Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chad S Singer, IDC

Independent Duty Corpsman in Groton, CT · enumerated 2018.

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

National Provider Identifier

1508361551

Verified

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Registry record

Entity type Individual (Type 1)

Name Chad S Singer

Credential IDC

Sex Male

Practice address Naval Undersea Medical Institute, 159 Navsubase Nlon, Groton, CT, 06340

Phone (860) 581-0090

Enumeration date Mar 29, 2018

Last updated in NPPES Mar 29, 2018

Taxonomy & licenses

1710I1002X Independent Duty Corpsman Other Service Providers Primary

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Chad Singer?

Chad Singer is registered in NPPES with the primary taxonomy of Independent Duty Corpsman. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-29.