Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Mary Hasty Hickok, LICSW

Clinical Social Worker in Williamsburg, MA · enumerated 2007.

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

National Provider Identifier

1003958992

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Registry record

Entity type Individual (Type 1)

Name Ms. Mary Hasty Hickok

Credential LICSW

Sex Female

Practice address 62 South St, Williamsburg, MA, 01096

Phone (413) 348-8275

Fax (413) 582-6956

Enumeration date Feb 14, 2007

Last updated in NPPES Apr 29, 2022

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 103962 (MA) Primary

Other identifiers

Identifier	Type	State	Issuer
1893076	Other	MA	BC
249652	Other	MA	MAGELLAN
1893076	Other	MA	MBHP

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 Mary Hasty Hickok?

Mary Hasty Hickok is registered in NPPES with the primary taxonomy of Clinical Social Worker. 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-29.