DR. TIERNAN CONNOR CASTILE MD
NPI 1942838776
Pediatrics - Pediatric Endocrinology in Philadelphia, PA
NPI Status: Active since March 28, 2020
Contact Information
3401 CIVIC CENTER BOULEVARDD
DIVISION OF PEDIATRIC ENDOCRINOLOGY
PHILADELPHIA, PA
ZIP 19104
Phone: (215) 590-3174
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Pediatrics
- Pediatric Endocrinology
About TIERNAN CASTILE
This page provides the complete NPI Profile along with additional information for Tiernan Castile, 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 1942838776 assigned on March 2020. The practitioner's primary taxonomy code is 2080P0205X with license number MT236238 (PA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1942838776
- Provider Name
- DR. TIERNAN CONNOR CASTILE MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3401 CIVIC CENTER BOULEVARDD DIVISION OF PEDIATRIC ENDOCRINOLOGY PHILADELPHIA, PA 19104
- Location Phone
- (215) 590-3174
- Mailing Address
- 3401 CIVIC CENTER BOULEVARDD DIVISION OF PEDIATRIC ENDOCRINOLOGY PHILADELPHIA, PA 19104
- Mailing Phone
- (215) 590-3174
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-28-2020
- Last Update Date
- 06-25-2026
- Code Navigator
A pediatrician like Tiernan Castile 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.
- MT236238
- 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.
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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 1942838776, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 74 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1942838776, enumerated as an "individual" on March 28, 2020.
The provider is located at 3401 CIVIC CENTER BOULEVARDD DIVISION OF PEDIATRIC ENDOCRINOLOGY PHILADELPHIA, PA 19104 and the phone number is (215) 590-3174.
Pediatrics with taxonomy code 2080P0205X and a focus in Pediatric Endocrinology.
