1. Home
  2. Directory
  3. Massachusetts
  4. Northampton
  5. Internal Medicine
  6. NPI Profile

ON CALL URGENT CARE LLC
NPI 1003195959
Internal Medicine - Addiction Medicine in Northampton, MA

Active since August 10, 2011CLIA 22D1082368 · Certificate of Compliance
51 LOCUST ST, NORTHAMPTON, MA 01060(413) 584-7425(413) 584-7440 Get Directions Write a Review

NPPES record last updated: September 5, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About On Call Urgent Care Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ON CALL URGENT CARE LLC (NPI 1003195959) is a healthcare organization registered as an addiction medicine in Northampton, Massachusetts and active in the NPI registry since August 2011. The organization holds a CLIA Certificate of Compliance certificate valid through July 5, 2028 and lists Louis J Durkin, Managing Member, as its authorized official.

NPPES Registry Identity

NPI1003195959
Entity TypeOrganization
Primary Taxonomy207RA0401X
Legal Business NameON CALL URGENT CARE LLC
Location Address51 LOCUST STNorthampton, MA 01060-2545
Mailing Address4 Open Square Way, Suite 416Holyoke, MA 01040-6295 · (413) 437-7464 · Fax (413) 437-7456
Phone(413) 584-7425
Fax(413) 584-7440
Organization SubpartNo
Authorized OfficialLouis J DurkinManaging Member · (413) 748-9151
Enumeration DateAugust 10, 2011
Last NPPES UpdateSeptember 5, 2023
NPPES CertifiedSeptember 5, 2023
✔ NPI 1003195959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
51 LOCUST ST, Northampton, MA 01060
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 22D1082368

Oncall Urgent Care LLC · Northampton, MA
Active · expires Jul 5, 2028
CLIA Number22D1082368
Laboratory TypePhysician Office
Certificate Effective DateJuly 6, 2026
Certificate Expiration DateJuly 5, 2028
Laboratory DirectorJames F. Carroll
Laboratory Phone(413) 584-7425
Laboratory LocationOncall Urgent Care LLC51 Locust Street, Northampton, MA 01060
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. DAVID L LEMKE L.M.H.C., C.A.D.C.
Counselor (Addiction (Substance Use Disorder))
51 LOCUST ST
NORTHAMPTON, MA 01060
Hampshire County (413) 584-7425
ALAINA Y ELRINGTON DDS
Dentist (General Practice)
51 LOCUST ST
NORTHAMPTON, MA 01060
Hampshire County (646) 270-2493
DR. ROBERT DEWEY BOYNTON JR. D.D.S.
Dentist (General Practice)
51 LOCUST ST, SUITE #2
NORTHAMPTON, MA 01060
Hampshire County (413) 584-3741
CYNTHIA CUTTER PAC
Physician Assistant
51 LOCUST ST
NORTHAMPTON, MA 01060
Hampshire County (413) 584-7402
DR. MOHAMED S KAMEL MD
Internal Medicine (Nephrology)
51 LOCUST ST, SUITE 3
NORTHAMPTON, MA 01060
Hampshire County (413) 585-5703
DR. LYNNE SAXON ELLIOTT PSY.D.
Psychologist (Clinical)
51 LOCUST ST, SUITE 5
NORTHAMPTON, MA 01060
Hampshire County (413) 570-0258
DR. BENNETT WILLIAM OLMSTED DMD
Dentist (General Practice)
51 LOCUST ST, SUITE 2
NORTHAMPTON, MA 01060
Hampshire County (413) 584-3741
ON CALL URGENT CARE, LLC
Clinic/Center (Urgent Care)
51 LOCUST ST
NORTHAMPTON, MA 01060
Hampshire County (413) 584-7425

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is On Call Urgent Care LLC's NPI number?

The NPI number for On Call Urgent Care LLC is 1003195959. It was assigned to this organization in the NPPES registry on August 10, 2011.

Where is On Call Urgent Care LLC located?

On Call Urgent Care LLC is located at 51 Locust St, Northampton, MA 01060. The listed phone number is (413) 584-7425.

What is On Call Urgent Care LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Does On Call Urgent Care LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 22D1082368) is associated with this NPI, valid through July 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for On Call Urgent Care LLC was last updated on September 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.