Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Clinical Center for Neoplastic Diseases, P.C.

Endocrinology, Diabetes & Metabolism Physician in Ansonia, CT · enumerated 2007 · authorized official Sandra Watson, Office Mnager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1164545810

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Registry record

Entity type Organization (Type 2)

Legal business name Clinical Center for Neoplastic Diseases, P.C.

Practice address 158 Main St, Ansonia, CT, 06401

Phone (203) 735-8783

Fax (203) 732-3692

Enumeration date Apr 9, 2007

Last updated in NPPES Sep 11, 2025

Taxonomy & classification

207RA0000X Adolescent Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians Secondary

207RX0202X Medical Oncology Physician Allopathic & Osteopathic Physicians Secondary

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Sandra Watson

Title Office Mnager

Phone (203) 735-8783

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Clinical Center for Neoplastic Diseases, P.C.?

The NPI for Clinical Center for Neoplastic Diseases, P.C. is 1164545810, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Clinical Center for Neoplastic Diseases, P.C.?

NPPES lists Sandra Watson (Office Mnager) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.