DRS BIONDO & SIM PA
NPI 1841479938
Internal Medicine in Havre De Grace, MD
About Drs Biondo & Sim Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DRS BIONDO & SIM PA (NPI 1841479938), doing business as Union Medical Clinic Pa, is a healthcare organization registered as an internal medicine in Havre De Grace, Maryland and active in the NPI registry since October 2007. The organization lists Thomas Biondo, Owner410939, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 9
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Drs Biondo & Sim Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Drs Biondo & Sim PA, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
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 Drs Biondo & Sim PA's NPI number?
The NPI number for Drs Biondo & Sim PA is 1841479938. It was assigned to this organization in the NPPES registry on October 25, 2007. The provider is doing business as Union Medical Clinic PA.
Where is Drs Biondo & Sim PA located?
Drs Biondo & Sim PA is located at 251 Lewis Lane Suite 201, Havre De Grace, MD 21078. The listed phone number is (410) 939-4477.
What is Drs Biondo & Sim PA's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Drs Biondo & Sim PA enrolled in Medicare?
Yes. Drs Biondo & Sim PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Drs Biondo & Sim PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Drs Biondo & Sim 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. The largest specialties are Nurse Practitioner (3) and Internal Medicine (2). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Drs Biondo & Sim PA was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.