MARY ELLEN SWYDAN MS RDN LDN
NPI 1659118735
Dietitian, Registered in Marlborough, MA

NPI Status: Active since July 15, 2024

Contact Information

157 UNION ST
MARLBOROUGH, MA
ZIP 01752
Phone: (508) 873-1857

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  • Individual
  • Female
  • Dietitian, Registered

About MARY ELLEN SWYDAN

This page provides the complete NPI Profile along with additional information for Mary Ellen Swydan, a provider established in Marlborough, Massachusetts with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1659118735 assigned on July 2024. The practitioner's primary taxonomy code is 133V00000X with license number 66 (MA). The provider is registered as an individual and her NPI record was last updated 2 years 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.

NPI
1659118735
Provider Name
MARY ELLEN SWYDAN MS RDN LDN
Gender
Female
Entity Type
Individual
Location Address
157 UNION ST MARLBOROUGH, MA 01752
Location Phone
(508) 873-1857
Mailing Address
199 FAIRHAVEN RD WORCESTER, MA 01606
Mailing Phone
(508) 873-1857
Is Sole Proprietor?
Yes
Enumeration Date
07-15-2024
Last Update Date
07-15-2024
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Location Map

Secondary Locations

  • 201 Highland St
    Clinton, MA 01510
    (508) 873-1857

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

Dietitian, Registered

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License No.
66
License State
MA
Taxonomy Description
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

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.

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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 1659118735, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
3
Doubled → 6
Check
5
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 1 → 2 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 2 + 1 + 1 + 6 + 7 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1659118735.

Other Providers at the Same Location


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

Physical Therapist
157 UNION ST
MARLBOROUGH, MA 01752
Anesthesiology
157 UNION ST, DEPARTMENT OF ANESTHESIOLOGY
MARLBOROUGH, MA 01752
Pathology (Clinical Pathology/Laboratory Medicine)
157 UNION ST, DEPARTMENT OF PATHOLOGY
MARLBOROUGH, MA 01752
Emergency Medicine
157 UNION ST, DEPARTMENT OF EMERGENCY MEDICINE
MARLBOROUGH, MA 01752
Anesthesiology
157 UNION ST, DEPARTMENT OF ANESTHESIOLOGY
MARLBOROUGH, MA 01752
Psychiatry & Neurology (Psychiatry)
157 UNION ST, MARLBOROUGH HOSPITAL
MARLBOROUGH, MA 01752
Nurse Practitioner
157 UNION ST, DEPARTMENT OF EMERGENCY MEDICINE
MARLBOROUGH, MA 01752
Social Worker
157 UNION ST, MARLBOROUGH HOSPITAL
MARLBOROUGH, MA 01752
Social Worker
157 UNION ST
MARLBOROUGH, MA 01752
Registered Nurse (Addiction (Substance Use Disorder))
157 UNION ST, MARLBORO HOSPITAL
MARLBOROUGH, MA 01752
Counselor
157 UNION ST, MARLBOROUGH HOSPITAL
MARLBOROUGH, MA 01752
Counselor
157 UNION ST, MARLBOROUGH HOSPITAL
MALBOROUGH, MA 01752
Internal Medicine
157 UNION ST
MARLBOROUGH, MA 01752
Radiology (Diagnostic Radiology)
157 UNION ST, RADIOLOGY DEPARTMENT
MARLBOROUGH, MA 01752
Radiology (Diagnostic Radiology)
157 UNION ST, RADIOLOGY DEPARTMENT
MARLBOROUGH, MA 01752
Social Worker
157 UNION ST
MARLBOROUGH, MA 01752
Nurse Anesthetist, Certified Registered
157 UNION ST, DEPT. OF ANESTHESIA
MARLBOROUGH, MA 01752
Physical Therapist
157 UNION ST
MARLBOROUGH, MA 01752
Dietitian, Registered
157 UNION ST
MARLBOROUGH, MA 01752
Physical Therapist
157 UNION ST
MARLBOROUGH, MA 01752

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659118735, enumerated as an "individual" on July 15, 2024.

The provider is located at 157 UNION ST MARLBOROUGH, MA 01752 and the phone number is (508) 873-1857.

Dietitian, Registered with taxonomy code 133V00000X.