Individual provider Active NPI

Ursula Guillen, M.D.

  • Neonatal-Perinatal Medicine Physician
  • Newark, DE
National Provider Identifier
1154521383
Registry record updated Jul 22, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
License
C1-0009443 Issued in DE
Practice address
4745 Ogletown Stanton Rd Ste 217
Newark, DE 19713-2074
Phone
(302) 733-2374
Fax
(302) 733-2602
NPI assigned
Jul 25, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 22, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal-Perinatal Medicine Physician 2080N0001X C1-0009443 DE Primary

Addresses

Primary practice location

4745 Ogletown Stanton Rd Ste 217
Newark, DE 19713-2074

Mailing address

4745 Ogletown Stanton Rd Ste 217
Newark, DE 19713-2074
Phone (302) 733-2374

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
I20250416003530 DE Practitioner - Pediatric Medicine 3476078940 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C1-0009443DEMDNeonatal-Perinatal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Bayhealth Medical Center, Inc. Current Accepting new patients
Bayhealth Medical Center, Inc CurrentSince Apr 1, 2025 Accepting new patients
Bayhealth Medical Center, Inc CurrentSince Apr 1, 2025 Accepting new patients
Bayhealth Medical Center, Inc. Current Accepting new patients
Bayhealth Medical Center, Inc CurrentSince Apr 1, 2025 Accepting new patients
Christiana Care Health Services, Inc. Past Accepting new patients

Locations

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

100 Wellness Way
Milford, DE 19963
Phone (302) 422-3311

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1185321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1279756800000",
    "number": "1154521383",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4745 OGLETOWN STANTON RD STE 217",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197132074",
            "telephone_number": "302-733-2374",
            "fax_number": "302-733-2602"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4745 OGLETOWN STANTON RD STE 217",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197132074",
            "telephone_number": "302-733-2374",
            "fax_number": "302-733-2602"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUILLEN",
        "first_name": "URSULA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-07-25",
        "last_updated": "2010-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "DE",
            "license": "C1-0009443",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newark, DE

Sources for this page

Verify at the official NPI Registry.