DR. THOMAS CHOU M.D.
NPI 1811102817
Pathology - Anatomic Pathology & Clinical Pathology in Newark, DE
About Dr. Thomas Chou M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS CHOU M.D. (NPI 1811102817) is an individual anatomic pathology & clinical pathology provider in Newark, Delaware, licensed in Delaware (C1-0023923) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2001).
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
Dr. Thomas Chou M.d. 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 Thomas Chou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newark, DE 19718
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1245674993 (Delaware)
- 1,531 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.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19718 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.
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
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 Thomas Chou's NPI number?
The NPI number for Thomas Chou is 1811102817. It was assigned to this individual provider in the NPPES registry on May 11, 2007.
Where is Thomas Chou located?
Thomas Chou practices at 4755 Ogletown Stanton Rd, Newark, DE 19718. The listed phone number is (302) 733-3633.
What is Thomas Chou's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Thomas Chou enrolled in Medicare?
Yes. Thomas Chou 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 Thomas Chou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Chou reassigns Medicare benefits to Christiana Care Health Services, Inc (Newark, DE). 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 Thomas Chou'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 Thomas Chou was last updated on May 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Dr. Thomas Chou, M.D. · NPI 1811102817
Anatomic Pathology & Clinical Pathology physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since May 11, 2007.
## Identity
- **NPI:** 1811102817 (Entity type: Individual)
- **Enumerated:** May 11, 2007
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** C1-0023923 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 4755 OGLETOWN STANTON RD, Newark, DE 19718-2200
- **Phone:** (302) 733-3633
## 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:** Christiana Care Health Services, Inc (NPI 1104896596, Newark, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2001
## Record status
- **NPPES last updated:** May 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811102817) · Data from the CMS NPPES public registry.