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DR. TERESA MARIE BRENNAN D.O.
NPI 1154391753
Family Medicine in St. Augustine, FL

Active since January 25, 2006PECOS EnrolledAccepts Medicare Assignment
2460 #5 OLD MOULTRIE AVENUE, ST. AUGUSTINE, FL 32086(904) 797-5740(904) 797-5749 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Teresa Marie Brennan D.o. NPPES

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

DR. TERESA MARIE BRENNAN D.O. (NPI 1154391753) is an individual family medicine provider in St. Augustine, Florida, licensed in Florida (OS11702) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Flagler Hospital, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (1982).

NPPES Registry Identity

NPI1154391753
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. TERESA MARIE BRENNANCredential: D.O.
Location Address2460 #5 OLD MOULTRIE AVENUESt. Augustine, FL 32086-4198
Mailing Address100 Arricola AveSt Augustine, FL 32080-4515 · (904) 797-5740 · Fax (904) 797-5749
Phone(904) 797-5740
Fax(904) 797-5749
Sole ProprietorNo
Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 1982
Enumeration DateJanuary 25, 2006
Last NPPES UpdateFebruary 19, 2026
NPPES CertifiedFebruary 19, 2026
✔ NPI 1154391753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in FL · OS11702
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Teresa Marie Brennan D.o. 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 ID5698926269
PECOS Enrollment IDI20121107000267
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Teresa Brennan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Island Doctors Intrastate LLC
Primary Care
100 ARRICOLA AVE
Saint Augustine, FL 32080
  • Reassigned Medicare billing, Florida enrollment
  • 73 clinicians in this Medicare group
NPI 1568083889 (904) 825-4368
Roy H Hinman MD PA
Family Medicine
100 ARRICOLA AVENUE
St Augustine, FL 32080
  • Reassigned Medicare billing, Florida enrollment
  • 82 clinicians in this Medicare group
NPI 1649383845 (904) 825-4368
Solantic Of Jacksonville, LLC
Urgent Care
151 PINE LAKE DRIVE, SUITE B
Ponte Vedra, FL 32081
  • Reassigned Medicare billing, Florida enrollment
  • 189 clinicians in this Medicare group
NPI 1407893100 (904) 543-3677

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
39 services24 patients
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.
17 services13 patients

Hospital Affiliations CMS Care Compare

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

Flagler Hospital

Acute Care Hospitals · Saint Augustine, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100090
Location400 Health Park BlvdSaint Augustine, FL 32086 · St. Johns County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32086 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Teresa Brennan's NPI number?

The NPI number for Teresa Brennan is 1154391753. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is Teresa Brennan located?

Teresa Brennan practices at 2460 #5 Old Moultrie Avenue, St. Augustine, FL 32086. The listed phone number is (904) 797-5740.

What is Teresa Brennan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Teresa Brennan enrolled in Medicare?

Yes. Teresa 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.

Which organizations bill Medicare for Teresa Brennan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Teresa Brennan reassigns Medicare benefits to 3 organizations: Island Doctors Intrastate LLC (Saint Augustine, FL), Roy H Hinman MD PA (St Augustine, FL) and Solantic Of Jacksonville, LLC (Ponte Vedra, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Teresa Brennan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Teresa Brennan accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and UnitedHealthcare list Teresa 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 Teresa Brennan affiliated with any hospitals?

According to CMS data, Teresa Brennan is affiliated with Flagler Hospital.

When was this NPI record last updated?

The NPPES record for Teresa Brennan was last updated on February 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.