DR. DAVID TSAY M.D., PH.D.
NPI 1659514784
Internal Medicine - Cardiovascular Disease in New York, NY

NPI Status: Active since April 20, 2009

Contact Information

177 FORT WASHINGTON AVE
NEW YORK, NY
ZIP 10032
Phone: (212) 342-5155

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About DAVID TSAY

This page provides the complete NPI Profile along with additional information for David Tsay, an internist established in New York, New York with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1659514784 assigned on April 2009. The practitioner's primary taxonomy code is 207RC0000X with license number 259270 (NY). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1659514784
Provider Name
DR. DAVID TSAY M.D., PH.D.
Gender
Male
Entity Type
Individual
Location Address
177 FORT WASHINGTON AVE NEW YORK, NY 10032
Location Phone
(212) 342-5155
Mailing Address
630 W 168TH ST BOX 4 NEW YORK, NY 10032
Mailing Phone
(212) 342-5155
Is Sole Proprietor?
Yes
Enumeration Date
04-20-2009
Last Update Date
04-29-2016
Code Navigator

An internist like David Tsay 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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
259270
License State
NY
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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

259270 (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 1659514784, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 5 → 10 → 1 5 → 10 → 1 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 0 + 1 + 8 + 7 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1659514784.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
177 FORT WASHINGTON AVE, MILSTEIN HOSPITAL
NEW YORK, NY 10032
Specialist
177 FORT WASHINGTON AVE, 7-435 G.N.
NEW YORK, NY 10032
Psychiatry & Neurology (Psychiatry)
177 FORT WASHINGTON AVE, MILSTEIN 9 GARDEN NORTH
NEW YORK, NY 10032
Psychiatry & Neurology (Psychiatry)
177 FORT WASHINGTON AVE, MILSTEIN 9 GARDEN NORTH
NEW YORK, NY 10032
Psychiatry & Neurology (Psychiatry)
177 FORT WASHINGTON AVE, MILSTEIN 9 GARDEN NORTH
NEW YORK, NY 10032
Psychiatry & Neurology (Psychiatry)
177 FORT WASHINGTON AVE, MILSTEIN 9 GARDEN NORTH
NEW YORK, NY 10032
Psychiatry & Neurology (Psychiatry)
177 FORT WASHINGTON AVE, MILSTEIN 9 GARDEN NORTH
NEW YORK, NY 10032
Psychiatry & Neurology (Psychiatry)
177 FORT WASHINGTON AVE, MILSTEIN 9 GARDEN NORTH
NEW YORK, NY 10032
Allergy & Immunology (Clinical & Laboratory Immunology)
177 FORT WASHINGTON AVE, 7-453GN
NEW YORK, NY 10032
Physician Assistant
177 FORT WASHINGTON AVE, MILSTEIN HOSPITAL/ 8 SOUTH KNUCKLE
NEW YORK, NY 10032
Psychiatry & Neurology (Neurology)
177 FORT WASHINGTON AVE, INTERVENTIONAL RADIOLOGY MBH 4-100
NEW YORK, NY 10032
Thoracic Surgery (Cardiothoracic Vascular Surgery)
177 FORT WASHINGTON AVE, 7TH FLOOR, SUITE 435
NEW YORK, NY 10032
Physician Assistant
177 FORT WASHINGTON AVE
NEW YORK, NY 10032
Physician Assistant (Surgical)
177 FORT WASHINGTON AVE, MHB 7GN-435
NEW YORK, NY 10032
Physician Assistant (Medical)
177 FORT WASHINGTON AVE
NEW YORK, NY 10032
Physician Assistant (Medical)
177 FORT WASHINGTON AVE, MICUB 4 HUDSON SOUTH
NEW YORK, NY 10032
Physician Assistant
177 FORT WASHINGTON AVE
NEW YORK, NY 10032
Physician Assistant (Medical)
177 FORT WASHINGTON AVE
NEW YORK, NY 10032
Physician Assistant (Medical)
177 FORT WASHINGTON AVE
NEW YORK, NY 10032
Physician Assistant (Surgical)
177 FORT WASHINGTON AVE, MILSTEIN HOSPITAL BLDG, SUITE 7-435
NEW YORK, NY 10032

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659514784, enumerated as an "individual" on April 20, 2009.

The provider is located at 177 FORT WASHINGTON AVE NEW YORK, NY 10032 and the phone number is (212) 342-5155.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.