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Dr. Gizem Yassa, MD
NPI1376129874PAC ID3274072483
- Medicare services, 2024
- 307
- Medicare patients, 2024
- 121
- Part D claims, 2024
- 134
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 4201 Medical Center Drive, Mchenry, IL 60050
- Practice phone
- Call (815) 344-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yassa'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. Gizem Yassa is a hospitalist in Mchenry, Illinois
Dr. Yassa practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare.
Dr. Yassa's NPI, 1376129874, was assigned on March 23, 2021. Dr. Yassa holds Illinois license 036166696.
NPI and contact details
- NPI
- 1376129874NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274072483
- NPI enumeration date
- March 23, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 344-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gizem Yassa practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois
Dr. Yassa's primary practice is Northwestern Medicine McHenry Hospital, at 4201 Medical Center Drive, Mchenry, IL 60050 in Mc Henry County. The practice phone is (815) 344-5000.
- Northwestern Medicine McHenry Hospital4201 Medical Center Drive, Mchenry, IL 60050 · Mc Henry CountyPhone(815) 344-5000
Source: Dmand AI Affiliation Data
Dr. Gizem Yassa is affiliated with 2 sites of care and 1 medical group
Dr. Yassa's primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Yassa to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gizem Yassa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yassa practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine McHenry Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gizem Yassa is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Yassa's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Yassa is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Yassa
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
1,321hospitalists in Illinois48hospitalists in Mchenry47hospitalists at Northwestern Medicine McHenry Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gizem Yassa billed Medicare for 307 services in 2024
CMS data shows 307 Medicare services from Dr. Yassa across 3 procedure codes in 2024, for 121 Medicare patients. Medicare paid $26,873 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024307
Medicare patients121
Paid by Medicare$26,873
Procedure codes3
Dr. Yassa compared with the Illinois median for hospitalists, 2024
- Dr. Yassa
- Illinois median
- Medicare services
- 307vs 54343% below
- Medicare patients
- 121vs 24250% below
- Part D claims
- 11vs 5379% below
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Dr. Yassa'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. Yassa and other hospitalists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gizem Yassa treated 121 Medicare patients in 2024, average age 77
CMS counts 121 Medicare patients who saw Dr. Yassa in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.09, 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. Yassa's median patient age at 77, with 54% women.
Medicare patients, 2024121
Average age77
Average risk score2.09
Also on Medicaid17%
Dr. Yassa's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Yassa's Medicare patients by sex, 2024
- Women6755%
- Men5445%
Chronic conditions among Dr. Yassa's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease67%
- Arthritis60%
- Chronic kidney disease51%
- Heart failure48%
- Anxiety46%
- Atrial fibrillation45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yassa'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
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gizem Yassa wrote 134 Medicare Part D claims in 2024
In 2024, Dr. Yassa wrote 134 Medicare Part D claims for 61 patients. 93% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $32 in total drug cost. In 2022, CMS named 14 claims across 1 drug.
Part D claims, 2024134
Drugs named by CMS1
Total drug cost$32
Part D patients61
Dr. Yassa's Part D claims by kind of drug, 2024
- Generic124 claims93%
- Brand-name and other10 claims7%
Dr. Yassa'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. Yassa's Part D claims, 2024
- Antibiotics16%21 of 134 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 142024: 1121%
Drugs named by CMS: 1 in 2024, 1 in 2022.
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. Gizem Yassa takes part in Medicare
Dr. Yassa 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. Gizem Yassa has 2 publications on record
Dmand AI links 2 papers to Dr. Yassa, published from 2021 to 2023. Dr. Yassa's most frequent co-authors are Sunita R. Nathan, MD, Celalettin Ustun, MD and Farah Zahra, MD.
Papers2
Years published2021 to 2023
Dr. Yassa's most frequent co-authors
Recent publications by Dr. Yassa
See who Dr. Yassa researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yassa works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Gizem Yassa'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Gizem Yassa
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. Gizem Yassa's NPI number?
Dr. Gizem Yassa's NPI number is 1376129874. It was assigned on March 23, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Gizem Yassa?
Dr. Gizem Yassa is a hospitalist in Mchenry, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Gizem Yassa practice?
Dr. Yassa practices at 4201 Medical Center Drive, Mchenry, IL 60050. Dr. Yassa's primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Yassa to 1 hospital.
What is Dr. Gizem Yassa's office phone number?
The practice phone on file for Dr. Yassa is (815) 344-5000.
What is Dr. Gizem Yassa's medical license number?
Dr. Yassa holds Illinois license 036166696.
Which hospitals is Dr. Gizem Yassa affiliated with?
Dr. Yassa practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois. Dmand AI links Dr. Yassa to 1 more hospital.
What medical group is Dr. Gizem Yassa part of?
Dr. Yassa is linked to Northwestern Medical Faculty Foundation.
Does Dr. Gizem Yassa accept Medicare?
Yes. CMS data shows Dr. Yassa billed Medicare for 307 services in 2024, and Dr. Yassa accepts Medicare assignment.
How many Medicare patients does Dr. Gizem Yassa see?
CMS counts 121 Medicare patients who saw Dr. Yassa in 2024, with an average age of 77.
What services does Dr. Gizem Yassa bill to Medicare?
In 2024, Dr. Yassa's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
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What drugs does Dr. Gizem Yassa prescribe most?
In 2024 Medicare Part D data, Dr. Yassa's most prescribed drugs by claims were Atorvastatin Calcium.
How long has Dr. Gizem Yassa been practicing?
Dr. Yassa graduated from medical school in 2017, 9 years ago.
Does Dr. Gizem Yassa do research?
Dmand AI links 2 publications to Dr. Yassa, published from 2021 to 2023.
Who does Dr. Gizem Yassa publish with?
Dr. Yassa's most frequent co-authors are Sunita R. Nathan, MD (1 shared paper), Celalettin Ustun, MD (1 shared paper) and Farah Zahra, MD (1 shared paper).
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