DR. DON QUANG NGUYEN M.D.
NPI 1427012665
Internal Medicine in Lancaster, PA
About Dr. Don Quang Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DON QUANG NGUYEN M.D. (NPI 1427012665) is an individual internal medicine provider in Lancaster, Pennsylvania, licensed in Pennsylvania (MD064532L) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Wellspan Ephrata Community Hospital, and maintains 20 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 20
Other Identifiers 1
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. Don Quang Nguyen 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 Reassignments
2Medicare enrollment records show Don Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Ephrata, PA 17522
- Reassigned Medicare billing, Pennsylvania enrollment
- 143 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellspan Ephrata Community Hospital
Acute Care Hospitals · Ephrata, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17601 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LANCASTER, PA 17601
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 Don Nguyen's NPI number?
The NPI number for Don Nguyen is 1427012665. It was assigned to this individual provider in the NPPES registry on April 14, 2006.
Where is Don Nguyen located?
Don Nguyen practices at 1625 Oregon Pike, Lancaster, PA 17601. The listed phone number is (717) 925-2995.
What is Don Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Don Nguyen enrolled in Medicare?
Yes. Don Nguyen 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 organizations bill Medicare for Don Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Don Nguyen reassigns Medicare benefits to 2 organizations: Wellspan Medical Group (Lancaster, PA) and Good Samaritan Physician Services (Ephrata, PA). Each 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 Don Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Don Nguyen affiliated with any hospitals?
According to CMS data, Don Nguyen is affiliated with Wellspan Ephrata Community Hospital.
When was this NPI record last updated?
The NPPES record for Don Nguyen was last updated on February 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.