YALE UNIVERSITY
NPI 1639717242
Clinic/Center - Research in New Haven, CT

NPI Status: Active since December 13, 2019

Contact Information

367 CEDAR ST BLDG A
NEW HAVEN, CT
ZIP 06510
Phone: (203) 785-4000

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  • Organization
  • Clinic/Center
  • Research
  • CLIA Number: 07D0098275
  • CLIA Cert. Type: Hospital
  • CLIA Exp. Date: 09-21-2027

About YALE UNIVERSITY

This page provides the complete NPI Profile along with additional information for Yale University, a provider established in New Haven, Connecticut operating as a Clinic/center, focusing in research . The healthcare provider is registered in the NPI registry with number 1639717242 assigned on December 2019. The practitioner's primary taxonomy code is 261QR1100X. The provider is registered as an organization and their NPI record was last updated 7 years ago. The authorized official of this NPI record is Dr. Alexandra Marie Hajduk Phd, Mph (Associate Professor, Internal Med)

NPI
1639717242
Provider Name
YALE UNIVERSITY
Entity Type
Organization
Location Address
367 CEDAR ST BLDG A NEW HAVEN, CT 06510
Location Phone
(203) 785-4000
Mailing Address
40 BAYBERRY RD PROSPECT, CT 06712
Mailing Phone
(845) 598-0730
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-13-2019
Last Update Date
12-13-2019
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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

Clinic/Center Research

Taxonomy Code
261QR1100X
Type
Ambulatory Health Care Facilities

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. ALEXANDRA MARIE HAJDUK PHD, MPH

Authorized Official Title
ASSOCIATE PROFESSOR, INTERNAL MED
Authorized Official Phone
(203) 785-4000

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
07D0098275
Facility Type
Hospital
Certificate Effective Date
September 22, 2025
Certificate Expiration Date
September 21, 2027
Laboratory Director
DR. ANGELIQUE W. LEVI
Certificate Type
Certificate of Accreditation
Certificate Type Description
This is a CLIA certificate is issued to Yale University on the basis of the laboratory's accreditation by an accreditation organization approved by CMS. This type of certificate is issued to a laboratories tha perform nonwaived (moderate and/or high complexity) testing.

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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 1639717242, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 1 + 4 + 1 + 1 + 4 + 2 + 8 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1639717242.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639717242, enumerated as an "organization" on December 13, 2019.

The provider is located at 367 CEDAR ST BLDG A NEW HAVEN, CT 06510 and the phone number is (203) 785-4000.

Clinic/Center with taxonomy code 261QR1100X and a focus in Research.