ENGIN YILMAZ MD
Prescription History 1245324821
Psychiatry & Neurology - Neurology in Harvey, IL
What does Dr. Yilmaz prescribe?
In 2024, Dr. Yilmaz wrote 2,778 Medicare prescriptions for 50 medications. The most prescribed was Memantine Hcl, with 399 prescriptions for 129 patients.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Yilmaz prescribes.
Medications 50 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other Illinois prescribers.
What it is used for
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Illinois prescribers
Dr. Yilmaz wrote 399 prescriptions for Memantine Hcl, about 6 times as often as the typical Illinois prescriber of it (66). Medicare paid $30.80 per fill, versus $30.45 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Gabapentin is used with other medications to prevent and control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 260 prescriptions for Gabapentin, about 3 times as often as the typical Illinois prescriber of it (87). Medicare paid $18.49 per fill, versus $15.83 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Levetiracetam is used to treat seizures (epilepsy).
Compared with Illinois prescribers
Dr. Yilmaz wrote 186 prescriptions for Levetiracetam, about 3.2 times as often as the typical Illinois prescriber of it (58). Medicare paid $42.46 per fill, versus $30.94 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used to treat symptoms of Parkinson's disease or Parkinson-like symptoms (such as shakiness, stiffness, difficulty moving).
Compared with Illinois prescribers
Dr. Yilmaz wrote 184 prescriptions for Carbidopa-Levodopa, about 2.5 times as often as the typical Illinois prescriber of it (73). Medicare paid $26.91 per fill, versus $28.87 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 175 prescriptions for Lamotrigine, about 3.5 times as often as the typical Illinois prescriber of it (50). Medicare paid $13.87 per fill, versus $12.11 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with Illinois prescribers
Dr. Yilmaz wrote 139 prescriptions for Donepezil Hcl, about 2.1 times as often as the typical Illinois prescriber of it (67). Medicare paid $13.26 per fill, versus $11.52 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Topiramate is used alone or with other medications to prevent and control seizures (epilepsy).
Compared with Illinois prescribers
Dr. Yilmaz wrote 120 prescriptions for Topiramate, about 3.3 times as often as the typical Illinois prescriber of it (36). Medicare paid $13.61 per fill, versus $12.59 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to help prevent migraine.
Compared with Illinois prescribers
Dr. Yilmaz wrote 70 prescriptions for Emgality Pen, about 2.2 times as often as the typical Illinois prescriber of it (32). Medicare paid $820.65 per fill, versus $825.54 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to prevent or treat migraine.
Compared with Illinois prescribers
Dr. Yilmaz wrote 67 prescriptions for Nurtec Odt, about 2.3 times as often as the typical Illinois prescriber of it (30). Medicare paid $1,340.69 per fill, versus $1,542.17 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Illinois prescribers
Dr. Yilmaz wrote 64 prescriptions for Escitalopram Oxalate, about as often as the typical Illinois prescriber of it (60). Medicare paid $8.99 per fill, versus $12.18 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lacosamide is used to prevent and control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 62 prescriptions for Lacosamide, about 1.5 times as often as the typical Illinois prescriber of it (41). Medicare paid $89.00 per fill, versus $136.53 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or with other medications to control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 58 prescriptions for Primidone, about 1.8 times as often as the typical Illinois prescriber of it (32). Medicare paid $29.73 per fill, versus $21.96 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Carbamazepine is used to prevent and control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 55 prescriptions for Carbamazepine Er, about 2.2 times as often as the typical Illinois prescriber of it (25). Medicare paid $113.63 per fill, versus $114.11 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat migraine.
Compared with Illinois prescribers
Dr. Yilmaz wrote 55 prescriptions for Ubrelvy, about 2 times as often as the typical Illinois prescriber of it (27). Medicare paid $1,341.47 per fill, versus $1,345.13 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with Illinois prescribers
Dr. Yilmaz wrote 51 prescriptions for Pregabalin, about 1.3 times as often as the typical Illinois prescriber of it (41). Medicare paid $109.57 per fill, versus $32.81 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with Illinois prescribers
Dr. Yilmaz wrote 50 prescriptions for Quetiapine Fumarate, about 72% as often as the typical Illinois prescriber of it (69). Medicare paid $33.46 per fill, versus $17.32 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Amantadine is used to treat Parkinson's disease, as well as side effects caused by drugs (such as drug-induced extrapyramidal symptoms), chemicals, and other medical conditions.
