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

C. W. Dean Tsapatsaris, LICSW

Clinical Social Worker in Danvers, MA · enumerated 2006 · practices at Lilia S. Fiat, D.M.D., LLC.

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

National Provider Identifier

1073615522

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Registry record

Entity type Individual (Type 1)

Name C. W. Dean Tsapatsaris

Credential LICSW

Sex Male

Practice address Danvers, MA, 01923

Phone (978) 777-7188

Fax (978) 774-1283

Enumeration date Sep 4, 2006

Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 105447 (MA) Primary

Other identifiers

Identifier	Type	State	Issuer
715303	Other	MA	TUFTS HEALTH PLAN
016976	Other	MA	HARVARD PILGRIM
69186	Other	MA	CIGNA BEHAVIORAL HEALTH
011488	Other	MA	VALUEOPTIONS
052643000	Other	MA	MAGELLAN BEHAVIORAL HEALT
P04879	Other	MA	BLUE CROSS OF MA

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 C. W. Dean Tsapatsaris?

The National Provider Identifier (NPI) for C. W. Dean Tsapatsaris is 1073615522, a Type 1 (individual) record in the CMS NPPES registry.

Where does C. W. Dean Tsapatsaris practice?

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

Other providers at this practice address

Browse all →

Danielle Zabel Clinical Child & Adolescent Psychologist · Danvers, MA NPI 1124019229 Jeffrey Robbins Clinical Social Worker · Danvers, MA NPI 1245218015 Thomas Mcmahon Clinical Social Worker · Danvers, MA NPI 1518988922 Richard Aberman Clinical Social Worker · Danvers, MA NPI 1699872515 Lilia S. Fiat, D.M.D., LLC General Practice Dentistry · Danvers, MA NPI 1457400038 Leslie Toner Clinical Social Worker · Danvers, MA NPI 1497876270 Giovanna Romero Clinical Child & Adolescent Psychologist · Danvers, MA NPI 1093186983

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.