Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Joseph K Cavallo, MD

Dermatology Physician in Port Jefferson Station, NY · enumerated 2006 · practices at Harbor View Medical Services PC.

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

National Provider Identifier

1932212354

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Registry record

Entity type Individual (Type 1)

Name Mr. Joseph K Cavallo

Credential MD

Sex Male

Practice address 1500 Route 112 Bldg 6, Port Jefferson Station, NY, 11776

Phone (631) 732-9090

Fax (631) 732-8235

Enumeration date Aug 17, 2006

Last updated in NPPES Feb 1, 2012

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 158971 (NY) Primary

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

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 Joseph Cavallo?

The National Provider Identifier (NPI) for Joseph Cavallo is 1932212354, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joseph Cavallo practice?

The practice location on file with NPPES is in Port Jefferson Station, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Harbor View Medical Services PC Gastroenterology Physician · Port Jefferson Station, NY NPI 1871150193

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-01.