DR. JOANNA OLEWICZ M.D.
NPI 1790954097
Internal Medicine - Critical Care Medicine in Kalamazoo, MI
About Dr. Joanna Olewicz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOANNA OLEWICZ M.D. (NPI 1790954097) is an individual critical care medicine provider in Kalamazoo, Michigan, licensed in Michigan (4301090769) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital Of South Bend, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Dr. Joanna Olewicz M.d. 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 Reassignments
11Medicare enrollment records show Joanna Olewicz reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Ascension Medical Group Promed
- 465 clinicians in this Medicare group
Byron Center, MI 49315
- Reassigned Medicare billing, Michigan enrollment
- 737 clinicians in this Medicare group
Lagrange, IN 46761
- Reassigned Medicare billing, Indiana enrollment
- 93 clinicians in this Medicare group
Niles, MI 49120
- Reassigned Medicare billing, Michigan enrollment
- 724 clinicians in this Medicare group
Ionia, MI 48846
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
Goshen, IN 46526
- Reassigned Medicare billing, Indiana enrollment
- 172 clinicians in this Medicare group
Fort Wayne, IN 46805
- Reassigned Medicare billing, Indiana enrollment
- 162 clinicians in this Medicare group
Dearborn, MI 48124
- Reassigned Medicare billing, Michigan enrollment
- 18 clinicians in this Medicare group
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 946 clinicians in this Medicare group
Escanaba, MI 49829
- Reassigned Medicare billing, Michigan enrollment
- 440 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital Of South Bend
Acute Care Hospitals · South Bend, INCameron Memorial Community Hospital Inc
Critical Access Hospitals · Angola, INThree Rivers Health
Acute Care Hospitals · Three Rivers, MIBeaumont Hospital - Grosse Pointe
Acute Care Hospitals · Grosse Pointe, MIBorgess Medical Center
Acute Care Hospitals · Kalamazoo, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49048 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 Joanna Olewicz's NPI number?
The NPI number for Joanna Olewicz is 1790954097. It was assigned to this individual provider in the NPPES registry on February 21, 2008.
Where is Joanna Olewicz located?
Joanna Olewicz practices at 1521 Gull Rd Dept Of, Kalamazoo, MI 49048. The listed phone number is (269) 552-2970.
What is Joanna Olewicz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Joanna Olewicz enrolled in Medicare?
Yes. Joanna Olewicz 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 organizations bill Medicare for Joanna Olewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanna Olewicz reassigns Medicare benefits to 11 organizations: Beacon Medical Group Michigan Inc (Kalamazoo, MI), Advantage Health Saint Mary's Medical Group (Byron Center, MI), Community Hospital Of Lagrange County Inc (Lagrange, IN), Lakeland Medical Practices (Niles, MI), Edward W Sparrow Hospital Association (Ionia, MI) and 6 more organizations, listed in the Medicare section above. 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 Joanna Olewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joanna Olewicz accept?
Health plans from CareSource and Priority Health list Joanna Olewicz 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 Joanna Olewicz affiliated with any hospitals?
According to CMS data, Joanna Olewicz is affiliated with Memorial Hospital Of South Bend, Cameron Memorial Community Hospital Inc, Three Rivers Health, Beaumont Hospital - Grosse Pointe and Borgess Medical Center.
When was this NPI record last updated?
The NPPES record for Joanna Olewicz was last updated on July 12, 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.