Individual provider

William Shi, MD PHD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Deactivated record

William Shi, MD PHD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Manhasset, NY, registered under NPI 1831721430.

This NPI is deactivated. The provider has retired, changed registration, or the number was retired by CMS. Details below are kept for reference — do not rely on them to arrange care.

Getting there

The practice address on file is NORTH SHORE UNIVERSITY HOSPITAL CARDIOVASCULAR SURGERY, 300 COMMUNITY DRIVE, Manhasset, NY 11030. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

NORTH SHORE UNIVERSITY HOSPITAL CARDIOVASCULAR SURGERY, 300 COMMUNITY DRIVE, Manhasset, NY 11030 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
315805 NY Thoracic Surgery (Cardiothoracic Vascular… primary

This provider holds licence 315805 issued in NY. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Thoracic Surgery
PAC ID
0244613818
Enrollment ID
I20220815000684

Medicare enrolment is recorded as approved under the provider type Practitioner - Thoracic Surgery. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

What Thoracic Surgery (Cardiothoracic Vascular Surgery) covers

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. NUCC Health Care Provider Taxonomy, code 208G00000X
Allopathic & Osteopathic Physicians Thoracic Surgery (Cardiothoracic Vascular Surgery)

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1831721430 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateFeb 11, 2020
Last updatedJan 18, 2023
StatusDeactivated
Sole proprietorNo
CredentialMD PHD
Practice address NORTH SHORE UNIVERSITY HOSPITAL
CARDIOVASCULAR SURGERY, 300 COMMUNITY DRIVE
Manhasset, NY 11030
(617) 543-6696
Mailing address DEPARTMENT OF CARDIOVASCULAR SURGERY NORTH SHORE UNIVERSITY HOSPITAL, 300 COMMUNITY DRIVE
Manhasset, NY 11030
Other identifiers 315805 · Other (NY)
The last update on file is Jan 18, 2023. Providers are only required to update NPPES when their information changes, so an older date does not necessarily mean the details are wrong — but it is worth a quick call before you travel.

Number check

1831721430 passes the NPI check digit test The final digit 0 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 8 3 1 7 2 1 4 3
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 8 6 1 5 2 2 4 6

Sum = 60 · next multiple of 10 = 60 · check digit = 0 · actual last digit = 0

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1831721430?
NPI 1831721430 is the National Provider Identifier assigned to William Shi, MD PHD in Manhasset, NY. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician cover?
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…
How do I contact William Shi, MD PHD?
The phone number on file with NPPES is (617) 543-6696, last updated Jan 18, 2023. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does William Shi, MD PHD accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1831721430 a valid number?
Yes. 1831721430 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.