PREMIER ORAL AND FACIAL SURGERY
NPI 1659739456
Dentist - Oral and Maxillofacial Surgery in Wilmington, DE
About Premier Oral And Facial Surgery NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PREMIER ORAL AND FACIAL SURGERY (NPI 1659739456) is a healthcare organization registered as an oral and maxillofacial surgery in Wilmington, Delaware and active in the NPI registry since February 2016. The organization lists David Han Dieu, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Premier Oral And Facial Surgery is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Premier Oral And Facial Surgery, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 David Dieu Dmd, MD, PA's NPI number?
The NPI number for David Dieu Dmd, MD, PA is 1659739456. It was assigned to this organization in the NPPES registry on February 8, 2016. The provider is doing business as Premier Oral And Facial Surgery.
Where is David Dieu Dmd, MD, PA located?
David Dieu Dmd, MD, PA is located at 1202 Foulk Road, Wilmington, DE 19803. The listed phone number is (302) 273-8300.
What is David Dieu Dmd, MD, PA's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.
Is David Dieu Dmd, MD, PA enrolled in Medicare?
Yes. David Dieu Dmd, MD, PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through David Dieu Dmd, MD, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Oral Surgery) reassigns their Medicare billing to David Dieu Dmd, MD, PA. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does David Dieu Dmd, MD, PA accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Highmark Blue Cross Blue Shield Delaware and 1 other insurer list David Dieu Dmd, MD, PA 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 David Dieu Dmd, MD, PA was last updated on March 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Premier Oral And Facial Surgery · NPI 1659739456
Oral and Maxillofacial Surgery organization in Wilmington, Delaware. Organization record, active in the CMS NPPES registry since February 8, 2016.
## Identity
- **NPI:** 1659739456 (Entity type: Organization)
- **Enumerated:** February 8, 2016
- **Primary specialty:** Dentist - Oral and Maxillofacial Surgery · taxonomy 1223S0112X
- **Legal business name:** David Dieu Dmd, Md, Pa
- **Organization subpart:** No
- **Authorized official:** David Dieu, PRESIDENT
## Practice location
- **Address:** 1202 FOULK ROAD, Wilmington, DE 19803
- **Phone:** (302) 273-8300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Oral Surgery) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 16, 2016
- **Other identifiers:** Medicare UPIN 318452ZCDL (PA); Medicaid 102705221000 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1659739456) · Data from the CMS NPPES public registry.