Catherine B. Theriault
Clinical Social Worker · South Boston, MA
Catherine B. Theriault is a clinical social worker with a practice address in South Boston, Massachusetts, and NPI 1457808263, issued on Sep 9, 2016. Check the license (Massachusetts 122393, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine B. Theriault
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 122393 MA
Self-reported in NPPES; status is on the state search - Practice location
- 25 James Oneill St, South Boston, MA 02127
- Phone
- (617) 534-9500
- Enumerated
- Sep 9, 2016
- Record last updated
- Apr 5, 2023
- Fax
- (617) 534-9515
- Medicare enrollment
- Enrolled (PECOS I20230418000330); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 25 James Oneill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel HarkMental Health Counselor1063284685
- Theresa JohnsonAddiction (Substance Use Disorder) Counselor1619738317
- Brianna KimickMental Health Counselor1184300568
- Meghan SheehanCounselor1235956418
- Alexandra SullivanMental Health Counselor1285462465
Verify Catherine B. Theriault in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 122393Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Boston Public Health CommissionBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine B. Theriault among 17,815 clinical social worker records in Massachusetts
Catherine B. Theriault is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 58% of them.
- NPI issued2016 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2017 · median 2004 among the 3,059 with a school on file
- Record last updated2023 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 clinical social worker records list a practice address in South Boston
They are 27 of the 224 NPPES records with a practice address in South Boston, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in South Boston → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Callie Armstrong, LICSWBoston, MA 021271194034546
- James Gardner, Jr., PHD LICSWSouth Boston, MA 021271407819261
- Emily Hames, LICSWSouth Boston, MA 021271689814741
- William Healey, M.S.W.Boston, MA 021271023325263
- Barbara Keefe, LICSWBoston, MA 021271790709244
- Mary Kelleher, LICSWSouth Boston, MA 021271295798114
- Christopher Lauzon, LICSWSouth Boston, MA 021271710216577
- Keith Mantel, LICSWSouth Boston, MA 021271356351118
Common questions
What is Catherine B. Theriault's NPI number?
Catherine B. Theriault's National Provider Identifier (NPI) is 1457808263, issued on Sep 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Catherine B. Theriault located?
The NPPES record lists a practice address at 25 James Oneill St, South Boston, MA, 02127. Phone: (617) 534-9500. Providers update this record themselves, so call before visiting.
How can I verify Catherine B. Theriault's license?
NPPES lists Massachusetts license number 122393, as entered by the provider. Search the Massachusetts 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.