Individual provider Active NPI

Cassie M Ellul, NP

  • Nurse Practitioner
  • Ann Arbor, MI
National Provider Identifier
1790437598
Registry record updated Jan 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
4704329365 Issued in MI
Practice address
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone
(734) 936-5000
NPI assigned
Jan 23, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 6, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 4704329365 MI
Nurse Practitioner 363L00000X 4704329365 MI Primary

Addresses

Primary practice location

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000

Mailing address

3621 S State St
Ann Arbor, MI 48108-1633
Phone (734) 936-4000

Other practice location 1

414 Lathers St
Garden City, MI 48135-3117
Phone (734) 664-5276

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address cditmore@med.umich.edu

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260115003689 MI Practitioner - Nurse Practitioner 1759868151 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
University of Michigan Medical School, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

3621 S State St
Ann Arbor, MI 48108-1633

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
4704329365MIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of Michigan Nurse Practitioner CurrentSince Jan 13, 2026 Accepting new patients
Regents of the University of Michigan CurrentSince Jan 13, 2026 Accepting new patients
Regents of the University of Michigan Past Accepting new patients

Locations

1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280

3621 S State St
Ann Arbor, MI 48108
Phone (734) 647-5229

Organizations & group practices 3

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": "1642896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767657600000",
    "number": "1790437598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3621 S STATE ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081633",
            "telephone_number": "734-936-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "414 Lathers St",
            "address_purpose": "LOCATION",
            "city": "Garden City",
            "state": "MI",
            "postal_code": "481353117",
            "country_code": "US",
            "telephone_number": "734-664-5276",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ELLUL",
        "first_name": "CASSIE",
        "middle_name": "M",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-01-23",
        "last_updated": "2026-01-06",
        "certification_date": "2026-01-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MI",
            "license": "4704329365",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MI",
            "license": "4704329365",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cditmore@med.umich.edu",
            "affiliation": "N",
            "address_1": "414 Lathers St",
            "city": "Garden City",
            "state": "MI",
            "country_code": "US",
            "postal_code": "481353117",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

Verify at the official NPI Registry.