Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Maggie Brennan O'Block, RN, APN

Individual provider Nurse Practitioner · NPI 1295287365

Mrs. Maggie Brennan O'Block, RN, APN is a Nurse Practitioner in Nashville, Tennessee. Graduated from Vanderbilt University School of Medicine in 2016, 10 years ago. Practices with Vanderbilt University Medical Center, a 3,466-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Tennessee.

Years since qualifying
10
Trained at
Vanderbilt University School of Medicine
Licensed in
TN
In the registry since
2016
Specialties on file
3
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Practice location Address checks out

3601 The Vanderbilt Clinic
Nashville, TN 37232-2247
Phone: (615) 936-2000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1725 Medical Center Pkwy, Murfreesboro, TN 37129-2247 — (615) 225-1990

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence 21525 (TN)
Nurse Practitioner Taxonomy 363L00000X · Licence APN0000021525 (TN)
Women's Health Nurse Practitioner Taxonomy 363LW0102X · Licence 21525 (TN)

Record details

NPI number1295287365
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , APN
Sole proprietorNo
NPI enumeratedOctober 25, 2016
Last updated in NPPESDecember 10, 2023
Certification dateDecember 10, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Vanderbilt University Medical Center — 3466 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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