Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Upinderjit Sidhu, MD

Specialist in Milford, CT · enumerated 2005.

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

National Provider Identifier

1821086638

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Registry record

Entity type Individual (Type 1)

Name Dr. Upinderjit Sidhu

Credential MD

Sex Male

Practice address 300 Seaside Ave, Milford, CT, 06460

Phone (203) 876-4178

Enumeration date Oct 6, 2005

Last updated in NPPES Feb 18, 2014

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 028677 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
001286774	Medicaid	CO	-

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 specialty is Upinderjit Sidhu?

Upinderjit Sidhu is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-18.