Ryan Tomas Brennan, D.O.
Neurology Psychiatry & Neurology
Ryan Tomas Brennan is a Neurology Psychiatry & Neurology specialist based in Milwaukee, WI with over 15 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Ryan Tomas Brennan, D.O. specializes in psychiatry & neurology, serving patients in Milwaukee, WI in group practice. A Michigan State University College of Osteopathic Medicine graduate since 2011, he brings 15+ years of experience. CMS Medicare data shows his patients commonly have high cholesterol, parkinson, and hypertension.
At a glance
- Prescribes opioids less than 49% of reporting doctors in Wisconsin
- Virtual visits available — no app or travel required
Older · 1403dNPPES updated 2022-07-21 · verify NPI on CMS · Verify license at Wisconsin Medical Examining Board
Contact & Location
Practice Location
9200 W Wisconsin Avenue Department of Neurology, Milwaukee, WI 53226-3522
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
Opioid Rx
↓ Lower = better0.86%
Wisconsin avg: 4.3 · US avg: 5.1
✓ Higher than most doctors nationally(-4.2 pts)
Typical range among reporting doctors in Wisconsin0.86% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better79.5%
Wisconsin avg: 82.2 · US avg: 82.8
⚠ Lower than most doctors nationally(-3.3 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
215
Unique beneficiaries
Standard volumePrescription Recipients
345
Patients prescribed
Prescriptions Written
2,567
Total claims
Total Medicare drug cost: $1.27M
Percentile rankings compared against 779 reporting peers in Wisconsin.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Parkinson's Disease, and Hypertension.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-2%) — less common here
A progressive nervous system disorder affecting movement and coordination
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-9%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-6%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+2%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+1%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-6%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$6.6k received from industry
15 transactions reported in 2024 ·High tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Ryan Tomas Brennan's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2011
Michigan State University College of Osteopathic Medicine
15 years in practice
Experienced
Neurologists diagnose and treat disorders of the nervous system including stroke, epilepsy, multiple sclerosis, Parkinson's disease, migraines, neuropathy, and dementia.
Taxonomy: 2084N0400X
Education & Training
Michigan State University College of Osteopathic Medicine (Class of 2011)
Virtual Psychiatry & Neurology Care With Ryan Tomas Brennan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Ryan Tomas Brennan for cholesterol management, follow-up consultations, blood pressure monitoring — no travel to Milwaukee required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Ryan Tomas Brennan
NPI records show Dr. Brennan as active with telehealth listed in Milwaukee, WI. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (414) 805-5200.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Ryan Tomas Brennan
Practice Location
9200 W Wisconsin Avenue Department of Neurology, Milwaukee, WI 53226-3522
Mailing Address
9200 W Wisconsin Avenue Department of Neurology, Milwaukee, WI 53226-3522
This is a provider directory. Contact the office directly to schedule appointments.
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