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CASSANDRA LYNN GRIMES NP
NPI 1235530064
Nurse Practitioner - Family in Lansing, MI

Active since September 11, 2014PECOS Enrolled
3220 DISCOVERY DR STE 210, LANSING, MI 48910(517) 484-0004(616) 267-2201 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 26, 2025, Jul 21, 2022, Mar 9, 2022 and 1 more (4 updates tracked since 2017).

About Cassandra Lynn Grimes Np NPPES

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

CASSANDRA LYNN GRIMES NP (NPI 1235530064) is an individual family provider in Lansing, Michigan, licensed in Michigan (4704226428) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235530064
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCASSANDRA LYNN GRIMESCredential: NP
Location Address3220 DISCOVERY DR STE 210Lansing, MI 48910-8609
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Phone(517) 484-0004
Fax(616) 267-2201
Sole ProprietorNo
Enumeration DateSeptember 11, 2014
Last NPPES UpdateJune 26, 20254 updates tracked since enumeration
NPPES CertifiedJune 26, 2025
✔ NPI 1235530064 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MI · 4704226428
3220 DISCOVERY DR STE 210, Lansing, MI 48910
Open in Google Maps ↗

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, Priority Health.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 Lynn Grimes Np 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 Grimes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Msu Health Care Inc.
0.2 mi
Hematology & Oncology
9520 FOREST RD
Lansing, MI 48910
  • Reassigned Medicare billing, Michigan enrollment
  • 365 clinicians in this Medicare group
NPI 1760014633 (517) 975-9500
Spectrum Health Primary Care Partners
56 mi
Radiology
4100 LAKE DR SE, SUITE 102
Grand Rapids, MI 49546
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
NPI 1528374683 (616) 974-4800

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 48910 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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RYAN GREGORY THOMAS M.D.
Pediatrics (Pediatric Pulmonology)
3220 DISCOVERY DR STE 210
LANSING, MI 48910
Ingham County (517) 484-0004

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 Grimes's NPI number?

The NPI number for Cassandra Grimes is 1235530064. It was assigned to this individual provider in the NPPES registry on September 11, 2014.

Where is Cassandra Grimes located?

Cassandra Grimes practices at 3220 Discovery Dr Ste 210, Lansing, MI 48910. The listed phone number is (517) 484-0004.

What is Cassandra Grimes's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Cassandra Grimes enrolled in Medicare?

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

Which organizations bill Medicare for Cassandra Grimes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Grimes reassigns Medicare benefits to 2 organizations: Msu Health Care Inc. (Lansing, MI) and Spectrum Health Primary Care Partners (Grand Rapids, MI). 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 Grimes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cassandra Grimes accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Cassandra Grimes 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 Grimes was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.