MARILYN RUIZ M.D.
NPI 1740485457
Pediatrics in Mendham, NJ

NPI Status: Active since June 21, 2007

Contact Information

3 BURNETT BROOK DR
MENDHAM, NJ
ZIP 07945
Phone: (973) 543-0667
Fax: (973) 543-0667

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  • Individual
  • Female
  • Pediatrics

About MARILYN RUIZ

This page provides the complete NPI Profile along with additional information for Marilyn Ruiz, a pediatrician established in Mendham, New Jersey with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1740485457 assigned on June 2007. The practitioner's primary taxonomy code is 208000000X with license number MA049891 (NJ). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1740485457
Provider Name
MARILYN RUIZ M.D.
Gender
Female
Entity Type
Individual
Location Address
3 BURNETT BROOK DR MENDHAM, NJ 07945
Location Phone
(973) 543-0667
Location Fax
(973) 543-0667
Mailing Address
3 BURNETT BROOK DR MENDHAM, NJ 07945
Mailing Phone
(973) 543-0667
Mailing Fax
(973) 543-0667
Is Sole Proprietor?
Yes
Enumeration Date
06-21-2007
Last Update Date
09-11-2025
Code Navigator

A pediatrician like Marilyn Ruiz is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, 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

Pediatrics

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
MA049891
License State
NJ
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

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)
12080P0006XAllopathic & Osteopathic Physicians

Pediatrics
Developmental - Behavioral Pediatrics

MA049891 (NJ)

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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 1740485457, 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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 4 → 8 4 → 8 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 8 + 8 + 1 + 0 + 4 + 1 + 0 + 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 1740485457.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740485457, enumerated as an "individual" on June 21, 2007.

The provider is located at 3 BURNETT BROOK DR MENDHAM, NJ 07945 and the phone number is (973) 543-0667.

Pediatrics with taxonomy code 208000000X.