Compared with Illinois prescribers
Dr. Yilmaz wrote 46 prescriptions for Amantadine, about 1.3 times as often as the typical Illinois prescriber of it (35). Medicare paid $66.91 per fill, versus $39.78 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Clonazepam is used to prevent and control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 40 prescriptions for Clonazepam, about 83% as often as the typical Illinois prescriber of it (48). Medicare paid $14.86 per fill, versus $7.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Clopidogrel is used to prevent heart attacks and strokes in persons with heart disease (recent heart attack), recent stroke, or blood circulation disease (peripheral vascular disease).
Compared with Illinois prescribers
Dr. Yilmaz wrote 39 prescriptions for Clopidogrel, about 63% as often as the typical Illinois prescriber of it (62). Medicare paid $7.63 per fill, versus $11.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Illinois prescribers
Dr. Yilmaz wrote 39 prescriptions for Duloxetine Hcl, about 74% as often as the typical Illinois prescriber of it (53). Medicare paid $29.19 per fill, versus $21.99 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Oxcarbazepine is used alone or with other medications to treat seizure disorders (epilepsy).
Compared with Illinois prescribers
Dr. Yilmaz wrote 37 prescriptions for Oxcarbazepine, about as often as the typical Illinois prescriber of it (35). Medicare paid $86.02 per fill, versus $53.96 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Baclofen is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury/disease).
Compared with Illinois prescribers
Dr. Yilmaz wrote 34 prescriptions for Baclofen, about 88% as often as the typical Illinois prescriber of it (39). Medicare paid $26.90 per fill, versus $18.38 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat seizure disorders, certain psychiatric conditions (manic phase of bipolar disorder), and to prevent migraine headaches.
Compared with Illinois prescribers
Dr. Yilmaz wrote 30 prescriptions for Divalproex Sodium, about half as often as the typical Illinois prescriber of it (56). Medicare paid $17.24 per fill, versus $40.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Rivastigmine is used to treat confusion (dementia) related to Alzheimer's disease and to Parkinson's disease.
Compared with Illinois prescribers
Dr. Yilmaz wrote 30 prescriptions for Rivastigmine, about as often as the typical Illinois prescriber of it (26). Medicare paid $79.34 per fill, versus $58.69 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or with other medications to treat Parkinson's disease.
Compared with Illinois prescribers
Dr. Yilmaz wrote 30 prescriptions for Ropinirole Hcl, about as often as the typical Illinois prescriber of it (33). Medicare paid $14.85 per fill, versus $14.84 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Carbamazepine is used to prevent and control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 29 prescriptions for Carbamazepine, about as often as the typical Illinois prescriber of it (28). Medicare paid $45.85 per fill, versus $50.54 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Yilmaz wrote 28 prescriptions for Trazodone Hcl, about half as often as the typical Illinois prescriber of it (63). Medicare paid $9.26 per fill, versus $8.47 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury).
Compared with Illinois prescribers
Dr. Yilmaz wrote 27 prescriptions for Tizanidine Hcl, about 70% as often as the typical Illinois prescriber of it (39). Medicare paid $13.71 per fill, versus $9.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
There are different types of botulinum toxin products (toxin A and B) with different uses (eye problems, muscle stiffness/spasms, migraines, cosmetic, overactive bladder).
Compared with Illinois prescribers
Dr. Yilmaz wrote 26 prescriptions for Botox, about as often as the typical Illinois prescriber of it (24). Medicare paid $1,088.80 per fill, versus $1,550.98 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or with other medications to control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 26 prescriptions for Phenobarbital, about as often as the typical Illinois prescriber of it (26). Medicare paid $14.19 per fill, versus $30.22 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat anxiety.
Compared with Illinois prescribers
Dr. Yilmaz wrote 25 prescriptions for Lorazepam, about half as often as the typical Illinois prescriber of it (48). Medicare paid $1.42 per fill, versus $6.59 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pyridostigmine is used to improve muscle strength in patients with a certain muscle disease (myasthenia gravis).
Compared with Illinois prescribers
Dr. Yilmaz wrote 23 prescriptions for Pyridostigmine Bromide, about 90% as often as the typical Illinois prescriber of it (26). Medicare paid $151.33 per fill, versus $85.53 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with Illinois prescribers
Dr. Yilmaz wrote 21 prescriptions for Cyclobenzaprine Hcl, about 60% as often as the typical Illinois prescriber of it (35). Medicare paid $37.28 per fill, versus $8.56 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Yilmaz wrote 21 prescriptions for Desipramine Hcl, about as often as the typical Illinois prescriber of it (22). Medicare paid $21.36 per fill, versus $60.40 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to help prevent migraine.
