DR. LISA RANI MAERCKS-NAGLE M.D.
NPI 1942289830
Emergency Medicine in Wilmington, DE
About Dr. Lisa Rani Maercks-nagle M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LISA RANI MAERCKS-NAGLE M.D. (NPI 1942289830) is an individual emergency medicine provider in Wilmington, Delaware, licensed in Delaware (C1-0006264) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Florida College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Lisa Rani Maercks-nagle 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
3Medicare enrollment records show Lisa Maercks-nagle reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wilmington, DE 19805
- Reassigned Medicare billing, Delaware enrollment
- 16 clinicians in this Medicare group
Wilmington, DE 19805
- Reassigned Medicare billing, Delaware enrollment
- 29 clinicians in this Medicare group
Dover, DE 19901
- Reassigned Medicare billing, Delaware enrollment
- 142 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 2
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 19805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WILMINGTON, DE 19805
WILMINGTON, DE 19805
WILMINGTON, DE 19805
WILMINGTON, DE 19805
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 Lisa Maercks-nagle's NPI number?
The NPI number for Lisa Maercks-nagle is 1942289830. It was assigned to this individual provider in the NPPES registry on January 10, 2006.
Where is Lisa Maercks-nagle located?
Lisa Maercks-nagle practices at 701 N Clayton St, Wilmington, DE 19805. The listed phone number is (302) 266-9706.
What is Lisa Maercks-nagle's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Lisa Maercks-nagle enrolled in Medicare?
Yes. Lisa Maercks-nagle 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 Lisa Maercks-nagle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Maercks-nagle reassigns Medicare benefits to 3 organizations: Cep America LLC (Wilmington, DE), Emergency Physician Associates Of Delaware PC (Wilmington, DE) and Bayhealth Emergency Physicians LLC (Dover, 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 Lisa Maercks-nagle'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 Lisa Maercks-nagle was last updated on September 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Lisa Rani Maercks-Nagle, M.D. · NPI 1942289830
Emergency Medicine physician in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since January 10, 2006.
## Identity
- **NPI:** 1942289830 (Entity type: Individual)
- **Enumerated:** January 10, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C1-0006264 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 N CLAYTON ST, Wilmington, DE 19805-3165
- **Phone:** (302) 266-9706
## 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): Cep America LLC (NPI 1104703461, Wilmington, DE); Emergency Physician Associates Of Delaware PC (NPI 1679514467, Wilmington, DE); Bayhealth Emergency Physicians LLC (NPI 1073012696, Dover, DE) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Florida College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** September 25, 2023
- **Other identifiers:** Medicaid 0752274 (NJ); Medicaid 250692094 (DE)
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Source: [NPI Profile](https://npiprofile.com/npi/1942289830) · Data from the CMS NPPES public registry.