WESTCHESTER GASTROENTROLOGY ASSOCIATES, PC
NPI 1447352844
Internal Medicine - Gastroenterology in Sleepy Hollow, NY

NPI Status: Active since September 05, 2006

Contact Information

777 N BROADWAY
STE 305
SLEEPY HOLLOW, NY
ZIP 10591
Phone: (914) 366-6120
Fax: (914) 366-4128

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  • Organization
  • Internal Medicine
  • Gastroenterology

About WESTCHESTER GASTROENTROLOGY ASSOCIATES, PC

This page provides the complete NPI Profile along with additional information for Westchester Gastroentrology Associates, Pc, an internist established in Sleepy Hollow, New York operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1447352844 assigned on September 2006. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated one year ago. Westchester Gastroentrology Associates, Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is David Chia Md (Director)

NPI
1447352844
Provider Name
WESTCHESTER GASTROENTROLOGY ASSOCIATES, PC
Entity Type
Organization
Location Address
777 N BROADWAY STE 305 SLEEPY HOLLOW, NY 10591
Location Phone
(914) 366-6120
Location Fax
(914) 366-4128
Mailing Address
777 N BROADWAY STE 305 SLEEPY HOLLOW, NY 10591
Mailing Phone
(914) 366-6120
Mailing Fax
(914) 366-4128
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-05-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Westchester Gastroentrology Associates, Pc 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 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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

(NY)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DAVID CHIA MD

Authorized Official Title
DIRECTOR
Authorized Official Phone
(914) 366-6120

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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 1447352844, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
4
Doubled → 8
Check
4
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 3 → 6 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 6 + 5 + 4 + 8 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1447352844.

Other Providers at the Same Location


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

Internal Medicine (Medical Oncology)
777 N BROADWAY
SLEEPY HOLLOW, NY 10591
Internal Medicine (Medical Oncology)
777 N BROADWAY
SLEEPY HOLLOW, NY 10591
Internal Medicine (Nephrology)
777 N BROADWAY, SUITE 203
SLEEPY HOLLOW, NY 10591
Specialist
777 N BROADWAY, SUITE 309
SLEEPY HOLLOW, NY 10591
Internal Medicine
777 N BROADWAY, SUITE 310
SLEEPY HOLLOW, NY 10591
Surgery
777 N BROADWAY, SUITE 204
SLEEPY HOLLOW, NY 10591
Surgery
777 N BROADWAY, SUITE 204
SLEEPY HOLLOW, NY 10591
Physician Assistant (Surgical)
777 N BROADWAY, SUITE 204
SLEEPY HOLLOW, NY 10591
Obstetrics & Gynecology
777 N BROADWAY, SUITE 308
SLEEPY HOLLOW, NY 10591
Nurse Practitioner (Family)
777 N BROADWAY, SUITE 306
SLEEPY HOLLOW, NY 10591
Pharmacist
777 N BROADWAY, SUITE 101
SLEEPY HOLLOW, NY 10591
Speech-Language Pathologist
777 N BROADWAY, SUITE 303
SLEEPY HOLLOW, NY 10591
Pharmacist
777 N BROADWAY
SLEEPY HOLLOW, NY 10591
Pharmacist
777 N BROADWAY, STE 101
SLEEPY HOLLOW, NY 10591
Obstetrics & Gynecology
777 N BROADWAY, SUITE 308
SLEEPY HOLLOW, NY 10591
Surgery
777 N BROADWAY, SUITE 204
SLEEPY HOLLOW, NY 10591
Speech-Language Pathologist
777 N BROADWAY, SUITE 303
SLEEPY HOLLOW, NY 10591
General Acute Care Hospital
777 N BROADWAY, SUITE 303
SLEEPY HOLLOW, NY 10591
Speech-Language Pathologist
777 N BROADWAY, SUITE 303
SLEEPY HOLLOW, NY 10591
Preventive Medicine (Undersea and Hyperbaric Medicine)
777 N BROADWAY, SUITE 310
SLEEPY HOLLOW, NY 10591

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447352844, enumerated as an "organization" on September 05, 2006.

The provider is located at 777 N BROADWAY STE 305 SLEEPY HOLLOW, NY 10591 and the phone number is (914) 366-6120.

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