MS. GRACE M WILLIAMS (LICSW) – Clinical Social Worker, NPI 1700967494

MS. GRACE M WILLIAMS (LICSW) is a healthcare provider. based in Belmont, Massachusetts. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials LICSW. They hold a License No. 104988 (MA). The NPI Number for MS. GRACE M WILLIAMS (LICSW) is 1700967494

Main info

Female
Sole Proprietor
45 Years Of Experience
Accepts Medicare Assignment
Name
MS. GRACE M WILLIAMS (LICSW)
NPI
1700967494
Phone
(617) 584-9518
Address
53 CUSHING AVE
Enumeration Date
18 October 2006
Last Update Date
20 October 2022

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6175849518
Graduation Year
1981 (45 years ago)
PAC ID
9133386584
Professional Enrollment ID
I20120213000853
Address ID
MA024782707BE53XXXAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness75
Years active:19State licenses:1Digital endpointsOther names

4,194 CLINICAL SOCIAL WORKER in MA

Provider Addresses for MS. GRACE M WILLIAMS (LICSW)

  • 53 CUSHING AVE

    BELMONT, MA 02478

    Phone: (617) 584-9518

    Type: Mailing

  • 53 CUSHING AVENUE

    BELMONT, MA 02478

    Phone: (617) 584-9518

    Type: Location

  • 158, Mount Auburn Street, Old Cambridge, West Cambridge, Cambridge, Middlesex County, Massachusetts, 02138, United States

    CAMBRIDGE, MA 021384876

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2012-02-13

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20120213000853IClinical Social WorkerMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02478)

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Reviews

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Frequently asked questions

Can I verify MS. GRACE M WILLIAMS (LICSW) with an NPI only?
You can start verification with NPI 1700967494 for MS. GRACE M WILLIAMS (LICSW), then check state licensing separately.
Can I rely on MS. GRACE M WILLIAMS (LICSW) being an active provider?
As of the registry snapshot, MS. GRACE M WILLIAMS (LICSW) is marked active.
What taxonomy line describes MS. GRACE M WILLIAMS (LICSW)?
For research purposes, treat MS. GRACE M WILLIAMS (LICSW) as Clinical Social Worker in this dataset. Clinical services aligned with this taxonomy classification.
What area does MS. GRACE M WILLIAMS (LICSW) serve?
MS. GRACE M WILLIAMS (LICSW)'s listing highlights Belmont, Massachusetts; more addresses can appear in NPPES.
Why does MS. GRACE M WILLIAMS (LICSW) have multiple addresses?
4 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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