MASS GENERAL BRIGHAM
NPI 1598551012
Nurse Practitioner in Boston, MA

NPI Status: Active since April 21, 2025

Contact Information

55 FRUIT ST
BOSTON, MA
ZIP 02114
Phone: (617) 726-2000

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  • Organization
  • Nurse Practitioner

About MASS GENERAL BRIGHAM

This page provides the complete NPI Profile along with additional information for Mass General Brigham, a provider established in Boston, Massachusetts operating as a Nurse Practitioner. The healthcare provider is registered in the NPI registry with number 1598551012 assigned on April 2025. The practitioner's primary taxonomy code is 363L00000X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Katelyn Victoria Barry Acagnp-bc (Np)

NPI
1598551012
Provider Name
MASS GENERAL BRIGHAM
Entity Type
Organization
Location Address
55 FRUIT ST BOSTON, MA 02114
Location Phone
(617) 726-2000
Mailing Address
55 FRUIT ST BOSTON, MA 02114
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-21-2025
Last Update Date
04-24-2025
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A nurse practitioner (NP) like Mass General Brigham is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Nurse Practitioner

Taxonomy Code
363L00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
Taxonomy Description
(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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

KATELYN VICTORIA BARRY ACAGNP-BC

Authorized Official Title
NP
Authorized Official Phone
(413) 537-0159

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1598551012, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
Check
2
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 5 → 10 → 1 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 1 + 8 + 8 + 1 + 0 + 5 + 2 + 0 + 2 + 24 = 58

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1598551012.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
55 FRUIT ST
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT ST, WARREN 1220
BOSTON, MA 02114
Internal Medicine (Gastroenterology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine
55 FRUIT ST, 4710B
BOSTON, MA 02114
Thoracic Surgery (Cardiothoracic Vascular Surgery)
55 FRUIT ST, BUL 119
BOSTON, MA 02114
Thoracic Surgery (Cardiothoracic Vascular Surgery)
55 FRUIT ST, MGH, BULFINCH 2
BOSTON, MA 02114
Urology
55 FRUIT ST, GRB 1102
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, CLN 3
BOSTON, MA 02114
Orthopaedic Surgery
55 FRUIT ST, YAW 3E ORTHOPAEDIC ASSOCIATES
BOSTON, MA 02114
Pathology (Anatomic Pathology)
55 FRUIT ST, PATHOLOGY ASSOCIATES WRN 2
BOSTON, MA 02114
Pathology (Anatomic Pathology & Clinical Pathology)
55 FRUIT ST, GRB 5 PATHOLOGY ASSOCIATES
BOSTON, MA 02114
Psychologist
55 FRUIT ST, YAW 6A MASSACHUSSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Internal Medicine (Pulmonary Disease)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology (Pain Medicine)
55 FRUIT ST, CLN 309 ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Internal Medicine (Endocrinology, Diabetes & Metabolism)
55 FRUIT ST, WEL 5
BOSTON, MA 02114
Internal Medicine
55 FRUIT ST, INFECTIOUS DISEASE ASSOCIATES GRJ 504
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT ST, S50 4 MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, CLN 3
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, FND 8 INFECTIOUS DISEASE ASSOCIATES
BOSTON, MA 02114
Anesthesiology (Critical Care Medicine)
55 FRUIT ST, ANESTHESIA ASSOCIATES GRB 406E
BOSTON, MA 02114

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598551012, enumerated as an "organization" on April 21, 2025.

The provider is located at 55 FRUIT ST BOSTON, MA 02114 and the phone number is (617) 726-2000.

Nurse Practitioner with taxonomy code 363L00000X.