Dr. Daniel Zeidan Semaan, MD
- Medicare services, 2024
- 436
- Medicare patients, 2024
- 264
- Part D claims, 2024
- 34
- Hospital affiliations
- 3
- Industry payments
- $1,000
- Practice address
- 520 S Maple Ave, Oak Park, IL 60304
- Practice phone
- Call (708) 383-9300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Semaan'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. Daniel Zeidan Semaan is an emergency medicine physician in Oak Park, Illinois
Dr. Semaan practices at Rush Oak Park Hospital in Oak Park, Illinois, part of Rush System for Health.
Dr. Semaan's NPI, 1477015311, was assigned on April 1, 2019. Dr. Semaan graduated from University of Michigan Medical School in 2019. Dr. Semaan holds Illinois license 036159428.
- NPI
- 1477015311NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658607767
- NPI enumeration date
- April 1, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 383-9300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Zeidan Semaan practices at Rush Oak Park Hospital in Oak Park, Illinois
Dr. Semaan's primary practice is Rush Oak Park Hospital, at 520 S Maple Ave, Oak Park, IL 60304 in Cook County. The practice phone is (708) 383-9300.
- Rush Oak Park Hospital520 S Maple Ave, Oak Park, IL 60304 · Cook CountyPhone(708) 383-9300
Source: Dmand AI Affiliation Data
Dr. Daniel Zeidan Semaan is affiliated with 3 sites of care and 2 medical groups
Dr. Semaan's primary practice is Rush Oak Park Hospital in Oak Park, Illinois, part of Rush System for Health. Dr. Semaan is also affiliated with University of Chicago Medical Center. The medical group on file is Rush University Internists. Dmand AI also links Dr. Semaan to 1 more hospital and 1 medical group, 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. Daniel Zeidan Semaan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Semaan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rush Oak Park Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Rush System for Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Daniel Zeidan Semaan is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Semaan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Semaan is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Semaan
Counts of emergency medicine physicians 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. Daniel Zeidan Semaan billed Medicare for 436 services in 2024
CMS data shows 436 Medicare services from Dr. Semaan across 5 procedure codes in 2024, for 264 Medicare patients. Medicare paid $36,853 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Semaan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2742024: 2634%
- Tests and treatments
- 2023: 1522024: 17314%
Dr. Semaan compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Semaan
- Illinois median
- Medicare services
- 436vs 27459% above
- Medicare patients
- 264vs 273Close to median
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Semaan'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. Semaan and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel Zeidan Semaan treated 264 Medicare patients in 2024, average age 71
CMS counts 264 Medicare patients who saw Dr. Semaan in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 53% are also on Medicaid. Their average risk score is 3.19, 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. Semaan's median patient age at 60, with 62% women.
Dr. Semaan's Medicare patients by age, 2024
Dr. Semaan's Medicare patients by sex, 2024
- Women13652%
- Men12848%
Chronic conditions among Dr. Semaan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Diabetes55%
- Ischemic heart disease54%
- Chronic kidney disease49%
- Heart failure41%
- Mood disorders36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Semaan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Zeidan Semaan wrote 34 Medicare Part D claims in 2024
In 2024, Dr. Semaan wrote 34 Medicare Part D claims for 27 patients. 97% of them were for generic drugs.
Dr. Semaan's Part D claims by kind of drug, 2024
- Generic33 claims97%
- Brand-name and other1 claims3%
Drug classes CMS tracks in Dr. Semaan's Part D claims, 2024
- Antibiotics47%16 of 34 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Daniel Zeidan Semaan takes part in Medicare
Dr. Semaan 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. Daniel Zeidan Semaan received $1,000 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Semaan from 1 drug or device company in 2025. Consulting fees make up the largest share, 100% of the total. Baxter Healthcare paid the most, $1,000.
Companies that paid Dr. Semaan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel Zeidan Semaan graduated from University of Michigan Medical School
Dr. Semaan graduated from University of Michigan Medical School in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel Zeidan Semaan'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 (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. Daniel Zeidan Semaan
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. Daniel Zeidan Semaan's NPI number?
Dr. Daniel Zeidan Semaan's NPI number is 1477015311. It was assigned on April 1, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Zeidan Semaan?
Dr. Daniel Zeidan Semaan is an emergency medicine physician in Oak Park, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Daniel Zeidan Semaan practice?
Dr. Semaan practices at 520 S Maple Ave, Oak Park, IL 60304. Dr. Semaan's primary practice is Rush Oak Park Hospital in Oak Park, Illinois, part of Rush System for Health. Dmand AI also links Dr. Semaan to 1 hospital and 1 medical group.
What is Dr. Daniel Zeidan Semaan's office phone number?
The practice phone on file for Dr. Semaan is (708) 383-9300.
What is Dr. Daniel Zeidan Semaan's medical license number?
Dr. Semaan holds Illinois license 036159428.
Which hospitals is Dr. Daniel Zeidan Semaan affiliated with?
Dr. Semaan practices at Rush Oak Park Hospital in Oak Park, Illinois. Dr. Semaan is also affiliated with University of Chicago Medical Center. Dmand AI links Dr. Semaan to 1 more hospital.
What medical group is Dr. Daniel Zeidan Semaan part of?
Dr. Semaan is linked to Rush University Internists. Dmand AI links Dr. Semaan to 1 more medical group.
Does Dr. Daniel Zeidan Semaan accept Medicare?
Yes. CMS data shows Dr. Semaan billed Medicare for 436 services in 2024, and Dr. Semaan accepts Medicare assignment.
How many Medicare patients does Dr. Daniel Zeidan Semaan see?
CMS counts 264 Medicare patients who saw Dr. Semaan in 2024, with an average age of 71.
What services does Dr. Daniel Zeidan Semaan bill to Medicare?
In 2024, Dr. Semaan's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Show 3 more questionsShow fewer questions
Where did Dr. Daniel Zeidan Semaan go to medical school?
Dr. Semaan graduated from University of Michigan Medical School in 2019.
Has Dr. Daniel Zeidan Semaan received payments from drug or device companies?
CMS Open Payments shows $1,000 in general payments to Dr. Semaan from 1 company from 2025 to 2025. The largest total came from Baxter Healthcare.
How long has Dr. Daniel Zeidan Semaan been practicing?
Dr. Semaan graduated from medical school in 2019, 7 years ago.
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