THADDEAUS SAMUEL FOSTER
NPI 1871159475
Psychiatry & Neurology - Psychiatry in New Castle, DE
About Thaddeaus Samuel Foster NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THADDEAUS SAMUEL FOSTER (NPI 1871159475) is an individual psychiatry provider in New Castle, Delaware, licensed in Virginia (0101278017) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Meharry Medical College School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
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
Thaddeaus Samuel Foster 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 Thaddeaus Foster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 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 19720 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW CASTLE, DE 19720
NEW CASTLE, DE 19720
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 Thaddeaus Foster's NPI number?
The NPI number for Thaddeaus Foster is 1871159475. It was assigned to this individual provider in the NPPES registry on May 20, 2019.
Where is Thaddeaus Foster located?
Thaddeaus Foster practices at 1901 N Dupont Hwy, New Castle, DE 19720. The listed phone number is (302) 255-2700.
What is Thaddeaus Foster's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Thaddeaus Foster enrolled in Medicare?
Yes. Thaddeaus Foster 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 Thaddeaus Foster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thaddeaus Foster reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Annapolis, MD). 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 Thaddeaus Foster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Thaddeaus Foster was last updated on July 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Thaddeaus Samuel Foster · NPI 1871159475
Psychiatry physician in New Castle, Delaware. Individual provider, active in the CMS NPPES registry since May 20, 2019.
## Identity
- **NPI:** 1871159475 (Entity type: Individual)
- **Enumerated:** May 20, 2019
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 0101278017 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1901 N DUPONT HWY, New Castle, DE 19720-1160
- **Phone:** (302) 255-2700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1952461816, Annapolis, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Meharry Medical College School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** July 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1871159475) · Data from the CMS NPPES public registry.