DAVID DUFFIELD (LCSW) – Social Worker, NPI 1245809730
Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,153 CLINICAL SOCIAL WORKER in CT
Provider Addresses for DAVID DUFFIELD (LCSW)
170 FRANKLIN AVE
OAKVILLE, CT 067791455
Phone: (203) 892-1582
Type: Mailing
435 E MAIN ST
ANSONIA, CT 064011964
Phone: (203) 736-2601
Type: Location
1007 N MAIN ST
DAYVILLE, CT 062412170
Phone: (860) 774-2020
Type: Mailing
140 N FRONTAGE RD
MANSFIELD CENTER, CT 062501648
Phone: (860) 456-2261
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-01-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20230126003448 | I | Clinical Social Worker | CT | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 06779)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | CT | |
| Clinical Social Worker | CT | |
| Clinical Social Worker | CT | |
| Clinical Social Worker | CT | |
| - | CT | |
| - | CT | |
| Psychiatry, Geriatric Psychiatry | CT | |
| Clinical Social Worker | CT | |
| Mental Health Counselor | CT | |
| Mental Health Counselor | CT |
Reviews
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