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CASSANDRA DOWKER
NPI 1043068091
Nurse Practitioner in Grand Ledge, MI

Active since May 06, 2024PECOS Enrolled
6843 MULBERRY LN, GRAND LEDGE, MI 48837(517) 455-5635 Get Directions Write a Review

NPPES record last updated: May 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Cassandra Dowker NPPES

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

CASSANDRA DOWKER (NPI 1043068091) is an individual nurse practitioner in Grand Ledge, Michigan, licensed in Michigan (4704308041) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043068091
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameCASSANDRA DOWKER
Location Address6843 MULBERRY LNGrand Ledge, MI 48837-8750
Mailing Address6843 Mulberry LnGrand Ledge, MI 48837-8750 · (517) 455-5635
Phone(517) 455-5635
Sole ProprietorYes
Enumeration DateMay 6, 2024
NPPES CertifiedMay 6, 2024
✔ NPI 1043068091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MI · 4704308041
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.
6843 MULBERRY LN, Grand Ledge, MI 48837
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cassandra Dowker is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Cassandra Dowker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Recovery Physicians Network Of Michigan
74 mi
Addiction (Substance Use Disorder)
1525 UNIVERSITY DR
Auburn Hills, MI 48326
  • Reassigned Medicare billing, Michigan enrollment
  • 63 clinicians in this Medicare group
NPI 1689343683 (248) 326-9200
Signify Health Medical Associates, PLLC
946 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Michigan enrollment
  • 666 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48837 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

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 Cassandra Dowker's NPI number?

The NPI number for Cassandra Dowker is 1043068091. It was assigned to this individual provider in the NPPES registry on May 6, 2024.

Where is Cassandra Dowker located?

Cassandra Dowker practices at 6843 Mulberry Ln, Grand Ledge, MI 48837. The listed phone number is (517) 455-5635.

What is Cassandra Dowker's specialty?

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

Is Cassandra Dowker enrolled in Medicare?

Yes. Cassandra Dowker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Cassandra Dowker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Dowker reassigns Medicare benefits to 2 organizations: Recovery Physicians Network Of Michigan (Auburn Hills, MI) and Signify Health Medical Associates, PLLC (Dallas, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Cassandra Dowker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cassandra Dowker accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company, Priority Health and UnitedHealthcare list Cassandra Dowker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Cassandra Dowker was last updated on May 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.