THERESA GAY DUFFEY LCSW
NPI 1184120164
Social Worker - Clinical in South Boston, VA
About Theresa Gay Duffey Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESA GAY DUFFEY LCSW (NPI 1184120164) is an individual clinical provider in South Boston, Virginia, licensed in Virginia (0904010278) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boydton, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Theresa Gay Duffey Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Theresa Duffey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
South Boston, VA 24592
- Reassigned Medicare billing, Virginia enrollment
- Also billed through NPI 1972861151 (Virginia), NPI 1114630662 (Virginia)
- 29 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 24592 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTH BOSTON, VA 24592
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Theresa Duffey's NPI number?
The NPI number for Theresa Duffey is 1184120164. It was assigned to this individual provider in the NPPES registry on March 30, 2018.
Where is Theresa Duffey located?
Theresa Duffey practices at 1627 Seymour Dr, South Boston, VA 24592. The listed phone number is (434) 575-1336.
What is Theresa Duffey's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Theresa Duffey enrolled in Medicare?
Yes. Theresa Duffey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Theresa Duffey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Duffey reassigns Medicare benefits to Piedmont Access To Health Services, Inc (South Boston, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Theresa Duffey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theresa Duffey accept?
Health plans from Oscar Health list Theresa Duffey as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Theresa Duffey was last updated on March 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Theresa Gay Duffey, LCSW · NPI 1184120164
Clinical provider in South Boston, Virginia. Individual provider, active in the CMS NPPES registry since March 30, 2018.
## Identity
- **NPI:** 1184120164 (Entity type: Individual)
- **Enumerated:** March 30, 2018
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 0904010278 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1627 SEYMOUR DR, South Boston, VA 24592-3447
- **Phone:** (434) 575-1336 · **Fax:** (434) 575-1349
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Piedmont Access To Health Services, Inc (NPI 1235677634, South Boston, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** March 30, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1184120164) · Data from the CMS NPPES public registry.