CASSIE M ELLUL NP
NPI 1790437598
Nurse Practitioner in Ann Arbor, MI

Q: What is Cassie Ellul's NPI number?

The NPI number for Cassie Ellul is 1790437598. It was assigned to this individual provider in the NPPES registry on January 23, 2022.

Q: What is Cassie Ellul's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Cassie Ellul was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.

Active since January 23, 2022PECOS Enrolled

1500 E MEDICAL CENTER DR, ANN ARBOR, MI 48109(734) 936-5000 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 6, 2026, Jan 23, 2022 (2 updates tracked since 2022).

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About Cassie M Ellul Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CASSIE M ELLUL NP (NPI 1790437598) is an individual nurse practitioner in Ann Arbor, Michigan, licensed in Michigan (4704329365) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Garden City, and is a graduate of University Of Michigan Medical School (2022).

NPPES Registry Identity

NPI1790437598

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCASSIE M ELLULCredential: NP

Location Address1500 E MEDICAL CENTER DRAnn Arbor, MI 48109-5000

Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 936-4000

Phone(734) 936-5000

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2022

Enumeration DateJanuary 23, 2022

Last NPPES UpdateJanuary 6, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 6, 2026

✔ NPI 1790437598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in MI · 4704329365

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedRegistered NurseTaxonomy 163W00000X · License 4704329365 (MI)

1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109

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Secondary Practice Location 1

Location 1414 Lathers StGarden City, MI 48135-3117 · Phone (734) 664-5276

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cassie M Ellul Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759868151

PECOS Enrollment IDI20260115003689

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.76 typical visit price

range $58.04 – $177.36

Typical copayment $22.69 (range $14.51 – $44.34)

Most-billed visit code 99203

Established Patient

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

LOKMAN SUNG MD

Pathology (Forensic Pathology)

1500 E MEDICAL CENTER DR, 2ND FLOOR UNIVERSITY HOSPITAL RECP PATHOLOGY
ANN ARBOR, MI 48109

Washtenaw County (800) 862-7284

SAMEER DEV SAINI M.D.

Internal Medicine (Gastroenterology)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

KYLE DAVID PERRY MD

Pathology (Cytopathology)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

DR. DAVID ALEXANDER STEWART M.D.

Pediatrics

1500 E MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL ROOM 525
ANN ARBOR, MI 48109

Washtenaw County (734) 763-5302

DR. MICHAEL EDMUND WATSON MD

Pediatrics (Pediatric Infectious Diseases)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

CARRIE KRAEGER PORTER PA-C

Physician Assistant

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-6666

DENISE LYNN BERRY CRNA

Nurse Anesthetist, Certified Registered

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

KETTI SOPHIA PETERSEN MD

Family Medicine (Hospice and Palliative Medicine)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

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 Cassie Ellul's NPI number?

The NPI number for Cassie Ellul is 1790437598. It was assigned to this individual provider in the NPPES registry on January 23, 2022.

Where is Cassie Ellul located?

Cassie Ellul practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-5000.

What is Cassie Ellul's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Cassie Ellul enrolled in Medicare?

Yes. Cassie Ellul is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Cassie Ellul was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.