MADISYN DOWNEY
NPI 1558208884
Nurse Practitioner - Family in East Bridgewater, MA

NPI Status: Active since May 04, 2026

Contact Information

401 N BEDFORD ST
EAST BRIDGEWATER, MA
ZIP 02333
Phone: (781) 375-3150

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About MADISYN DOWNEY

This page provides the complete NPI Profile along with additional information for Madisyn Downey, a provider established in East Bridgewater, Massachusetts with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1558208884 assigned on May 2026. The practitioner's primary taxonomy code is 363LF0000X with license number RN2381410 (MA). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1558208884
Provider Name
MADISYN DOWNEY
Gender
Female
Entity Type
Individual
Location Address
401 N BEDFORD ST EAST BRIDGEWATER, MA 02333
Location Phone
(781) 375-3150
Mailing Address
1555 VFW PKWY UNIT 329 WEST ROXBURY, MA 02132
Is Sole Proprietor?
No
Enumeration Date
05-04-2026
Last Update Date
05-04-2026
Code Navigator

A nurse practitioner (NP) like Madisyn Downey 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 Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RN2381410
License State
MA

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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 1558208884, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 8 → 16 → 7 8 → 16 → 7

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 + 0 + 1 + 6 + 8 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1558208884.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Family Medicine
401 N BEDFORD ST
EAST BRIDGEWATER, MA 02333
Family Medicine
401 N BEDFORD ST
EAST BRIDGEWATER, MA 02333
Nurse Practitioner (Family)
401 N BEDFORD ST
EAST BRIDGEWATER, MA 02333

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558208884, enumerated as an "individual" on May 04, 2026.

The provider is located at 401 N BEDFORD ST EAST BRIDGEWATER, MA 02333 and the phone number is (781) 375-3150.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.