MIDDLESEX HOSPITAL SURGICAL ALLIANCE
NPI 1740666312
Surgery in Middletown, CT
About Middlesex Hospital Surgical Alliance NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIDDLESEX HOSPITAL SURGICAL ALLIANCE (NPI 1740666312) is a healthcare organization registered as a surgery in Middletown, Connecticut and active in the NPI registry since August 2015. The organization holds 3 active CLIA laboratory certificates, maintains 3 additional practice locations, and lists Susan Martin, Vice President Finance & Treasurer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 15
Other Names 1
Secondary Practice Locations 3
Group Practice 1
Accepted Insurance
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 Surgical Alliance is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
147Medicare enrollment records show 147 clinicians reassign Medicare billing to Middlesex Hospital Surgical Alliance, which bills Medicare for the services they deliver. Of these, 9 practice at this address and 72 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 15
Nearest to this location (20)
See all 147Source: 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 3
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 07D2001764
Mhs Primary Care Middlesex Health Urology · Marlborough, CTCertificate of Waiver 07D2001765
Mhs Primary Care Middlesex Health Urology · Madison, CTCertificate for Provider-Performed Microscopy Procedures (PPMP) 07D0933844
Mhs Primary Care, Inc D/B/A-Middlesex Hospital Surgical Alliance · Middletown, 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 1740666312. It was assigned to this organization in the NPPES registry on August 6, 2015. The provider is doing business as Middlesex Hospital Surgical Alliance.
Where is Mhs Primary Care Inc. located?
Mhs Primary Care Inc. is located at 540 Saybrook Rd Ste 100, Middletown, CT 06457. The listed phone number is (860) 358-2850.
What is Mhs Primary Care Inc.'s specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
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), 147 clinicians in 15 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 (47), Family Practice (44) and General Surgery (10). Of these, 9 practice at this address and 72 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. 3 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.
What insurance does Mhs Primary Care Inc. accept?
Health plans from Anthem Blue Cross and Blue Shield list Mhs Primary Care Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mhs Primary Care Inc. was last updated on November 2, 2022. 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.
# Middlesex Hospital Surgical Alliance · NPI 1740666312
Surgery organization in Middletown, Connecticut. Organization record, active in the CMS NPPES registry since August 6, 2015.
## Identity
- **NPI:** 1740666312 (Entity type: Organization)
- **Enumerated:** August 6, 2015
- **Primary specialty:** Surgery · taxonomy 208600000X
- **Legal business name:** Mhs Primary Care Inc.
- **Organization subpart:** Yes (part of Mhs Primary Care Inc.)
- **Authorized official:** Susan Martin, VICE PRESIDENT FINANCE & TREASURER
## Practice location
- **Address:** 540 SAYBROOK RD STE 100, Middletown, CT 06457-4760
- **Phone:** (860) 358-2850
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 147 clinicians in 15 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (47), Family Practice (44), General Surgery (10); 9 practice at this address and 72 within 10 miles; [full list](https://npiprofile.com/npi/1740666312/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 2, 2022
- **CLIA laboratory certificates:** 3 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1740666312) · Data from the CMS NPPES public registry.