LEONARD S. SCHLEIFER, M.D.
NPI 1275997561
Clinic/Center - Corporate Health in Tarrytown, NY

NPI Status: Active since April 12, 2016

Contact Information

777 OLD SAW MILL RIVER RD
TARRYTOWN, NY
ZIP 10591
Phone: (914) 346-7440

Get Directions Write a Review

  • Organization
  • Clinic/Center
  • Corporate Health

About LEONARD S. SCHLEIFER, M.D.

This page provides the complete NPI Profile along with additional information for Leonard S. Schleifer, M.d., a provider established in Tarrytown, New York operating as a Clinic/center, focusing in corporate health . The healthcare provider is registered in the NPI registry with number 1275997561 assigned on April 2016. The practitioner's primary taxonomy code is 261QC1800X with license number 147696 (NY). The provider is registered as an organization and their NPI record was last updated 10 years ago. The authorized official of this NPI record is Dr. Leonard Steven Schleifer M.d. (President &ceo)

NPI
1275997561
Provider Name
LEONARD S. SCHLEIFER, M.D.
Entity Type
Organization
Location Address
777 OLD SAW MILL RIVER RD TARRYTOWN, NY 10591
Location Phone
(914) 346-7440
Mailing Address
777 OLD SAW MILL RIVER RD TARRYTOWN, NY 10591
Mailing Phone
(914) 346-7440
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-12-2016
Last Update Date
04-12-2016
Code Navigator

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

Clinic/Center Corporate Health

Taxonomy Code
261QC1800X
Type
Ambulatory Health Care Facilities
License No.
147696
License State
NY

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

DR. LEONARD STEVEN SCHLEIFER M.D.

Authorized Official Title
PRESIDENT &CEO
Authorized Official Phone
(914) 345-7440

Reviews for LEONARD S. SCHLEIFER, M.D.

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1275997561, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
1
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 7 → 14 → 5 9 → 18 → 9 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 4 + 5 + 1 + 8 + 9 + 1 + 4 + 5 + 1 + 2 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1275997561.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Internal Medicine (Rheumatology)
777 OLD SAW MILL RIVER RD, REGENERON PHARMACEUTICALS
TARRYTOWN, NY 10591

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275997561, enumerated as an "organization" on April 12, 2016.

The provider is located at 777 OLD SAW MILL RIVER RD TARRYTOWN, NY 10591 and the phone number is (914) 346-7440.

Clinic/Center with taxonomy code 261QC1800X and a focus in Corporate Health.