DIEMNGOC T. DANG MD
NPI 1215927629
Ophthalmology in Fredericksburg, VA
About Diemngoc T. Dang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIEMNGOC T. DANG MD (NPI 1215927629) is an individual ophthalmology provider in Fredericksburg, Virginia, licensed in Virginia (0101232891) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diemngoc T. Dang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diemngoc Dang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fredericksburg, VA 22407
- Reassigned Medicare billing, Virginia enrollment
- 12 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 22407 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FREDERICKSBURG, VA 22407
FREDERICKSBURG, VA 22407
FREDERICKSBURG, VA 22407
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 Diemngoc Dang's NPI number?
The NPI number for Diemngoc Dang is 1215927629. It was assigned to this individual provider in the NPPES registry on October 26, 2005.
Where is Diemngoc Dang located?
Diemngoc Dang practices at 4710 Spotsylvania Pkwy Suite 104, Fredericksburg, VA 22407. The listed phone number is (540) 741-2733.
What is Diemngoc Dang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Diemngoc Dang enrolled in Medicare?
Yes. Diemngoc Dang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diemngoc Dang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diemngoc Dang reassigns Medicare benefits to Mary Washington Eye Care Center, LLC (Fredericksburg, 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 Diemngoc Dang'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 Diemngoc Dang was last updated on March 24, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Diemngoc T. Dang, MD · NPI 1215927629
Ophthalmology physician in Fredericksburg, Virginia. Individual provider, active in the CMS NPPES registry since October 26, 2005.
## Identity
- **NPI:** 1215927629 (Entity type: Individual)
- **Enumerated:** October 26, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 0101232891 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4710 SPOTSYLVANIA PKWY, SUITE 104, Fredericksburg, VA 22407-9433
- **Phone:** (540) 741-2733
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mary Washington Eye Care Center, LLC (NPI 1720301625, Fredericksburg, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 24, 2010
- **Other identifiers:** Medicare UPIN H94760; Medicaid 010162645 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1215927629) · Data from the CMS NPPES public registry.