medical license number?
Dr. Atassi holds Illinois license 036062020.
Which hospitals is Dr. Mohamad Fatin Atassi affiliated with?
Dr. Atassi is affiliated with Advocate Trinity Hospital. Dmand AI links Dr. Atassi to 1 more hospital.
What medical group is Dr. Mohamad Fatin Atassi part of?
Dr. Atassi is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Atassi to 2 more medical groups.
Does Dr. Mohamad Fatin Atassi accept Medicare?
Yes. CMS data shows Dr. Atassi billed Medicare for 945 services in 2024, and Dr. Atassi accepts Medicare assignment.
How many Medicare patients does Dr. Mohamad Fatin Atassi see?
CMS counts 320 Medicare patients who saw Dr. Atassi in 2024, with an average age of 75.
Is Dr. Mohamad Fatin Atassi board certified?
Yes. Dr. Atassi is board certified in cardiovascular disease by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Mohamad Fatin Atassi bill to Medicare?
In 2024, Dr. Atassi's most billed Medicare services were office visit, established patient (99214), lab and pathology test (85610) and heart test or procedure (93306).
Where did Dr. Mohamad Fatin Atassi go to medical school?
Dr. Atassi graduated from Damascus University Faculty of Medicine in 1977.
What drugs does Dr. Mohamad Fatin Atassi prescribe most?
In 2024 Medicare Part D data, Dr. Atassi's most prescribed drugs by claims were Amlodipine Besylate, Metoprolol Succinate and Atorvastatin Calcium.
Has Dr. Mohamad Fatin Atassi received payments from drug or device companies?
CMS Open Payments shows $2,249 in general payments to Dr. Atassi from 17 companies from 2016 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Mohamad Fatin Atassi been practicing?
Dr. Atassi graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Mohamad Fatin Atassi accept?
Dr. Atassi is in network with 19 carriers, including Aetna, HCSC and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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