Matthew Maximilian O'Brien, M.D.

Family Medicine

Matthew Maximilian O'Brien is a Family Medicine specialist based in Wilmington, DE with over 29 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(302) 478-5650Wilmington, DE
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Matthew Maximilian O'Brien, M.D. has been part of the Wilmington medical community since 2006 in group practice. A Jefferson Medical College of Thomas Jefferson University graduate since 1997, he brings 29+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).

At a glance

  • Uses generic medications more than 62% of reporting doctors in Delaware
  • Virtual visits available — no app or travel required
1 of 163 Family Medicine providers in DESee all Family Medicine in Wilmington29+ years experienceNPI since 2006

Older · 4686dNPPES updated 2013-07-24 · verify NPI on CMS · Verify license at Delaware Board of Medical Licensure & Discipline

Contact & Location

Practice Location

1401 Foulk Rd Ste 202, Wilmington, DE 19803-2763

Fax: (302) 477-0455
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

Opioid Rx

↓ Lower = better

6.19%

Delaware avg: 4 · US avg: 5.1

Lower than most doctors nationally(+1.1 pts)

6.19% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

89.7%

Delaware avg: 84.9 · US avg: 82.8

Higher than most doctors nationally(+6.9 pts)

Typical range among reporting doctors in Delaware

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

207

Unique beneficiaries

Standard volume

Prescription Recipients

250

Patients prescribed

Prescriptions Written

3,796

Total claims

Total Medicare drug cost: $330k

Percentile rankings compared against 134 reporting peers in Delaware.

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.

Patient Condition Panel

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 Hypertension, High Cholesterol, and Arthritis.

Hypertension
Lower than avg (-3%)67%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-3%) — less common here

High Cholesterol
Lower than avg (-9%)61%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-9%) — less common here

Arthritis
Higher than avg (+11%)60%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+11%) — a focus area for this doctor

Anxiety Disorders
Lower than avg (-4%)30%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-4%) — less common here

Ischemic Heart Disease
Lower than avg (-6%)26%

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

Atrial Fibrillation
Higher than avg (+1%)23%

An irregular, often rapid heartbeat that increases the risk of stroke

US avg: 22%

↑ More patients than average (+1%) — a focus area for this doctor

Diabetes
Lower than avg (-13%)21%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-13%) — less common here

Mood Disorders
20%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1997

    Sidney Kimmel Medical College at Thomas Jefferson University

  2. 29 years in practice

    Experienced

Family MedicineAllopathic & Osteopathic Physicians

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Taxonomy: 207Q00000X

Education & Training

Jefferson Medical College of Thomas Jefferson University (Class of 1997)

Practice Footprint

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 490007

View hospital on Medicare Care Compare

Virtual Family Medicine Care With Matthew Maximilian O'Brien

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Matthew Maximilian O'Brien for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Wilmington 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 Matthew Maximilian O'Brien

Dr. O'Brien is listed as active in the NPI registry with telehealth listed in Wilmington, DE. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (302) 478-5650.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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