DR. GERARD THONG MB, BCH, BAO, MCH,
NPI 1225546419
Otolaryngology - Pediatric Otolaryngology in Boston, MA

NPI Status: Active since January 22, 2018

Contact Information

DEPARTMENT OF OTOLARYNGOLOGY, BOSTON CHILDRENS HOSPITAL
330 LONGWOOD AVENUE, BCH 3129
BOSTON, MA
ZIP 02115
Phone: (617) 355-5064

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  • Individual
  • Male
  • Otolaryngology
  • Pediatric Otolaryngology

About GERARD THONG

This page provides the complete NPI Profile along with additional information for Gerard Thong, a provider established in Boston, Massachusetts with a medical specialization in Otolaryngology, focusing in pediatric otolaryngology . The healthcare provider is registered in the NPI registry with number 1225546419 assigned on January 2018. The practitioner's primary taxonomy code is 207YP0228X with license number 273578 (MA). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1225546419
Provider Name
DR. GERARD THONG MB, BCH, BAO, MCH,
Gender
Male
Entity Type
Individual
Location Address
DEPARTMENT OF OTOLARYNGOLOGY, BOSTON CHILDRENS HOSPITAL 330 LONGWOOD AVENUE, BCH 3129 BOSTON, MA 02115
Location Phone
(617) 355-5064
Mailing Address
11 HEREFORD ST UNIT B BOSTON, MA 02115
Is Sole Proprietor?
No
Enumeration Date
01-22-2018
Last Update Date
01-22-2018
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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

Otolaryngology Pediatric Otolaryngology

Taxonomy Code
207YP0228X
Type
Allopathic & Osteopathic Physicians
License No.
273578
License State
MA
Taxonomy Description
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.

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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 1225546419, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
Check
9
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 2 → 4 5 → 10 → 1 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 1 + 0 + 4 + 1 + 2 + 4 + 2 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1225546419.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225546419, enumerated as an "individual" on January 22, 2018.

The provider is located at DEPARTMENT OF OTOLARYNGOLOGY, BOSTON CHILDRENS HOSPITAL 330 LONGWOOD AVENUE, BCH 3129 BOSTON, MA 02115 and the phone number is (617) 355-5064.

Otolaryngology with taxonomy code 207YP0228X and a focus in Pediatric Otolaryngology.