SUSAN BRENNAN D.O.
NPI 1952328411
Emergency Medicine in Dover, DE
About Susan Brennan D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN BRENNAN D.O. (NPI 1952328411) is an individual emergency medicine provider in Dover, Delaware, licensed in Delaware (C2-0007293) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
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
Susan Brennan D.o. 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
3Medicare enrollment records show Susan Brennan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1356808208 (Delaware)
- 84 clinicians in this Medicare group
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 142 clinicians in this Medicare group
Newark, DE 19713
- Reassigned Medicare billing, Delaware and Maryland enrollments
- 113 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 9
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19901 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Susan Brennan's NPI number?
The NPI number for Susan Brennan is 1952328411. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Susan Brennan located?
Susan Brennan practices at 640 S State St, Dover, DE 19901. The listed phone number is (302) 674-4700.
What is Susan Brennan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Susan Brennan enrolled in Medicare?
Yes. Susan Brennan 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 Susan Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Brennan reassigns Medicare benefits to 3 organizations: Bayhealth Medical Center, Inc. (Dover, DE), Bayhealth Emergency Physicians LLC (Dover, DE) and Christiana Care Quality Partners (Newark, DE). 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 Susan Brennan'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 Susan Brennan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Susan Brennan, D.O. · NPI 1952328411
Emergency Medicine physician in Dover, Delaware. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1952328411 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C2-0007293 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 640 S STATE ST, Dover, DE 19901-3530
- **Phone:** (302) 674-4700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Bayhealth Medical Center, Inc. (NPI 1679072144, Dover, DE); Bayhealth Emergency Physicians LLC (NPI 1073012696, Dover, DE); Christiana Care Quality Partners (NPI 1164061867, Newark, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1952328411) · Data from the CMS NPPES public registry.