ON CALL URGENT CARE, LLC
NPI 1447495494
Clinic/Center - Urgent Care in Northampton, MA

NPI Status: Active since December 04, 2008

Contact Information

51 LOCUST ST
NORTHAMPTON, MA
ZIP 01060
Phone: (413) 584-7425
Fax: (413) 584-7440

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  • Organization
  • Clinic/Center
  • Urgent Care
  • CLIA Number: 22D1082368
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 07-05-2026

About ON CALL URGENT CARE, LLC

This page provides the complete NPI Profile along with additional information for On Call Urgent Care, Llc, a provider established in Northampton, Massachusetts operating as a Clinic/center, focusing in urgent care . The healthcare provider is registered in the NPI registry with number 1447495494 assigned on December 2008. The practitioner's primary taxonomy code is 261QU0200X. The provider is registered as an organization and their NPI record was last updated 3 years ago. The authorized official of this NPI record is Dr. Louis J Durkin Md (Managing Member)

NPI
1447495494
Provider Name
ON CALL URGENT CARE, LLC
Entity Type
Organization
Location Address
51 LOCUST ST NORTHAMPTON, MA 01060
Location Phone
(413) 584-7425
Location Fax
(413) 584-7440
Mailing Address
4 OPEN SQUARE WAY SUITE 416 HOLYOKE, MA 01040
Mailing Phone
(413) 437-7464
Mailing Fax
(413) 584-7440
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-04-2008
Last Update Date
09-05-2023
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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 Urgent Care

Taxonomy Code
261QU0200X
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. LOUIS J DURKIN MD

Authorized Official Title
MANAGING MEMBER
Authorized Official Phone
(413) 748-9151

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
22D1082368
Facility Type
Physician Office
Certificate Effective Date
July 06, 2024
Certificate Expiration Date
July 05, 2026
Laboratory Director
JAMES F. CARROLL
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to On Call Urgent Care, Llc after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that 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 1447495494, 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
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 4 → 8 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 8 + 9 + 1 + 0 + 4 + 1 + 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 1447495494.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Physician Assistant
51 LOCUST ST
NORTHAMPTON, MA 01060
Psychologist (Clinical)
51 LOCUST ST
NORTHAMPTON, MA 01060
General Practice
51 LOCUST ST
NORTHAMPTON, MA 01060
Clinic/Center (Urgent Care)
51 LOCUST ST
NORTHAMPTON, MA 01060
Family Medicine
51 LOCUST ST, #5
NORTHAMPTON, MA 01060
Dentist (General Practice)
51 LOCUST ST, SUITE #2
NORTHAMPTON, MA 01060
Psychiatry & Neurology (Psychiatry)
51 LOCUST ST, UNIT #4
NORTHAMPTON, MA 01060
Psychologist (Clinical)
51 LOCUST ST, SUITE 5
NORTHAMPTON, MA 01060
Dentist (General Practice)
51 LOCUST ST, SUITE 2
NORTHAMPTON, MA 01060
Counselor (Addiction (Substance Use Disorder))
51 LOCUST ST
NORTHAMPTON, MA 01060
Dentist (General Practice)
51 LOCUST ST
NORTHAMPTON, MA 01060
Internal Medicine (Nephrology)
51 LOCUST ST, SUITE 3
NORTHAMPTON, MA 01060
Internal Medicine (Addiction Medicine)
51 LOCUST ST
NORTHAMPTON, MA 01060
Psychologist (Adult Development & Aging)
51 LOCUST ST
NORTHAMPTON, MA 01060

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447495494, enumerated as an "organization" on December 04, 2008.

The provider is located at 51 LOCUST ST NORTHAMPTON, MA 01060 and the phone number is (413) 584-7425.

Clinic/Center with taxonomy code 261QU0200X and a focus in Urgent Care.