BRYNN ELIZABETH MARKS M.D.
NPI 1487944757
Pediatrics - Pediatric Endocrinology in Philadelphia, PA

NPI Status: Active since April 07, 2011

Contact Information

3401 CIVIC CENTER BLVD
PHILADELPHIA, PA
ZIP 19104
Phone: (215) 590-1000

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  • Individual
  • Female
  • Pediatrics
  • Pediatric Endocrinology

About BRYNN MARKS

This page provides the complete NPI Profile along with additional information for Brynn Marks, a pediatrician established in Philadelphia, Pennsylvania with a medical specialization in Pediatrics, focusing in pediatric endocrinology . The healthcare provider is registered in the NPI registry with number 1487944757 assigned on April 2011. The practitioner's primary taxonomy code is 2080P0205X with license number MD454806 (PA). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1487944757
Provider Name
BRYNN ELIZABETH MARKS M.D.
Gender
Female
Entity Type
Individual
Location Address
3401 CIVIC CENTER BLVD PHILADELPHIA, PA 19104
Location Phone
(215) 590-1000
Mailing Address
3401 CIVIC CENTER BLVD PHILADELPHIA, PA 19104
Mailing Phone
(215) 590-3174
Is Sole Proprietor?
No
Enumeration Date
04-07-2011
Last Update Date
10-17-2022
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A pediatrician like Brynn Marks 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 Pediatric Endocrinology

Taxonomy Code
2080P0205X
Type
Allopathic & Osteopathic Physicians
License No.
MD454806
License State
PA
Taxonomy Description
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.

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)
1208000000XAllopathic & Osteopathic Physicians

Pediatrics

C10011417 (DE)
22080P0205XAllopathic & Osteopathic Physicians

Pediatrics
Pediatric Endocrinology

MD046937 (DC)

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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 1487944757, 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 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
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
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 8 → 16 → 7 9 → 18 → 9 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 8 + 4 + 8 + 7 + 1 + 0 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1487944757.

Other Providers at the Same Location


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

Pediatrics
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Pediatrics (Pediatric Gastroenterology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Pediatrics (Pediatric Cardiology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Pediatrics (Developmental - Behavioral Pediatrics)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Pediatrics
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Pediatrics (Pediatric Hematology-Oncology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Dermatology
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD, 4TH FLOOR WOOD BUILDING
PHILADELPHIA, PA 19104
Pediatrics (Developmental - Behavioral Pediatrics)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Pediatrics (Pediatric Hematology-Oncology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Pediatrics
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Pediatrics (Neonatal-Perinatal Medicine)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Psychologist (Clinical Child & Adolescent)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA
PHILADELPHIA, PA 19104
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Nurse Practitioner (Family)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Pediatrics
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILA - GENERAL PEDIATRICS
PHILADELPHIA, PA 19104
Pediatrics (Pediatric Cardiology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - CARDIOLOGY
PHILADELPHIA, PA 19104
Radiology (Pediatric Radiology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - RADIOLOGY
PHILADELPHIA, PA 19104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487944757, enumerated as an "individual" on April 07, 2011.

The provider is located at 3401 CIVIC CENTER BLVD PHILADELPHIA, PA 19104 and the phone number is (215) 590-1000.

Pediatrics with taxonomy code 2080P0205X and a focus in Pediatric Endocrinology.