Compared with Illinois prescribers
Dr. Yilmaz wrote 21 prescriptions for Emgality Syringe, about 1.3 times as often as the typical Illinois prescriber of it (16). Medicare paid $988.69 per fill, versus $1,081.47 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Phenytoin is used to prevent and control seizures (also called an anticonvulsant or antiepileptic drug).
Compared with Illinois prescribers
Dr. Yilmaz wrote 20 prescriptions for Phenytoin Sodium Extended, about 82% as often as the typical Illinois prescriber of it (25). Medicare paid $60.11 per fill, versus $31.07 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with Illinois prescribers
Dr. Yilmaz wrote 18 prescriptions for Nortriptyline Hcl, about 75% as often as the typical Illinois prescriber of it (24). Medicare paid $4.67 per fill, versus $14.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pramipexole is used alone or with other medications to treat Parkinson's disease.
Compared with Illinois prescribers
Dr. Yilmaz wrote 18 prescriptions for Pramipexole Dihydrochloride, about 67% as often as the typical Illinois prescriber of it (27). Medicare paid $9.59 per fill, versus $13.93 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with Illinois prescribers
Dr. Yilmaz wrote 17 prescriptions for Prednisone, about 37% as often as the typical Illinois prescriber of it (46). Medicare paid $10.51 per fill, versus $3.88 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Illinois prescribers
Dr. Yilmaz wrote 16 prescriptions for Memantine Hcl Er, about half as often as the typical Illinois prescriber of it (28). Medicare paid $92.76 per fill, versus $80.20 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with Illinois prescribers
Dr. Yilmaz wrote 15 prescriptions for Atorvastatin Calcium, about 7% as often as the typical Illinois prescriber of it (208). Medicare paid $5.93 per fill, versus $9.37 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat anxiety.
Compared with Illinois prescribers
Dr. Yilmaz wrote 13 prescriptions for Buspirone Hcl, about 28% as often as the typical Illinois prescriber of it (47). Medicare paid $3.19 per fill, versus $13.10 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Dimethyl fumarate is used to treat multiple sclerosis (MS).
Compared with Illinois prescribers
Dr. Yilmaz wrote 13 prescriptions for Dimethyl Fumarate, about 68% as often as the typical Illinois prescriber of it (19). Medicare paid $187.34 per fill, versus $1,048.18 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with Illinois prescribers
Dr. Yilmaz wrote 13 prescriptions for Sertraline Hcl, about 19% as often as the typical Illinois prescriber of it (69). Medicare paid $5.62 per fill, versus $8.82 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used with other medications to help control seizures.
Compared with Illinois prescribers
Dr. Yilmaz wrote 12 prescriptions for Clobazam, about 28% as often as the typical Illinois prescriber of it (43). Medicare paid $67.24 per fill, versus $139.12 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used to relieve moderate to severe pain.
Compared with Illinois prescribers
Dr. Yilmaz wrote 12 prescriptions for Hydrocodone-Acetaminophen, about 17% as often as the typical Illinois prescriber of it (71). Medicare paid $21.50 per fill, versus $20.03 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with Illinois prescribers
Dr. Yilmaz wrote 11 prescriptions for Diclofenac Sodium, about 31% as often as the typical Illinois prescriber of it (36). Medicare paid $33.92 per fill, versus $32.63 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a diet supplement used to prevent and treat low blood levels of carnitine.
Compared with Illinois prescribers
Dr. Yilmaz wrote 11 prescriptions for Levocarnitine, about half as often as the typical Illinois prescriber of it (21). Medicare paid $54.59 per fill, versus $84.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This product is used to help reduce itching and pain from certain skin conditions (such as scrapes, minor skin irritations, insect bites).
Compared with Illinois prescribers
Dr. Yilmaz wrote 11 prescriptions for Lidocaine, about 41% as often as the typical Illinois prescriber of it (27). Medicare paid $64.81 per fill, versus $99.01 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Meclizine is an antihistamine that is used to prevent and treat nausea, vomiting, and dizziness caused by motion sickness.
Compared with Illinois prescribers
Dr. Yilmaz wrote 11 prescriptions for Meclizine Hcl, about half as often as the typical Illinois prescriber of it (25). Medicare paid $15.36 per fill, versus $8.26 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Yilmaz’s prescriptions
What does Dr. Yilmaz prescribe most?
In 2024 Medicare Part D data, Dr. Yilmaz's most prescribed medications were Memantine Hcl (399), Gabapentin (260) and Levetiracetam (186).
How does Dr. Yilmaz's prescribing compare with other Illinois prescribers?
Of the 50 medications with a state comparison, Dr. Yilmaz prescribes 16 more often than the typical Illinois prescriber, 12 about as often and 22 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Yilmaz prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the Illinois prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
