TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
NPI 1326440553
Durable Medical Equipment & Medical Supplies in New York, NY

NPI Status: Active since September 18, 2014

Contact Information

51 W 51ST ST
SUITE 370
NEW YORK, NY
ZIP 10019
Phone: (212) 305-5974
Fax: (212) 305-6193

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About TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK

This page provides the complete NPI Profile along with additional information for Trustees Of Columbia University In The City Of New York, a provider established in New York, New York operating as a Durable Medical Equipment & Medical Supplies. The healthcare provider is registered in the NPI registry with number 1326440553 assigned on September 2014. The practitioner's primary taxonomy code is 332B00000X. The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's . The authorized official of this NPI record is Dr. James Michael Mckiernan Md (Chief Executive Officer)

NPI
1326440553
Provider Legal Name
TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
51 W 51ST ST SUITE 370 NEW YORK, NY 10019
Location Phone
(212) 305-5974
Location Fax
(212) 305-6193
Mailing Address
400 KELBY ST FORT LEE, NJ 07024
Mailing Phone
(212) 853-6414
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
09-18-2014
Last Update Date
03-18-2026
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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

Durable Medical Equipment & Medical Supplies

Taxonomy Code
332B00000X
Type
Suppliers
Taxonomy Description
A supplier of medical equipment such as respirators, wheelchairs, home dialysis systems, or monitoring systems, that are prescribed by a physician for a patient's use in the home and that are usable for an extended period of time.

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)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

 

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

DR. JAMES MICHAEL MCKIERNAN MD

Authorized Official Title
CHIEF EXECUTIVE OFFICER
Authorized Official Phone
(212) 305-5526

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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 1326440553, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 4 + 6 + 8 + 4 + 0 + 5 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1326440553.

Other Providers at the Same Location


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

Pharmacist
51 W 51ST ST
NEW YORK, NY 10019
Pharmacist
51 W 51ST ST
NEW YORK, NY 10019
Pharmacist
51 W 51ST ST
NEW YORK, NY 10019
Pharmacist
51 W 51ST ST
NEW YORK, NY 10019
Clinical Neuropsychologist
51 W 51ST ST, SUITE 340
NEW YORK, NY 10019
Dermatology
51 W 51ST ST, SUITE 390
NEW YORK, NY 10019
Surgery
51 W 51ST ST, SUITE 380
NEW YORK, NY 10019
Nurse Practitioner (Adult Health)
51 W 51ST ST, SUITE 200
NEW YORK, NY 10019
Nurse Practitioner (Family)
51 W 51ST ST, SUITE 100
NEW YORK, NY 10019
Neurological Surgery
51 W 51ST ST, SUITE 380
NEW YORK, NY 10019
Physical Therapist
51 W 51ST ST
NEW YORK, NY 10019
Audiologist
51 W 51ST ST, SUITE 385
NEW YORK, NY 10019
Psychiatry & Neurology (Neurology)
51 W 51ST ST, SUITE 380
NEW YORK, NY 10019
Nurse Practitioner (Primary Care)
51 W 51ST ST, SUITE 100
NEW YORK, NY 10019
Audiologist
51 W 51ST ST, SUITE 385
NEW YORK, NY 10019
Social Worker
51 W 51ST ST, SUITE 340
NEW YORK, NY 10019
Counselor (Mental Health)
51 W 51ST ST, SUITE 340
NEW YORK, NY 10019
Physical Therapist (Orthopedic)
51 W 51ST ST, SUITE 370
NEW YORK, NY 10019
Internal Medicine (Hematology & Oncology)
51 W 51ST ST, SUITE 200
NEW YORK, NY 10019
Social Worker (Clinical)
51 W 51ST ST
NEW YORK, NY 10019

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326440553, enumerated as an "organization" on September 18, 2014.

The provider is located at 51 W 51ST ST SUITE 370 NEW YORK, NY 10019 and the phone number is (212) 305-5974.

Durable Medical Equipment & Medical Supplies with taxonomy code 332B00000X.