DR. STEPHEN MARK CARROLL DO
NPI 1649418294
Emergency Medicine in Newark, DE
About Dr. Stephen Mark Carroll Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN MARK CARROLL DO (NPI 1649418294) is an individual emergency medicine provider in Newark, Delaware, licensed in Delaware (C2-002410) and active in the NPI registry since February 2009. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and is a graduate of Philadelphia College Of Osteopathic Medicine (2009).
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
Dr. Stephen Mark Carroll Do 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 Stephen Carroll reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19718
- Reassigned Medicare billing, Delaware and Maryland enrollments
- Also billed through NPI 1871375899 (Maryland)
- 167 clinicians in this Medicare group
Newark, DE 19718
- Reassigned Medicare billing, Delaware enrollment
- 1,531 clinicians in this Medicare group
Langhorne, PA 19047
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Emergency Care Services Of Pennsylvania PC
- 329 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 4
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.
Union Hospital Of Cecil County
Acute Care Hospitals · Elkton, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19718 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.
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
NEWARK, DE 19718
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 Stephen Carroll's NPI number?
The NPI number for Stephen Carroll is 1649418294. It was assigned to this individual provider in the NPPES registry on February 4, 2009.
Where is Stephen Carroll located?
Stephen Carroll practices at 4755 Ogletown Stanton Rd, Newark, DE 19718. The listed phone number is (302) 733-1806.
What is Stephen Carroll's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Stephen Carroll enrolled in Medicare?
Yes. Stephen Carroll 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 Stephen Carroll's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Carroll reassigns Medicare benefits to 3 organizations: Christiana Care Emergency Physicians LLC (Newark, DE), Christiana Care Health Services, Inc (Newark, DE) and Emergency Care Services Of Pennsylvania, P.C. (Langhorne, 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 Stephen Carroll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Carroll affiliated with any hospitals?
According to CMS data, Stephen Carroll is affiliated with Union Hospital Of Cecil County.
When was this NPI record last updated?
The NPPES record for Stephen Carroll was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Dr. Stephen Mark Carroll, DO · NPI 1649418294
Emergency Medicine physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since February 4, 2009.
## Identity
- **NPI:** 1649418294 (Entity type: Individual)
- **Enumerated:** February 4, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C2-002410 (Delaware)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4755 OGLETOWN STANTON RD, Newark, DE 19718-2200
- **Phone:** (302) 733-1806
## 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): Christiana Care Emergency Physicians LLC (NPI 1639956451, Newark, DE); Christiana Care Health Services, Inc (NPI 1104896596, Newark, DE); Emergency Care Services Of Pennsylvania, P.C. (NPI 1114955010, Langhorne, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2009
## Record status
- **NPPES last updated:** July 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649418294) · Data from the CMS NPPES public registry.