NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William V Pham

Mental Health Counselor in Quincy, MA · enumerated 2025.

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

National Provider Identifier

1891684684

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name William V Pham
Sex Male
Practice address 100 Hancock St Ste 901, Quincy, MA, 02171
Enumeration date Jun 28, 2025
Last updated in NPPES Jun 28, 2025

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

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 William Pham?
The National Provider Identifier (NPI) for William Pham is 1891684684, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Pham practice?
The practice location on file with NPPES is in Quincy, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-28.