Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Theresa Marie Brennan, MD

Individual provider Internal Medicine Physician · NPI 1063400620

Theresa Marie Brennan, MD practises Interventional Cardiology in Iowa City, Iowa. Graduated from Northwestern University Feinberg Medical School in 1992, 34 years ago. Practices with State University of Iowa, a 1,885-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
34
Trained at
Northwestern University Feinberg Medical School
Licensed in
IA
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone: (319) 356-1607
Fax: (319) 356-4552
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 30434 (IA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 30434 (IA)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 30434 (IA)

Record details

NPI number1063400620
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 7, 2005
Last updated in NPPESJanuary 18, 2019

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1992 (34 years in practice)
Group practice State University Of Iowa — 1885 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients156
Services billed 299 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at State University of Iowa

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1885 clinicians in the practice; 12 are shown here.

Other providers in Iowa City