Margaret Oneill, PHD
NPI 1508348137 · Clinical Social Worker · Northampton, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Oneill, PHD is a Clinical Social Worker provider in Northampton, MA (NPI 1508348137).
Provider details
- NPI number
- 1508348137
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 120459-SW-LICSW (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-08-30
- Last updated
- 2018-08-30
Frequently asked questions
- What is Margaret Oneill's NPI number?
- Margaret Oneill's National Provider Identifier (NPI) is 1508348137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Oneill's specialty?
- Margaret Oneill is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Oneill located?
- Margaret Oneill's practice location on file with NPPES is 64 Kensington Avenue, Northampton, MA 01060-2920.
- What is Margaret Oneill's phone number?
- The practice phone number listed in the NPPES registry for Margaret Oneill is (917) 922-8927.
- Does Margaret Oneill accept Medicare?
- Margaret Oneill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Oneill's NPI active?
- Yes — Margaret Oneill's NPI (1508348137) is active in the NPPES registry as of the last update on 2018-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.