WILLIAM BISORDI M.D.
NPI 1710276969
Internal Medicine - Gastroenterology in Larchmont, NY

NPI Status: Active since March 28, 2011

Contact Information

151 ROCKLAND AVE
LARCHMONT, NY
ZIP 10538
Phone: (914) 834-8426

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About WILLIAM BISORDI

This page provides the complete NPI Profile along with additional information for William Bisordi, an internist established in Larchmont, New York with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1710276969 assigned on March 2011. The practitioner's primary taxonomy code is 207RG0100X with license number 122346 (NY). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1710276969
Provider Name
WILLIAM BISORDI M.D.
Gender
Male
Entity Type
Individual
Location Address
151 ROCKLAND AVE LARCHMONT, NY 10538
Location Phone
(914) 834-8426
Mailing Address
151 ROCKLAND AVE LARCHMONT, NY 10538
Is Sole Proprietor?
Yes
Enumeration Date
03-28-2011
Last Update Date
09-14-2011
Code Navigator

An internist like William Bisordi is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
122346
License State
NY
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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)
1174H00000XOther Service Providers

Health Educator

122346 (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 1710276969, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 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 1 → 2 2 → 4 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 4 + 7 + 1 + 2 + 9 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1710276969.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710276969, enumerated as an "individual" on March 28, 2011.

The provider is located at 151 ROCKLAND AVE LARCHMONT, NY 10538 and the phone number is (914) 834-8426.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.