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BRENNA MARY CALLAHAN
NPI 1235977430
Nurse Practitioner in Boston, MA

Active since July 20, 2024PECOS Enrolled
55 FRUIT ST, ELLISON 16, BOSTON, MA 02114(617) 827-9369 Get Directions Write a Review

NPPES record last updated: September 19, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 19, 2024, Jul 20, 2024 (2 updates tracked since 2024).

About Brenna Mary Callahan NPPES

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

BRENNA MARY CALLAHAN (NPI 1235977430) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (RN2304503) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235977430
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameBRENNA MARY CALLAHAN
Location Address55 FRUIT ST, ELLISON 16Boston, MA 02114-2621
Mailing Address2 Westmoreland St # 2Boston, MA 02124-5124 · (617) 827-9369
Phone(617) 827-9369
Sole ProprietorNo
Enumeration DateJuly 20, 2024
Last NPPES UpdateSeptember 19, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2024
✔ NPI 1235977430 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MA · RN2304503
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered Nurse · Medical-SurgicalTaxonomy 163WM0705X · License RN2304503 (MA)
55 FRUIT ST, Boston, MA 02114
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brenna Mary Callahan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

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.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

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 Brenna Callahan's NPI number?

The NPI number for Brenna Callahan is 1235977430. It was assigned to this individual provider in the NPPES registry on July 20, 2024.

Where is Brenna Callahan located?

Brenna Callahan practices at 55 Fruit St Ellison 16, Boston, MA 02114. The listed phone number is (617) 827-9369.

What is Brenna Callahan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Brenna Callahan enrolled in Medicare?

Yes. Brenna Callahan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Brenna Callahan was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.