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MHS PRIMARY CARE INC
NPI 1750276655
Internal Medicine in Essex, CT

Active since June 11, 2025
35 SAYBROOK RD UNIT 6, ESSEX, CT 06426(860) 767-1200 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 23, 2025, Jun 11, 2025 (2 updates tracked since 2025).

About Mhs Primary Care Inc NPPES

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

MHS PRIMARY CARE INC (NPI 1750276655), doing business as Middlesex Health Concierge Medicine, is a healthcare organization registered as an internal medicine in Essex, Connecticut and active in the NPI registry since June 2025. The organization lists Anne Lesiczka, Enrollment Coordinator, as its authorized official.

NPPES Registry Identity

NPI1750276655
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMHS PRIMARY CARE INC
Location Address35 SAYBROOK RD UNIT 6Essex, CT 06426-1490
Mailing Address28 Crescent StMiddletown, CT 06457-3654 · (860) 358-4870
Phone(860) 767-1200
Organization SubpartYesParent: Mhs Primary Care, Inc.
Authorized OfficialAnne LesiczkaEnrollment Coordinator · (860) 358-4811
Enumeration DateJune 11, 2025
Last NPPES UpdateJune 23, 20252 updates tracked since enumeration
NPPES CertifiedJune 23, 2025
✔ NPI 1750276655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
35 SAYBROOK RD UNIT 6, Essex, CT 06426
Open in Google Maps ↗

Other Names 1

Doing Business AsMiddlesex Health Concierge Medicine

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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)

Mhs Primary Care Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mhs Primary Care Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Kenneth Donovan, M.D.
Internal Medicine
NPI 1669447207
35 SAYBROOK RD UNIT 6
Essex, CT 06426
(860) 358-3725
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Mhs Primary Care Inc's NPI number?

The NPI number for Mhs Primary Care Inc is 1750276655. It was assigned to this organization in the NPPES registry on June 11, 2025. The provider is doing business as Middlesex Health Concierge Medicine.

Where is Mhs Primary Care Inc located?

Mhs Primary Care Inc is located at 35 Saybrook Rd Unit 6, Essex, CT 06426. The listed phone number is (860) 767-1200.

What is Mhs Primary Care Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

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), 1 clinician (Internal Medicine) reassigns 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.