Registry data as of Aug 27, 2026

Mallory Williston, BA

Professional Counselor · Pawcatuck, CT

Mallory Williston, BA is a professional counselor with a practice address in Pawcatuck, Connecticut, and NPI 1598461378, issued on Feb 3, 2023. Check the license with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598461378
Name
Mallory Williston
Credential
BA
Primary taxonomy
Professional Counselor 101YP2500X
Practice location
38 S Broad St, Pawcatuck, CT 06379
Phone
(860) 437-4550
Enumerated
Feb 3, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 38 S Broad St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vickie Cummings, MSMarriage & Family Therapist1265166003
  2. Sarah Schilke, MSWClinical Social Worker1255153326

Verify Mallory Williston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2 professional counselor records list a Pawcatuck practice address

They are 2 of the 75 NPPES records with a Pawcatuck practice address, and 2,463 professional counselor records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other professional counselor records in Connecticut

  1. Neha AamirDanbury, CT1649863796
  2. Dontae AbbateWest Haven, CT1538090469
  3. Debra Abbey, NCC LPC ADHD-CCSPUncasville, CT1952935496
  4. Christine Abbott, LPCCollinsville, CT1558867945
  5. Cynthia AbbottDanbury, CT1144885302
  6. Christopher Abildgaard, LPCWallingford, CT1942573480
  7. Charlotte Abrams, LPCManchester, CT1700841376
  8. Lauren Abric, LPC, ATR, BCPCHartford, CT1598071045
  9. Jaime Acevedo, LPCBloomfield, CT1538602610
  10. Chelsea AckermanWestport, CT1518608132

Common questions

What is Mallory Williston, BA's NPI number?

Mallory Williston, BA's National Provider Identifier (NPI) is 1598461378, issued on Feb 3, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mallory Williston, BA located?

The NPPES record lists a practice address at 38 S Broad St, Pawcatuck, CT, 06379. Phone: (860) 437-4550. Providers update this record themselves, so call before visiting.

How can I verify Mallory Williston, BA's license?

Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.