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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MR. WILLIAM CHASE CANNON
NPI 1659040178
Social Worker in Waltham, MA

Active since September 08, 2021
431 RIVER ST STE 1, WALTHAM, MA 02453(781) 423-5215 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 27, 2026, Apr 30, 2024, Sep 8, 2021 (3 updates tracked since 2021).

About Mr. William Chase Cannon NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM CHASE CANNON (NPI 1659040178) is an individual social worker in Waltham, Massachusetts and active in the NPI registry since September 2021.

NPPES Registry Identity

NPI1659040178
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMR. WILLIAM CHASE CANNON
Location Address431 RIVER ST STE 1Waltham, MA 02453-5483
Mailing Address431 River St Ste 1Waltham, MA 02453-5483 · (781) 423-5215
Phone(781) 423-5215
Sole ProprietorNo
Enumeration DateSeptember 8, 2021
Last NPPES UpdateJuly 27, 20263 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1659040178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedCounselorTaxonomy 101Y00000X
431 RIVER ST STE 1, Waltham, MA 02453
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEGAN HARRINGTON
Counselor
431 RIVER ST STE 1
WALTHAM, MA 02453
Middlesex County (781) 891-0555
HSIAO-HAN LIN
Counselor (Mental Health)
431 RIVER ST STE 1
WALTHAM, MA 02453
Middlesex County (781) 891-0555
KELLEY DARON LICSW
Social Worker (Clinical)
431 RIVER ST STE 1
WALTHAM, MA 02453
Middlesex County (781) 966-5644
MS. MARCY WYNNE WEST LICSW
Social Worker (Clinical)
431 RIVER ST STE 1
WALTHAM, MA 02453
Middlesex County (781) 966-5697
MS. ZIHAN YANG LMHC
Counselor
431 RIVER ST STE 1
WALTHAM, MA 02453
Middlesex County (781) 966-5662
JILLIAN CAMPBELL MSW, LCSW
Social Worker (Clinical)
431 RIVER ST STE 1
WALTHAM, MA 02453
Middlesex County (203) 217-9683
MRS. MINOLDA JEAN- JOSEPH MSW
Social Worker (Clinical)
431 RIVER ST STE 1
WALTHAM, MA 02453
Middlesex County (781) 423-5225
JULIA NUSS
Peer Specialist
431 RIVER ST STE 1
WALTHAM, MA 02453
Middlesex County (781) 966-5686

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Cannon's NPI number?

The NPI number for William Cannon is 1659040178. It was assigned to this individual provider in the NPPES registry on September 8, 2021.

Where is William Cannon located?

William Cannon practices at 431 River St Ste 1, Waltham, MA 02453. The listed phone number is (781) 423-5215.

What is William Cannon's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for William Cannon was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.