NPPES file of Aug 9, 2026

Gagnon Oncology, LLC in Frederick, MD

This location of Gagnon Oncology bills under NPI 1376814293, an organization record issued on Jan 24, 2012 with the primary taxonomy Radiation Oncology Physician. It is one of 2 NPIs registered under this name; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1376814293
Legal name
Gagnon Oncology, LLC
Entity
Type 2 · organization, a subpart
Parent organization
Gagnon Oncology, LLC
Primary taxonomy
Radiation Oncology Physician 2085R0001X
Practice location
1562 OPOSSUMTOWN PIKE, Frederick, MD 21702
Phone
240-566-4500
Mailing address
Hornell, NY
Enumerated
Jan 24, 2012
Record updated
Jan 14, 2025
Authorized official
Administrator (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

2 clinicians CMS lists with Gagnon Oncology in Frederick

  1. Gregory GagnonRadiation Oncology Physician1407854268
  2. Jefferson Moulds, MDRadiation Oncology Physician1265420582

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 2 Gagnon Oncology NPIs

Every location registered under this name, in 2 cities.

See every location

Checking an organization

  1. Confirm the business with the Maryland secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Why is the mailing address in New York?

The mailing address in the record (Hornell, NY) is where the organization receives mail. Care is given at the practice location in Frederick.

What does subpart mean?

The organization registered this NPI as a subpart: a part of the organization, such as a location, that bills under its own NPI.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.