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THERESA MARIE BRENNAN MD
NPI 1063400620
Internal Medicine - Cardiovascular Disease in Iowa City, IA

Active since October 07, 2005PECOS EnrolledAccepts Medicare Assignment
200 HAWKINS DR, IOWA CITY, IA 52242(319) 356-1607(319) 356-4552 Get Directions Write a Review

NPPES record last updated: January 18, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Theresa Marie Brennan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THERESA MARIE BRENNAN MD (NPI 1063400620) is an individual cardiovascular disease provider in Iowa City, Iowa, licensed in Iowa (30434) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with University Of Iowa Hospital & Clinics, and is a graduate of Northwestern University Feinberg Medical School (1992).

NPPES Registry Identity

NPI1063400620
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameTHERESA MARIE BRENNANCredential: MD
Location Address200 HAWKINS DRIowa City, IA 52242-1009
Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 356-1607 · Fax (319) 356-4552
Phone(319) 356-1607
Fax(319) 356-4552
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1992
Enumeration DateOctober 7, 2005
Last NPPES UpdateJanuary 18, 2019
✔ NPI 1063400620 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in IA · 30434
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 30434 (IA)
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 30434 (IA)
200 HAWKINS DR, Iowa City, IA 52242
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Other Names 1

Former Name (1)Ms. Theresa Marie Herbst

Other Identifiers 2

Other52299IA · Wellmark Bcbs
Medicaid0130765IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Theresa Marie Brennan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052413564
PECOS Enrollment IDI20070301000000
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
86 services70 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
63 services26 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
51 services31 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
16 services16 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
15 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Iowa Hospital & Clinics

Acute Care Hospitals · Iowa City, IA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number160058
Location200 Hawkins DriveIowa City, IA 52242 · Johnson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANGIL LEE M.D.
Emergency Medicine
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2233
RAMI G. EL ABIAD M.D.
Internal Medicine (Gastroenterology)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-4901
GRERK SUTAMTEWAGUL MD
Internal Medicine (Hematology & Oncology)
200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242
Johnson County (319) 356-1616
DR. KALEB TANNER VEIT D.O.
Internal Medicine (Critical Care Medicine)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2320
OMAR JABER M.D
Chronic Disease Hospital
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 471-8958
JENNIFER MANCUSO MS, CGC
Genetic Counselor, MS
200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242
Johnson County (319) 384-7983
ASHLEY KAISER M.D.
Obstetrics & Gynecology
200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242
Johnson County (319) 356-2294
MRS. NANCY JANE MILLICE
Health Educator
200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242
Johnson County (319) 356-3825

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Theresa Brennan's NPI number?

The NPI number for Theresa Brennan is 1063400620. It was assigned to this individual provider in the NPPES registry on October 7, 2005. The provider is also known as Ms. Theresa Marie Herbst.

Where is Theresa Brennan located?

Theresa Brennan practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-1607.

What is Theresa Brennan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Theresa Brennan enrolled in Medicare?

Yes. Theresa Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Theresa Brennan accept?

Health plans from Medica and Sanford Health Plan list Theresa Brennan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Theresa Brennan affiliated with any hospitals?

According to CMS data, Theresa Brennan is affiliated with University Of Iowa Hospital & Clinics.

When was this NPI record last updated?

The NPPES record for Theresa Brennan was last updated on January 18, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.