William Thom

William Thom is a Social Worker provider (Social Worker) practicing in Millbrook, NY, registered in the NPPES registry with NPI 1700533080 since 2022.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1700533080
Entity type	Individual (Type 1)
Name	William Thom
Sex	Male
Practice address	Millbrook, NY, 12545
Phone	8453355615
Enumeration date	2022-03-07
Last updated in NPPES	2022-03-07

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

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
104100000X	Social Worker	Primary	112109	NY

Copy-ready billing details

Provider: William Thom
NPI: 1700533080
Taxonomy: 104100000X (Social Worker)
Address: Millbrook, NY, 12545

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1740323302	Kandice Zakarian	Individual	Athletic Trainer	Millbrook, NY

Verify this record

Cross-check NPI 1700533080 against the authoritative CMS record: view William Thom on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What specialty is William Thom?

William Thom is registered in NPPES with the primary taxonomy of 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 2026-07-11. Provider record last updated 2022-03-07.