Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Thinesh Dahanayake, MD

Pulmonary Disease Physician in Norwich, CT · enumerated 2007 · practices at Pulmonary Physicians of Norwich PC.

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

National Provider Identifier

1639293186

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Registry record

Entity type Individual (Type 1)

Name Thinesh Dahanayake

Credential MD

Sex Male

Practice address Norwich, CT, 06360

Phone (860) 886-1862

Fax (860) 886-2046

Enumeration date Mar 19, 2007

Last updated in NPPES May 21, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 049691 (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
1639293186	Medicaid	CT	-

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.

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Frequently asked questions

What is the NPI number for Thinesh Dahanayake?

The National Provider Identifier (NPI) for Thinesh Dahanayake is 1639293186, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thinesh Dahanayake practice?

The practice location on file with NPPES is in Norwich, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-21.