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Dr. Matthew Steven Willsey, MD, PhD

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Specializes in: Neurosurgery

Baylor College of Medicine (2014)

Professional interests include: brain tumor, deep brain stimulation (DBS), spine problems, and more.

1500 E Medical Center Drive Floor 2 Reception G
Ann Arbor, MI 48109

1-866-909-4449

Dr. Matthew Steven Willsey, MD, PhD is a neurosurgeon in Ann Arbor, MI specializing in neurosurgery. He graduated from Baylor College of Medicine in 2014 and has 12 years of experience. Dr. Matthew Steven Willsey, MD, PhD is affiliated with The University of Texas (UT) System, The Regents of the University of Michigan, Dell Seton Medical Center, University of Michigan Health, Ascension, Dell Children's Medical Center of Central Texas, Ascension Seton Medical Center Austin and Dell Children's Medical Center North Campus.

Office Locations

University of Michigan Health

1500 E Medical Center Drive Floor 2 Reception G
Ann Arbor, MI 48109

1-866-909-4449

(734) 647-9233

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1601 Trinity Street Stop 704
Austin, TX 78712

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300 Pasteur Drive
Stanford, CA 94305

(650) 723-4000

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Some issues Dr. Matthew Steven Willsey, MD, PhD can help you with:

Deep Brain Stimulation (DBS)

Deep brain stimulation (DBS) is a procedure performed to help treat neurological conditions such as Parkinson's disease and epilepsy. Electrode leads are surgically implanted in the brain and connected to a device, called a neurostimulator (deep brain stimulator), that is placed underneath the skin (subcutaneously). The deep brain stimulator can send electrical signals through the electrodes to the brain to restore normal rhythms, or it can block electrical signals in specific areas of the brain to restore functioning. Although not a cure, DBS can treat symptoms of movement disorders such as pain and tremor when medication fails to work.

DBS surgery may be completed in one operating session, but it is more commonly performed in two parts. In the first stage of the procedure, the surgeon will map targets in the brain using CT or MRI imaging to determine where to place the electrodes. Then, by drilling holes into the skull, the surgeon will place the electrodes into specific areas in the brain. The holes will be closed, and patients will require 1-2 days to recover in the hospital. After about two weeks, patients will undergo another surgery to have the deep brain stimulator implanted. The stimulator is usually placed under the skin around the collarbone, chest, or abdomen, and it will be connected to the DBS electrodes through a subcutaneous wire. No component of the DBS system will be visible from outside. Following stimulator implantation, patients may need to recover in the hospital for 1-2 days.

Within 2-4 weeks of the operation, doctors will program the stimulator using a wireless device. Patients will work with their doctor to determine the most effective settings for the stimulator during follow-up visits. Patients will be given a handheld device so that they can turn the stimulator on or off and adjust its settings themselves. The stimulator may have a rechargeable battery, in which case patients will be given a charging unit. Stimulator batteries generally need to be replaced in 3-5 years.

In The News

“The procedure was led by Dr. Oren Sagher, a professor of neurosurgery, and Dr. Matthew Willsey, an assistant professor of neurosurgery and biomedical engineering, both at the University of Michigan.”—"Brain implant for epilepsy tested in 20-minute surgery", Fox News, June 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Matthew Steven Willsey, MD, PhD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

deep brain stimulation lead implantation

In 2023, Dr. Matthew Steven Willsey, MD, PhD performed more deep brain stimulation (DBS) lead implantation procedures for Medicare patients than 95% of providers in related specialties within Michigan.

Top 10%

By Affordability:

brain surgery

cranial surgery

In 2023, Dr. Matthew Steven Willsey, MD, PhD had a list price for brain surgery, and cranial surgery that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Michigan. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Matthew Steven Willsey, MD, PhD treated as a neurosurgeon in Ann Arbor, MI during 2022 were neurostimulator lead placement and cranial surgery.

