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OAK NORTH
NPI 1649682485
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Manchester, CT

Active since May 28, 2014
773 MAIN ST, MANCHESTER, CT 06040(860) 870-1300(860) 870-1306 Get Directions Write a Review

NPPES record last updated: December 5, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 5, 2022, Mar 17, 2018, Oct 22, 2017 (3 updates tracked since 2017).

About Oak North NPPES

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

OAK NORTH (NPI 1649682485) is a healthcare organization registered as a thoracic surgery (cardiothoracic vascular surgery) in Manchester, Connecticut and active in the NPI registry since May 2014. The organization maintains 2 additional practice locations and lists Constantinos Constantinou, Manager, as its authorized official.

NPPES Registry Identity

NPI1649682485
Entity TypeOrganization
Primary Taxonomy208G00000X
Legal Business NameOAK NORTH
Location Address773 MAIN STManchester, CT 06040-5102
Mailing Address773 Main StManchester, CT 06040-5102 · (914) 450-4038
Phone(860) 870-1300
Fax(860) 870-1306
Organization SubpartNo
Authorized OfficialConstantinos ConstantinouManager · (914) 450-4038
Enumeration DateMay 28, 2014
Last NPPES UpdateDecember 5, 20223 updates tracked since enumeration
NPPES CertifiedDecember 5, 2022
✔ NPI 1649682485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in CT · 043819
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
773 MAIN ST, Manchester, CT 06040
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Secondary Practice Locations 2

Location 1100 South St Ste 108Southbridge, MA 01550-4051 · Phone (860) 870-1300 · Fax (860) 870-1306
Location 294 Union StVernon, CT 06066-3131 · Phone (914) 450-4038

Other Identifiers 1

Medicaid001438193CT

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

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)

Oak North 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 Oak North, which bills Medicare for the services this clinician delivers.

Clinician (1)

Constantinos Constantinou, MD
Thoracic Surgery
NPI 1871551978
94 UNION ST
Vernon Rockville, CT 06066
(860) 870-1300
✔ PECOS✔ Accepts Medicare7.5 mi

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 Oak North's NPI number?

The NPI number for Oak North is 1649682485. It was assigned to this organization in the NPPES registry on May 28, 2014.

Where is Oak North located?

Oak North is located at 773 Main St, Manchester, CT 06040. The listed phone number is (860) 870-1300.

What is Oak North's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Oak North enrolled in Medicare?

Yes. Oak North is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oak North?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Thoracic Surgery) reassigns their Medicare billing to Oak North. 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 Oak North accept?

Health plans from Anthem Blue Cross and Blue Shield list Oak North 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 Oak North was last updated on December 5, 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.