Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Hudson Valley Sleep Medicine, Pllc.

Sleep Medicine (Internal Medicine) Physician in Chappaqua, NY · enumerated 2007 · authorized official Tony Knight, Administrator.

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

National Provider Identifier

1427246107

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Registry record

Entity type Organization (Type 2)

Legal business name Hudson Valley Sleep Medicine, Pllc.

Practice address 6 Stony Hollow, Chappaqua, NY, 10514

Phone (914) 760-7379

Fax (914) 251-0759

Enumeration date Oct 9, 2007

Last updated in NPPES Nov 20, 2020

Taxonomy & classification

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 170265-3 (NY) Primary

Authorized official

Name Tony Knight

Title Administrator

Phone (914) 251-0799

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-11-20. Verify at npiregistry.cms.hhs.gov.

Where is Hudson Valley Sleep Medicine, Pllc. located?

The practice location on file with NPPES is in Chappaqua, NY.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-20.