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KAREN GEORGIANNA O'STRANDER LMSW
NPI 1194158782
Social Worker - Clinical in Grand Rapids, MI

Active since August 19, 2013PECOS EnrolledAccepts Medicare Assignment
385 LEONARD ST NE, GRAND RAPIDS, MI 49503(616) 226-2868(616) 458-8039 Get Directions Write a Review

NPPES record last updated: June 20, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 20, 2019, Apr 17, 2018 (2 updates tracked since 2018).

About Karen Georgianna O'strander Lmsw NPPES

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

KAREN GEORGIANNA O'STRANDER LMSW (NPI 1194158782) is an individual clinical provider in Grand Rapids, Michigan, licensed in Michigan (6801104880) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1194158782
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKAREN GEORGIANNA O'STRANDERCredential: LMSW
Location Address385 LEONARD ST NEGrand Rapids, MI 49503-1129
Mailing Address385 Leonard St NeGrand Rapids, MI 49503-1129 · (616) 454-4777
Phone(616) 226-2868
Fax(616) 458-8039
Sole ProprietorYes
Medical School CMSOtherGraduated 2017
Enumeration DateAugust 19, 2013
Last NPPES UpdateJune 20, 20192 updates tracked since enumeration
✔ NPI 1194158782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MI · 6801104880
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedSocial WorkerTaxonomy 104100000X · License 6802087659 (MI)
385 LEONARD ST NE, Grand Rapids, MI 49503
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health 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 and accepts Medicare assignment

Karen Georgianna O'strander Lmsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577899293
PECOS Enrollment IDI20190801001784
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 Reassignment

Medicare enrollment records show Karen O'strander reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pine Rest Christian Mental Health Services
10 mi
Social Worker
300 68TH ST SE
Grand Rapids, MI 49548
  • Reassigned Medicare billing, Michigan enrollment
  • 261 clinicians in this Medicare group
NPI 1922019157 (616) 455-5000

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 49503 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
$0.00 typical visit price
range $54.34 – $166.68
Typical copayment $0.00 (range $13.58 – $41.67)
Most-billed visit code NA
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
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.

JACQUELINE BEASLEY
Social Worker (Clinical)
385 LEONARD ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 389-2693
BRUCINA LIAWATHA MAYFIELD
Case Manager/Care Coordinator
385 LEONARD ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 454-4777
MISS TAMIE MARIE WIND
Registered Nurse (Psychiatric/Mental Health, Adult)
385 LEONARD ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 454-4777
LISA GODWIN
Case Manager/Care Coordinator
385 LEONARD ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 200-4427
YORDANOS TESFAHANES
Case Manager/Care Coordinator
385 LEONARD ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 454-4777
ELBA VANKUIKEN
Social Worker
385 LEONARD ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 454-4777
HOPE NETWORK BEHAVIORAL HEALTH SERVICES
Psychiatric Residential Treatment Facility
385 LEONARD ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 454-4777
MRS. MALLORY MAE BOUWMAN LMSW
Social Worker (Clinical)
385 LEONARD ST NE
GRAND RAPIDS, MI 49503
Kent County (616) 389-2723

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 Karen O'strander's NPI number?

The NPI number for Karen O'strander is 1194158782. It was assigned to this individual provider in the NPPES registry on August 19, 2013.

Where is Karen O'strander located?

Karen O'strander practices at 385 Leonard St NE, Grand Rapids, MI 49503. The listed phone number is (616) 226-2868.

What is Karen O'strander's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Karen O'strander enrolled in Medicare?

Yes. Karen O'strander is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Karen O'strander's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen O'strander reassigns Medicare benefits to Pine Rest Christian Mental Health Services (Grand Rapids, MI). The 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 Karen O'strander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen O'strander accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Karen O'strander 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 Karen O'strander was last updated on June 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.