CONSTANCE DUNDON
NPI 1558234377
Clinical Nurse Specialist in Needham, MA

NPI Status: Active since September 26, 2025

Contact Information

148 CHESTNUT ST
NEEDHAM, MA
ZIP 02492
Phone: (781) 453-3000

Get Directions Write a Review

  • Individual
  • Female
  • Clinical Nurse Specialist

About CONSTANCE DUNDON

This page provides the complete NPI Profile along with additional information for Constance Dundon, a provider established in Needham, Massachusetts with a medical specialization in Clinical Nurse Specialist. The healthcare provider is registered in the NPI registry with number 1558234377 assigned on September 2025. The practitioner's primary taxonomy code is 364S00000X with license number RN2290880 (MA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1558234377
Provider Name
CONSTANCE DUNDON
Gender
Female
Entity Type
Individual
Location Address
148 CHESTNUT ST NEEDHAM, MA 02492
Location Phone
(781) 453-3000
Mailing Address
148 CHESTNUT ST NEEDHAM, MA 02492
Mailing Phone
(781) 453-3000
Is Sole Proprietor?
No
Enumeration Date
09-26-2025
Last Update Date
09-26-2025
Code Navigator

A Clinical Nurse Specialist (CNS) like Constance Dundon is a type of advanced practice registered nurse (APRN) that provides direct patient care in various nursing specialties, including pediatrics or psychiatric-mental health. CNSs collaborate with other nurses and medical professionals to improve patient care quality. CNSs are often positioned in leadership roles where they may provide education and mentorship to other nursing personnel. Additionally, CNSs may also conduct research and advocate for certain healthcare policies.

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

Clinical Nurse Specialist

Taxonomy Code
364S00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RN2290880
License State
MA
Taxonomy Description
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.

Reviews for CONSTANCE DUNDON

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1558234377, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
7
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 5 → 10 → 1 2 → 4 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 4 + 3 + 8 + 3 + 1 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1558234377.

Other Providers at the Same Location


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

Physician Assistant
148 CHESTNUT ST
NEEDHAM, MA 02492
Internal Medicine (Cardiovascular Disease)
148 CHESTNUT ST
NEEDHAM, MA 02492
Pathology (Anatomic Pathology & Clinical Pathology)
148 CHESTNUT ST, BETH ISRAEL DEACONESS HOSPITAL
NEEDHAM, MA 02492
Specialist
148 CHESTNUT ST
NEEDHAM, MA 02492
Surgery
148 CHESTNUT ST
NEEDHAM, MA 02492
Internal Medicine (Endocrinology, Diabetes & Metabolism)
148 CHESTNUT ST, JOSLIN CLINIC
NEEDHAM, MA 02492
Internal Medicine
148 CHESTNUT ST
NEEDHAM, MA 02492
Nurse Practitioner (Occupational Health)
148 CHESTNUT ST, BETH ISRAEL DEACONESS HOSPITAL NEEDHAM
NEEDHAM, MA 02492
Internal Medicine (Geriatric Medicine)
148 CHESTNUT ST
NEEDHAM, MA 02492
Clinic/Center (Primary Care)
148 CHESTNUT ST
NEEDHAM, MA 02492
Nurse Practitioner (Family)
148 CHESTNUT ST
NEEDHAM, MA 02492
Psychiatry & Neurology (Neurology)
148 CHESTNUT ST
NEEDHAM, MA 02492
Nurse Practitioner (Acute Care)
148 CHESTNUT ST
NEEDHAM, MA 02492
Nurse Practitioner (Family)
148 CHESTNUT ST
NEEDHAM, MA 02492
Orthopaedic Surgery (Sports Medicine)
148 CHESTNUT ST
NEEDHAM, MA 02492
Surgery
148 CHESTNUT ST
NEEDHAM, MA 02492
Internal Medicine (Hematology & Oncology)
148 CHESTNUT ST, BIDMC - NEEDHAM CANCER CENTER
NEEDHAM, MA 02492
General Acute Care Hospital
148 CHESTNUT ST
NEEDHAM, MA 02492
Dietitian, Registered
148 CHESTNUT ST
NEEDHAM, MA 02492
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
148 CHESTNUT ST
NEEDHAM, MA 02492

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558234377, enumerated as an "individual" on September 26, 2025.

The provider is located at 148 CHESTNUT ST NEEDHAM, MA 02492 and the phone number is (781) 453-3000.

Clinical Nurse Specialist with taxonomy code 364S00000X.