Margaret M. Oneill, PHD
Clinical Social Worker · Northampton, MA
Margaret M. Oneill, PHD is a clinical social worker with a practice address in Northampton, Massachusetts, and NPI 1508348137, issued on Aug 30, 2018. Check the license (Massachusetts 120459-SW-LICSW, 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
- Margaret M. Oneill
- Credential
- PHD
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 120459-SW-LICSW MA
Self-reported in NPPES; status is on the state search - Practice location
- 64 Kensington Avenue, Northampton, MA 01060
- Phone
- (917) 922-8927
- Enumerated
- Aug 30, 2018
- Record last updated
- Aug 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200919000020); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Verify Margaret M. Oneill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 120459-SW-LICSWCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Margaret M. Oneill among 17,815 clinical social worker records in Massachusetts
Margaret M. Oneill, PHD 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
- Graduated1997 · 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).
366 clinical social worker records list a practice address in Northampton
They are 366 of the 1,816 NPPES records with a practice address in Northampton, 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 Northampton → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Seth Dunn, MSW LICSWNorthampton, MA 010601285687590
- Phyllis Eckstein, MSW-LICSWNorthampton, MA 010601154305415
- Phoebe Fiddler, LICSWNorthampton, MA 010601366432072
- Melysa Friedman, MSW, LICSWNorthampton, MA 010601952350217
- Jaime Gershman, LICSWNorthampton, MA 010601659324945
- Heidi Haas, LICSWNorthampton, MA 010601013904929
- Susan Karas, L.I.C.S.W.Northampton, MA 010601023055886
- Jill Marland, LICSW MSWNorthampton, MA 010601104812205
Common questions
What is Margaret M. Oneill, PHD's NPI number?
Margaret M. Oneill, PHD's National Provider Identifier (NPI) is 1508348137, issued on Aug 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Margaret M. Oneill, PHD located?
The NPPES record lists a practice address at 64 Kensington Avenue, Northampton, MA, 01060. Phone: (917) 922-8927. Providers update this record themselves, so call before visiting.
How can I verify Margaret M. Oneill, PHD's license?
NPPES lists Massachusetts license number 120459-SW-LICSW, 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.