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

Dr. Teresa Marie Brennan, DO

Individual provider Family Medicine Physician · NPI 1154391753

Dr. Teresa Marie Brennan, DO is a Family Practice in St Augustine, Florida. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1982, 44 years ago. Practices with Island Doctors Intrastate LLC, a 76-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
44
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
FL
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2460 #5 Old Moultrie Avenue
St Augustine, FL 32086-4198
Phone: (904) 797-5740
Fax: (904) 797-5749
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OS11702 (FL)

Record details

NPI number1154391753
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 25, 2006
Last updated in NPPESFebruary 19, 2026
Certification dateFebruary 19, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1982 (44 years in practice)
Group practice Island Doctors Intrastate Llc — 76 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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