DR. MARIT CONNOR DUFFY M.D.
NPI 1598927063
Radiology - Diagnostic Radiology in Annapolis, MD
About Dr. Marit Connor Duffy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIT CONNOR DUFFY M.D. (NPI 1598927063) is an individual diagnostic radiology provider in Annapolis, Maryland, licensed in Virginia (0101247096) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (2008).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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. Marit Connor Duffy 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
7Medicare enrollment records show Marit Duffy reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1194825240 (District of Columbia)
- 25 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 24 clinicians in this Medicare group
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21205
- Reassigned Medicare billing, District of Columbia enrollment
- 190 clinicians in this Medicare group
Hagerstown, MD 21742
- Reassigned Medicare billing, Maryland enrollment
- 311 clinicians in this Medicare group
Houston, TX 77055
- Reassigned Medicare billing, Texas enrollment
- 169 clinicians in this Medicare group
Harlingen, TX 78552
- Reassigned Medicare billing, Texas enrollment
- 21 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 74
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Luminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDLuminis Health Doctors Community Medical Ctr, Inc
Acute Care Hospitals · Lanham, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21401 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANNAPOLIS, MD 21401
ANNAPOLIS, MD 21401
ANNAPOLIS, MD 21401
ANNAPOLIS, MD 21401
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 Marit Duffy's NPI number?
The NPI number for Marit Duffy is 1598927063. It was assigned to this individual provider in the NPPES registry on June 26, 2008.
Where is Marit Duffy located?
Marit Duffy practices at 2002 Medical Pkwy Ste 235, Annapolis, MD 21401. The listed phone number is (410) 266-2770.
What is Marit Duffy's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Marit Duffy enrolled in Medicare?
Yes. Marit Duffy 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 Marit Duffy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marit Duffy reassigns Medicare benefits to 7 organizations: Luminis Health Imaging, Inc. (Annapolis, MD), Brown, Croft, Frazier, PA (Annapolis, MD), Johns Hopkins University (Baltimore, MD), Johns Hopkins University (Baltimore, MD), Meritus Medical Center Inc (Hagerstown, MD) and 2 more organizations, listed in the Medicare section above. 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 Marit Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marit Duffy accept?
Health plans from Blue Cross and Blue Shield of Texas list Marit Duffy 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.
Is Marit Duffy affiliated with any hospitals?
According to CMS data, Marit Duffy is affiliated with Luminis Health Anne Arundel Medical Center, Inc and Luminis Health Doctors Community Medical Ctr, Inc.
When was this NPI record last updated?
The NPPES record for Marit Duffy was last updated on June 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.