Maggie Brennan O'Block, RN, APN
Gerontology Nurse Practitioner
Maggie Brennan O'Block is a Gerontology Nurse Practitioner based in Nashville, TN with over 10 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Maggie Brennan O'Block, RN, APN specializes in nursing, serving patients in Nashville, TN in group practice. She graduated from Vanderbilt University School of Medicine in 2016 and has 10+ years of clinical experience. Among her Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data).
Older · 897dNPPES updated 2023-12-10 · verify NPI on CMS · Verify license at Tennessee Board of Medical Examiners
Contact & Location
Practice Location
3601 the Vanderbilt Clinic, Nashville, TN 37232-2247
How Does This Doctor Compare?
Medicare Patients
674
Unique beneficiaries
High volumePrescription Recipients
298
Patients prescribed
Prescriptions Written
941
Total claims
Total Medicare drug cost: $156k
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 Hypertension, High Cholesterol, and Cancer.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Diseases involving abnormal cell growth with potential to spread to other body parts
Joint inflammation causing pain, swelling, and stiffness
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Gradual loss of kidney function over time, often linked to diabetes or hypertension
A condition where the body cannot properly regulate blood sugar levels
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$380 received from industry
3 transactions reported in 2024 ·Low 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 Maggie Brennan O'Block's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2016
Vanderbilt University School of Medicine
Board certified · Dec 9, 2023
Self-reported via NPPES
10 years in practice
Established
Definition to come...
Taxonomy: 363LG0600X
Education & Training
Vanderbilt University School of Medicine (Class of 2016)
Mailing address
3841 Green Hills Village Dr Ste 200, Nashville, TN 37215-2691
Differs from practice location
Virtual Nursing Care With Maggie Brennan O'Block
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Maggie Brennan O'Block for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Nashville 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 Maggie Brennan O'Block
Dr. O'Block is listed as active in the NPI registry with telehealth listed in Nashville, TN. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (615) 936-2000.
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 Maggie Brennan O'Block
Practice Location
3601 the Vanderbilt Clinic, Nashville, TN 37232-2247
Mailing Address
3841 Green Hills Village Dr Ste 200, Nashville, TN 37215-2691
This is a provider directory. Contact the office directly to schedule appointments.
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