MIDDLESEX HOSPITAL URGENT CARE
NPI 1093138935
Clinic/Center - Urgent Care in Old Saybrook, CT
About Middlesex Hospital Urgent Care NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIDDLESEX HOSPITAL URGENT CARE (NPI 1093138935) is a healthcare organization registered as an urgent care in Old Saybrook, Connecticut and active in the NPI registry since January 2014. The organization holds 2 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists Susan Martin, Vp Finance, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 7
Other Names 1
Secondary Practice Locations 2
Other Identifiers 4
Group Practice 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Middlesex Hospital Urgent Care is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
32Medicare enrollment records show 32 clinicians reassign Medicare billing to Middlesex Hospital Urgent Care, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 12 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 32Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA 2
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 Waiver 07D0097054
Middlesex Hospital Urgent Care-Middletown · Middletown, CTCertificate of Waiver 07D2092015
Middlesex Hospital Urgent Care-Old Saybrook · Old Saybrook, CTFrequently 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 Mhs Primary Care Inc's NPI number?
The NPI number for Mhs Primary Care Inc is 1093138935. It was assigned to this organization in the NPPES registry on January 29, 2014. The provider is doing business as Middlesex Hospital Urgent Care.
Where is Mhs Primary Care Inc located?
Mhs Primary Care Inc is located at 154 Main St, Old Saybrook, CT 06475. The listed phone number is (860) 661-5976.
What is Mhs Primary Care Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.
Is Mhs Primary Care Inc enrolled in Medicare?
Yes. Mhs Primary Care Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mhs Primary Care Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 32 clinicians in 4 Medicare specialties reassign their Medicare billing to Mhs Primary Care Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (24), Family Practice (6) and Internal Medicine (1). Of these, 2 practice at this address and 12 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Mhs Primary Care Inc hold CLIA laboratory certificates?
Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.
When was this NPI record last updated?
The NPPES record for Mhs Primary Care Inc was last updated on April 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Middlesex Hospital Urgent Care · NPI 1093138935
Urgent Care organization in Old Saybrook, Connecticut. Organization record, active in the CMS NPPES registry since January 29, 2014.
## Identity
- **NPI:** 1093138935 (Entity type: Organization)
- **Enumerated:** January 29, 2014
- **Primary specialty:** Clinic/Center - Urgent Care · taxonomy 261QU0200X
- **Legal business name:** Mhs Primary Care Inc
- **Organization subpart:** Yes (part of Mhs Primary Care Inc)
- **Authorized official:** Susan Martin, VP FINANCE
## Practice location
- **Address:** 154 MAIN ST, Old Saybrook, CT 06475-2373
- **Phone:** (860) 661-5976 · **Fax:** (860) 358-8664
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 32 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (24), Family Practice (6), Internal Medicine (1); 2 practice at this address and 12 within 10 miles; [full list](https://npiprofile.com/npi/1093138935/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 7, 2022
- **Other identifiers:** Medicaid 008050108 (CT); Medicaid 008061130 (CT); Medicaid 008050909 (CT); and 1 more
- **CLIA laboratory certificates:** 2 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1093138935) · Data from the CMS NPPES public registry.