Margaret Seiler, M.S.W.
NPI 1306922463 · Clinical Social Worker · Northampton, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Seiler, M.S.W. is a Clinical Social Worker provider in Northampton, MA (NPI 1306922463).
Provider details
- NPI number
- 1306922463
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- M.S.W.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 106806 (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
19 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
- 2006-10-31
- Last updated
- 2020-11-05
- Certified
- 2020-11-05
Frequently asked questions
- What is Margaret Seiler's NPI number?
- Margaret Seiler's National Provider Identifier (NPI) is 1306922463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Seiler's specialty?
- Margaret Seiler is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Seiler located?
- Margaret Seiler's practice location on file with NPPES is 264 Elm St, Northampton, MA 01060-2951.
- What is Margaret Seiler's phone number?
- The practice phone number listed in the NPPES registry for Margaret Seiler is (413) 493-1883.
- Does Margaret Seiler accept Medicare?
- Margaret Seiler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Seiler's NPI active?
- Yes — Margaret Seiler's NPI (1306922463) is active in the NPPES registry as of the last update on 2020-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.