Individual provider Active NPI

Jonathan Dillen

  • Emergency Medicine Physician
  • Newark, DE
National Provider Identifier
1164008116
Registry record updated Jul 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
C1-0026871 Issued in DE
Practice address
4755 Ogletown Stanton Rd
Newark, DE 19718-2200
Phone
(302) 733-1000
NPI assigned
Mar 21, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 7, 2026

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 C1-0026871 DE Primary

Addresses

Primary practice location

4755 Ogletown Stanton Rd
Newark, DE 19718-2200

Mailing address

4755 Ogletown Stanton Rd
Newark, DE 19718-2200

Other practice location 1

501 W 14th St
Wilmington, DE 19801-1013
Phone (302) 320-4410

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
I20251028003303 DE Practitioner - Emergency Medicine 7113328360 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Rochester School of Medicine and Dentistry, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Christiana Care Health Services IncGroup PAC ID 9739097569, 1,480 clinicians
Christiana Care Emergency Physicians LLCGroup PAC ID 8022468057, 70 clinicians

Practice addresses (Care Compare)

4755 Ogletown Stanton Rd
Newark, DE 19718-2200
Phone (302) 838-3088

621 Middletown Odessa Rd
Middletown, DE 19709-9602
Phone (302) 203-1300

Hospital & facility affiliations

  • Christiana Care Health System Dialysis facility, Newark, DE, CCN 082300
  • Christiana Hospital Hospital, Newark, DE, CCN 080001
  • Union Hospital of Cecil County Hospital, Elkton, MD, CCN 210032

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C1-0026871DEMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Christiana Care Emergency Physicians LLC Emergency Medicine CurrentSince Aug 16, 2025 Accepting new patients
Christiana Care Health Services Inc CurrentSince Oct 12, 2025 Accepting new patients
Christiana Care Health Services Inc Emergency Medicine CurrentSince Oct 12, 2025 Accepting new patients

Locations

621 Middletown Odessa Rd
Middletown, DE 19709
Phone (302) 203-1300

4755 Ogletown Stanton Rd
Newark, DE 19718
Phone (302) 733-1700

501 W 14th St
Wilmington, DE 19801
Phone (302) 320-4411

106 Bow St
Elkton, MD 21921
Phone (410) 298-2000

Interoperability endpoints

  • Direct secure messaging: jdillen183336@direct.cooperhealth.edu

Organizations & group practices 4

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

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": "1616284800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1164008116",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN STANTON RD",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197182200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN STANTON RD",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197182200",
            "telephone_number": "302-733-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "501 W 14th St",
            "address_purpose": "LOCATION",
            "city": "Wilmington",
            "state": "DE",
            "postal_code": "198011013",
            "country_code": "US",
            "telephone_number": "302-320-4410",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DILLEN",
        "first_name": "JONATHAN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-21",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "DE",
            "license": "C1-0026871",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newark, DE

Sources for this page

Verify at the official NPI Registry.