Individual provider Active NPI

Lisa Rani Maercks-Nagle, M.D.

  • Emergency Medicine Physician
  • Wilmington, DE
National Provider Identifier
1942289830
Registry record updated Sep 25, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
C1-0006264 Issued in DE
Practice address
701 N Clayton St
Wilmington, DE 19805-3165
Phone
(302) 266-9706
NPI assigned
Jan 10, 2006
Last updated
Sep 25, 2023By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 25, 2023

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X C1-0006264 DE Primary

Addresses

Primary practice location

701 N Clayton St
Wilmington, DE 19805-3165

Mailing address

701 N Clayton St
Wilmington, DE 19805-3165
Phone (302) 266-9706

Other identifiers 2

IdentifierTypeStateIssuer
0752274MedicaidNJ
250692094MedicaidDE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DE
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040910000146 DE Practitioner - Emergency Medicine 9830097971 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Florida College of Medicine, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cep America LLCGroup PAC ID 6608056171, 995 clinicians

Practice addresses (Care Compare)

701 N Clayton St
Wilmington, DE 19805-3165
Phone (302) 421-4100

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.98 of 100Reported as group
Quality
78.42
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
C1-0006264DEMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Bayhealth Emergency Physicians LLC Emergency Medicine CurrentSince Mar 27, 2018 Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Oct 22, 2025 Accepting new patients
Emergency Physician Associates of Delaware PC Emergency Medicine CurrentSince Aug 1, 2003 Accepting new patients
Cep America LLC Emergency Medicine CurrentSince Oct 22, 2025 Accepting new patients
Midpacific Hospitalists LLC Past Accepting new patients
Bayhealth Medical Center, Inc Past Accepting new patients
Doctors for Emergency Service Emergency Medicine Past Accepting new patients
Rosebud Indian Health Service Past Accepting new patients
Hawaii Emergency Physicians Associated Inc Emergency Medicine PastSince Nov 1, 2012 Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

640 S State St
Dover, DE 19901
Phone (302) 744-4700

21 W Clarke Ave
Milford, DE 19963
Phone (302) 422-3311

18383 Hudson Rd
Ste A
Milton, DE 19968
Phone (302) 725-3500

701 N Clayton St
Wilmington, DE 19805
Phone (302) 421-4100

Interoperability endpoints

  • Direct secure messaging: lmaercksnagle2018272@direct.trinity-health.org

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1136851200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1695600000000",
    "number": "1942289830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "701 N CLAYTON ST",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198053165",
            "telephone_number": "302-266-9706"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 N CLAYTON ST",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198053165",
            "telephone_number": "302-266-9706"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAERCKS-NAGLE",
        "first_name": "LISA",
        "middle_name": "RANI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-10",
        "last_updated": "2023-09-25",
        "certification_date": "2023-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "DE",
            "license": "C1-0006264",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0752274",
            "state": "NJ"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "250692094",
            "state": "DE"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Wilmington, DE

Sources for this page

Verify at the official NPI Registry.