MRS. LEAH MARIE MARK MS, RD, CDN, CPT
NPI 1275040842
Dietitian, Registered in Huntington, NY

NPI Status: Active since January 04, 2018

Contact Information

44 GREEN ST STE 2
HUNTINGTON, NY
ZIP 11743
Phone: (516) 806-0045
Fax: (516) 861-0061

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  • Individual
  • Female
  • Dietitian, Registered

About LEAH MARK

This page provides the complete NPI Profile along with additional information for Leah Mark, a provider established in Huntington, New York with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1275040842 assigned on January 2018. The practitioner's primary taxonomy code is 133V00000X with license number 008091 (NY). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1275040842
Provider Name
MRS. LEAH MARIE MARK MS, RD, CDN, CPT
Gender
Female
Entity Type
Individual
Location Address
44 GREEN ST STE 2 HUNTINGTON, NY 11743
Location Phone
(516) 806-0045
Location Fax
(516) 861-0061
Mailing Address
6 PLOVER LN LLOYD HARBOR, NY 11743
Mailing Phone
(516) 810-8808
Mailing Fax
(516) 861-0061
Is Sole Proprietor?
Yes
Enumeration Date
01-04-2018
Last Update Date
05-09-2023
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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.
008091
License State
NY
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1133N00000XDietary & Nutritional Service Providers

Nutritionist

008091 (NY)
2133NN1002XDietary & Nutritional Service Providers

Nutritionist
Nutrition, Education

008091 (NY)
3133VN1004XDietary & Nutritional Service Providers

Dietitian, Registered
Nutrition, Pediatric

008091 (NY)
4133VN1005XDietary & Nutritional Service Providers

Dietitian, Registered
Nutrition, Renal

008091 (NY)
5133VN1006XDietary & Nutritional Service Providers

Dietitian, Registered
Nutrition, Metabolic

008091 (NY)

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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 1275040842, 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
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
4
Doubled → 8
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 7 → 14 → 5 0 → 0 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 0 + 4 + 0 + 8 + 8 + 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 1275040842.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Dietitian, Registered
44 GREEN ST STE 2
HUNTINGTON, NY 11743
Dietitian, Registered
44 GREEN ST STE 2
HUNTINGTON, NY 11743

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275040842, enumerated as an "individual" on January 04, 2018.

The provider is located at 44 GREEN ST STE 2 HUNTINGTON, NY 11743 and the phone number is (516) 806-0045.

Dietitian, Registered with taxonomy code 133V00000X.