KARLA OSTASZEWSKI FNP
NPI 1972162337
Nurse Practitioner - Family in Macomb, MI
About Karla Ostaszewski Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARLA OSTASZEWSKI FNP (NPI 1972162337) is an individual family provider in Macomb, Michigan, licensed in Michigan (4704230199) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karla Ostaszewski Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karla Ostaszewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chesterfield, MI 48047
- Reassigned Medicare billing, Michigan enrollment
- 6 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48044 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 Karla Ostaszewski's NPI number?
The NPI number for Karla Ostaszewski is 1972162337. It was assigned to this individual provider in the NPPES registry on June 10, 2019.
Where is Karla Ostaszewski located?
Karla Ostaszewski practices at 48153 Virginia Dr, Macomb, MI 48044. The listed phone number is (586) 243-4181.
What is Karla Ostaszewski's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Karla Ostaszewski enrolled in Medicare?
Yes. Karla Ostaszewski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karla Ostaszewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karla Ostaszewski reassigns Medicare benefits to Kenwood Allergy & Asthma Center, P.C. (Chesterfield, 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 Karla Ostaszewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karla Ostaszewski was last updated on June 10, 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.