Allison Ostashen, LICSW
Clinical Social Worker · Abington, MA
Allison Ostashen, LICSW is a clinical social worker with a practice address in Abington, Massachusetts, and NPI 1881171478, issued on Jul 26, 2018. Check the license (Massachusetts 120659, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Allison Ostashen
- Credential
- LICSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 120659 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Pilgrim St, Abington, MA 02351
- Phone
- (617) 529-0420
- Enumerated
- Jul 26, 2018
- Record last updated
- Jul 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20260427003403); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Verify Allison Ostashen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 120659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Allison Ostashen among 17,815 clinical social worker records in Massachusetts
Allison Ostashen, LICSW 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 not. Its NPI, issued in 2018, is newer than 65% of them.
- NPI issued2018 · 65% of these records are older, 23% newer
- In a Medicare fileNo · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2012 · median 2004 among the 3,059 with a school on file
- Record last updated2018 · 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).
4 clinical social worker records list a practice address in Abington
They are 4 of the 129 NPPES records with a practice address in Abington, and 17,815 clinical social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,815 in Massachusetts → Every provider in Abington → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Cara Henry, LICSWAbington, MA 023511316012917
- Connor Kellett, LCSWAbington, MA 023511780364752
- Jennifer Theberge Ierardi, MSW LICSWAbington, MA 023511619019163
- Patricia Weldon, LICSWMonponsett, MA 023501912052580
- Debra Bulger, LICSWLakeville, MA 023471649284464
- Lucita Clondas, LICSWLakeville, MA 023471396016788
- Jessica Gravel, LICSWLakeville, MA 023471437799681
- Ginny Kelly, LICSWLakeville, MA 023471619980992
Common questions
What is Allison Ostashen, LICSW's NPI number?
Allison Ostashen, LICSW's National Provider Identifier (NPI) is 1881171478, issued on Jul 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Allison Ostashen, LICSW located?
The NPPES record lists a practice address at 55 Pilgrim St, Abington, MA, 02351. Phone: (617) 529-0420. Providers update this record themselves, so call before visiting.
How can I verify Allison Ostashen, LICSW's license?
NPPES lists Massachusetts license number 120659, 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. 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.