NPPES file of Aug 9, 2026

Molly Leigh Dietzler O'Brien, LICSW

Clinical Social Worker · Warwick, RI

Molly Leigh Dietzler O'Brien, LICSW is a clinical social worker with a practice address in Warwick, Rhode Island, and NPI 1083166458, issued on Nov 1, 2016. Check the license (Rhode Island ISW02668, as entered in NPPES) with the Rhode Island board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083166458
Name
Molly Leigh Dietzler O'Brien
Credential
LICSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
ISW02668 RI
Self-reported in NPPES; status is on the state search
Practice location
1045 Warwick Ave, Warwick, RI 02888
Phone
(401) 406-1205
Enumerated
Nov 1, 2016
Record last updated
Nov 1, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(401) 270-0660
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 1045 Warwick Ave

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

  1. Jessica Bergden, D.C.Chiropractor1073683140
  2. Fatima BreesClinical Social Worker1164214763
  3. Kristin David, PSYDPsychologist1972708287
  4. Jessica Hamel, LICSWClinical Social Worker1447402110
  5. Rachel HamelClinical Social Worker1881571339
  6. Tracy Lapointe WebberSocial Worker1710839741

Verify Molly Leigh Dietzler O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
    Search for license ISW02668    Check 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 Rhode Island 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.

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257 clinical social worker records list a practice address in Warwick

They are 257 of the 2,776 NPPES records with a practice address in Warwick, and 2,438 clinical social worker records in Rhode Island. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 257 in Warwick → All 2,438 in Rhode Island → Every provider in Warwick →

Other clinical social worker records in Rhode Island

  1. Chantal Abbott, LCSWNorth Kingstown, RI1316659089
  2. Rosemarie Abbruzzese, LICSWWarwick, RI1285745919
  3. Ronald Abrams, LICSWWarwick, RI1255433710
  4. Toni Acampora, LICSWProvidence, RI1003511809
  5. Kristen Acciari, LICSWWarwick, RI1427280346
  6. Vivian Acevedo, LICSWCranston, RI1407386782
  7. Linsee Ackerman, CSWMiddletown, RI1780309690
  8. Nina Ackmann, LICSWWarwick, RI1285070383
  9. Alyssa Acosta, LICSWPawtucket, RI1801279591
  10. Lauren Acquino, LCSW, LICSWAshaway, RI1962186643

Common questions

What is Molly Leigh Dietzler O'Brien, LICSW's NPI number?

Molly Leigh Dietzler O'Brien, LICSW's National Provider Identifier (NPI) is 1083166458, issued on Nov 1, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Molly Leigh Dietzler O'Brien, LICSW located?

The NPPES record lists a practice address at 1045 Warwick Ave, Warwick, RI, 02888. Phone: (401) 406-1205. Providers update this record themselves, so call before visiting.

How can I verify Molly Leigh Dietzler O'Brien, LICSW's license?

NPPES lists Rhode Island license number ISW02668, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.