KAREN LENANE OSTROWSKI NP
NPI 1083984728
Nurse Practitioner - Acute Care in Huntington Woods, MI
About Karen Lenane Ostrowski Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN LENANE OSTROWSKI NP (NPI 1083984728) is an individual acute care provider in Huntington Woods, Michigan, licensed in Michigan (4704225882) and active in the NPI registry since January 2012. She is enrolled in Medicare PECOS, is affiliated with Henry Ford Health Hospital, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Accepted 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 Lenane Ostrowski Np 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.
Medicare Billing Reassignment
Medicare enrollment records show Karen Ostrowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Detroit, MI 48202
- Reassigned Medicare billing, Michigan enrollment
- 577 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Henry Ford Health Hospital
Acute Care Hospitals · Detroit, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48070 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Ostrowski's NPI number?
The NPI number for Karen Ostrowski is 1083984728. It was assigned to this individual provider in the NPPES registry on January 11, 2012.
Where is Karen Ostrowski located?
Karen Ostrowski practices at 25890 Concord Rd, Huntington Woods, MI 48070. The listed phone number is (248) 543-1105.
What is Karen Ostrowski's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Karen Ostrowski enrolled in Medicare?
Yes. Karen Ostrowski 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 Ostrowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Ostrowski reassigns Medicare benefits to Henry Ford Health System (Detroit, 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 Ostrowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Ostrowski 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 Ostrowski 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.
Is Karen Ostrowski affiliated with any hospitals?
According to CMS data, Karen Ostrowski is affiliated with Henry Ford Health Hospital.
When was this NPI record last updated?
The NPPES record for Karen Ostrowski was last updated on December 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Karen Lenane Ostrowski, NP · NPI 1083984728
Acute Care physician in Huntington Woods, Michigan. Individual provider, active in the CMS NPPES registry since January 11, 2012.
## Identity
- **NPI:** 1083984728 (Entity type: Individual)
- **Enumerated:** January 11, 2012
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 4704225882 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 25890 CONCORD RD, Huntington Woods, MI 48070-1637
- **Phone:** (248) 543-1105 · **Fax:** (248) 543-5049
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Henry Ford Health System (NPI 1104900455, Detroit, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** December 20, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1083984728) · Data from the CMS NPPES public registry.