Dr. Osamah Abdallah, MD
- Medicare services, 2024
- 619
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 333
- Hospital affiliations
- 2
- Industry payments
- $266
- Practice address
- 4440 W 95th Street, Oak Lawn, IL 60453
- Practice phone
- Call (708) 684-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Abdallah'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. Osamah Abdallah is an internist in Oak Lawn, Illinois
Dr. Abdallah practices at Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health.
Dr. Abdallah's NPI, 1275976144, was assigned on April 10, 2013. Dr. Abdallah graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2013. Dr. Abdallah holds Illinois license 036-140482.
- NPI
- 1275976144NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254632128
- NPI enumeration date
- April 10, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 684-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Osamah Abdallah practices at Advocate Christ Medical Center in Oak Lawn, Illinois
Dr. Abdallah's primary practice is Advocate Christ Medical Center, at 4440 W 95th Street, Oak Lawn, IL 60453 in Cook County. The practice phone is (708) 684-8000.
- Advocate Christ Medical Center4440 W 95th Street, Oak Lawn, IL 60453 · Cook CountyPhone(708) 684-8000
Source: Dmand AI Affiliation Data
Dr. Osamah Abdallah is affiliated with 3 sites of care and 3 medical groups
Dr. Abdallah's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. Dr. Abdallah is also affiliated with Loyola University Medical Center. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Abdallah to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Osamah Abdallah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Abdallah practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Christ Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Osamah Abdallah is one of 5,652 internists in Illinois
Internal medicine is Dr. Abdallah's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Abdallah is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Abdallah
Counts of internists 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. Osamah Abdallah billed Medicare for 619 services in 2024
CMS data shows 619 Medicare services from Dr. Abdallah across 4 procedure codes in 2024, for 184 Medicare patients. Medicare paid $58,262 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Abdallah's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6262024: 6191%
Dr. Abdallah compared with the Illinois median for internists, 2024
- Dr. Abdallah
- Illinois median
- Medicare services
- 619vs 5669% above
- Medicare patients
- 184vs 20812% below
- Part D claims
- 98vs 28465% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Abdallah'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Abdallah and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Osamah Abdallah treated 184 Medicare patients in 2024, average age 72
CMS counts 184 Medicare patients who saw Dr. Abdallah in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have chronic kidney disease, and 75% have heart failure. 42% are also on Medicaid. Their average risk score is 3.23, 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. Abdallah's median patient age at 72, with 46% women.
Dr. Abdallah's Medicare patients by age, 2024
Dr. Abdallah's Medicare patients by sex, 2024
- Women9049%
- Men9451%
Chronic conditions among Dr. Abdallah's Medicare patients, 2024
- Chronic kidney disease75%
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Atrial fibrillation59%
- Diabetes56%
- Arthritis53%
Share of Medicare patients with each condition. A patient can have several.
Dr. Abdallah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Osamah Abdallah wrote 333 Medicare Part D claims in 2024
In 2024, Dr. Abdallah wrote 333 Medicare Part D claims for 104 patients. 80% of them were for generic drugs. CMS names the drug for 98 of them, across 7 drugs with 11 or more claims each, at $8,102 in total drug cost. In 2023, CMS named 72 claims across 5 drugs.
Dr. Abdallah's Part D claims by kind of drug, 2024
- Generic266 claims80%
- Brand-name67 claims20%
Dr. Abdallah'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. Abdallah's Part D claims, 2024
- Opioids4%12 of 333 claims
- Antibiotics3%11 of 333 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: 722024: 9836%
Drugs named by CMS: 7 in 2024, 5 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. Osamah Abdallah takes part in Medicare
Dr. Abdallah 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. Osamah Abdallah received $266 in industry payments from 2018 to 2025
CMS Open Payments shows 7 general payments to Dr. Abdallah from 3 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $144.
General payments to Dr. Abdallah by program year, 2018 to 2025
Companies that paid Dr. Abdallah the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Osamah Abdallah graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Abdallah graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Osamah Abdallah'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Osamah Abdallah
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. Osamah Abdallah's NPI number?
Dr. Osamah Abdallah's NPI number is 1275976144. It was assigned on April 10, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Osamah Abdallah?
Dr. Osamah Abdallah is an internist in Oak Lawn, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Osamah Abdallah practice?
Dr. Abdallah practices at 4440 W 95th Street, Oak Lawn, IL 60453. Dr. Abdallah's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. Dmand AI also links Dr. Abdallah to 2 medical groups and 1 group practice or clinic.
What is Dr. Osamah Abdallah's office phone number?
The practice phone on file for Dr. Abdallah is (708) 684-8000.
What is Dr. Osamah Abdallah's medical license number?
Dr. Abdallah holds Illinois license 036-140482.
Which hospitals is Dr. Osamah Abdallah affiliated with?
Dr. Abdallah practices at Advocate Christ Medical Center in Oak Lawn, Illinois. Dr. Abdallah is also affiliated with Loyola University Medical Center.
What medical group is Dr. Osamah Abdallah part of?
Dr. Abdallah is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Abdallah to 2 more medical groups.
Does Dr. Osamah Abdallah accept Medicare?
Yes. CMS data shows Dr. Abdallah billed Medicare for 619 services in 2024, and Dr. Abdallah accepts Medicare assignment.
How many Medicare patients does Dr. Osamah Abdallah see?
CMS counts 184 Medicare patients who saw Dr. Abdallah in 2024, with an average age of 72.
What services does Dr. Osamah Abdallah bill to Medicare?
In 2024, Dr. Abdallah's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Osamah Abdallah go to medical school?
Dr. Abdallah graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2013.
What drugs does Dr. Osamah Abdallah prescribe most?
In 2024 Medicare Part D data, Dr. Abdallah's most prescribed drugs by claims were Potassium Chloride, Carvedilol and Pantoprazole Sodium.
Has Dr. Osamah Abdallah received payments from drug or device companies?
CMS Open Payments shows $266 in general payments to Dr. Abdallah from 3 companies from 2018 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Osamah Abdallah been practicing?
Dr. Abdallah graduated from medical school in 2013, 13 years ago.
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