Volume of procedures performed by Dr. Matthew Steven Willsey, MD, PhD for Medicare patients.

cranial surgery	14
neurostimulator lead placement	14

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Steven Willsey, MD, PhD.

**Gender**
Male	20
Female	22

**Ethnicity**
Non-Hispanic White	29
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	22
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Matthew Steven Willsey, MD, PhD in 2022

The most common conditions of Medicare patients that Dr. Matthew Steven Willsey, MD, PhD treated during 2022 were high cholesterol, hypertension and depression.

Hypertension	57
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	0
Depression	55
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Matthew Steven Willsey, MD, PhD treated as a neurosurgeon in Ann Arbor, MI during 2023 were neurostimulator lead placement and cranial surgery.

Volume of procedures performed by Dr. Matthew Steven Willsey, MD, PhD for Medicare patients.

cranial surgery	12
neurostimulator lead placement	12

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Matthew Steven Willsey, MD, PhD.

**Gender**
Male	35
Female	31

**Ethnicity**
Non-Hispanic White	48
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Matthew Steven Willsey, MD, PhD in 2023

The most common conditions of Medicare patients that Dr. Matthew Steven Willsey, MD, PhD treated during 2023 were high cholesterol, hypertension, depression and osteoperosis.

Hypertension	59
High Cholesterol	62
Stroke	20
Ischemic Heart Disease	26
Depression	36
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	27
Atrial Fibrilation	18
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2022 - 2023

Volume of procedures performed by Dr. Matthew Steven Willsey, MD, PhD for Medicare patients.

The highest averages for the top procedures that Dr. Matthew Steven Willsey, MD, PhD treated as a neurosurgeon in Ann Arbor, MI were neurostimulator lead placement and cranial surgery.

cranial surgery	13
neurostimulator lead placement	13

Average Medicare Patient Data From 2022 - 2023

Information about Medicare patients treated by Dr. Matthew Steven Willsey, MD, PhD.

**Gender**
Female	26
Male	27

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	38
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	0
75 to 84	13
Less than 65	0
65 to 74	25

Average of Total of Conditions of Medicare patients treated by Dr. Matthew Steven Willsey, MD, PhD From 2022 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Matthew Steven Willsey, MD, PhD treated were high cholesterol, hypertension, depression and ischemic heart disease.

Hypertension	58
High Cholesterol	63
Stroke	10
Ischemic Heart Disease	13
Depression	45
Chronic Kidney Disease	0
Asthma	0
Osteoporosis	13
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	10
Atrial Fibrillation	9
Cancer	8
Dementia	0

Education & Training

Dr. Matthew Steven Willsey, MD, PhD graduated from Baylor College of Medicine in 2014. He completed residency at University of Michigan Affiliated Hospitals. He is certified by the Board Certification: Neurological Surgery and has a state license in California.

Medical School: Baylor College of Medicine (2014)

Residency: University of Michigan Affiliated Hospitals

Board Certification: Board Certification: Neurological Surgery

Licensed In: California

Affiliations & Hospitals

Dr. Matthew Steven Willsey, MD, PhD is associated with these hospitals and organizations:

The University of Texas (UT) System

The Regents of the University of Michigan

Dell Seton Medical Center

University of Michigan Health

Ascension

Dell Children's Medical Center of Central Texas

Ascension Seton Medical Center Austin

Dell Children's Medical Center North Campus

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Matthew Steven Willsey, MD, PhD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Boston Scientific Corporation	$45 $45

**Types of Payments**
Food and Beverage	$45

Biography

Dr. Matthew Willsey's specialty is neurosurgery. In his practice, he is particularly interested in spine problems, deep brain stimulation (DBS), and brain tumor. Dr. Willsey's hospital/clinic affiliations include Dell Children's Medical Center of Central Texas, Dell Seton Medical Center, and the University of Michigan Health. His education and training includes medical school at Baylor College of Medicine and residency at a hospital affiliated with the University of Michigan.