DR. STEPHEN JOHN LOJEWSKI JR. D.O.
NPI 1841585312
Emergency Medicine - Emergency Medical Services in Farmington Hills, MI
About Dr. Stephen John Lojewski Jr. D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN JOHN LOJEWSKI JR. D.O. (NPI 1841585312) is an individual emergency medical services provider in Farmington Hills, Michigan, licensed in Michigan (L2007248) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Promedica Monroe Regional Hospital, and is a graduate of Nova Southeastern College Of Osteo Medicine (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
Dr. Stephen John Lojewski Jr. D.o. 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
9Medicare enrollment records show Stephen Lojewski reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toledo, OH 43606
- Reassigned Medicare billing, Michigan and Ohio enrollments
- 95 clinicians in this Medicare group
Toledo, OH 43606
- Reassigned Medicare billing, Ohio enrollment
- 124 clinicians in this Medicare group
Willoughby, OH 44094
- Reassigned Medicare billing, Ohio enrollment
- 89 clinicians in this Medicare group
Akron, OH 44304
- Reassigned Medicare billing, Ohio enrollment
- 134 clinicians in this Medicare group
Cedar Park, TX 78613
- Reassigned Medicare billing, Texas enrollment
- 828 clinicians in this Medicare group
Austin, TX 78705
- Reassigned Medicare billing, Texas enrollment
- 1,511 clinicians in this Medicare group
San Antonio, TX 78249
- Reassigned Medicare billing, Texas enrollment
- 379 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 163 clinicians in this Medicare group
Sonoma, CA 95476
- Reassigned Medicare billing, California enrollment
- 112 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Promedica Monroe Regional Hospital
Acute Care Hospitals · Monroe, MISumma Health System
Acute Care Hospitals · Akron, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48336 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FARMINGTON HILLS, MI 48336
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 Stephen Lojewski's NPI number?
The NPI number for Stephen Lojewski is 1841585312. It was assigned to this individual provider in the NPPES registry on June 13, 2011.
Where is Stephen Lojewski located?
Stephen Lojewski practices at 28050 Grand River Ave, Farmington Hills, MI 48336. The listed phone number is (248) 471-8822.
What is Stephen Lojewski's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Stephen Lojewski enrolled in Medicare?
Yes. Stephen Lojewski 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 Stephen Lojewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Lojewski reassigns Medicare benefits to 9 organizations: Emergency Physicians Of Northwest Ohio Inc. (Toledo, OH), Observation Physicians Of Northwest Ohio LLC (Toledo, OH), Emergency Medicine Physicians Of Lake County Ltd (Willoughby, OH), Emergency Medicine Physicians Of Cuyahoga County, Ltd (Akron, OH), Usacs Integrated Acute Care Services Of Texas, PLLC (Cedar Park, TX) and 4 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 Stephen Lojewski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Lojewski accept?
Health plans from Blue Care Network of Michigan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc. and Sendero Health Plans, Local Nonprofit list Stephen Lojewski 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 Stephen Lojewski affiliated with any hospitals?
According to CMS data, Stephen Lojewski is affiliated with Promedica Monroe Regional Hospital and Summa Health System.
When was this NPI record last updated?
The NPPES record for Stephen Lojewski was last updated on June 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Stephen John Lojewski Jr., D.O. · NPI 1841585312
Emergency Medical Services physician in Farmington Hills, Michigan. Individual provider, active in the CMS NPPES registry since June 13, 2011.
## Identity
- **NPI:** 1841585312 (Entity type: Individual)
- **Enumerated:** June 13, 2011
- **Primary specialty:** Emergency Medicine - Emergency Medical Services · taxonomy 207PE0004X
- **State license:** L2007248 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 28050 GRAND RIVER AVE, Farmington Hills, MI 48336-5919
- **Phone:** (248) 471-8822
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Emergency Physicians Of Northwest Ohio Inc. (NPI 1043274418, Toledo, OH); Observation Physicians Of Northwest Ohio LLC (NPI 1700462967, Toledo, OH); Emergency Medicine Physicians Of Lake County Ltd (NPI 1154763944, Willoughby, OH); Emergency Medicine Physicians Of Cuyahoga County, Ltd (NPI 1265471148, Akron, OH); Usacs Integrated Acute Care Services Of Texas, PLLC (NPI 1801300322, Cedar Park, TX); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Nova Southeastern College Of Osteo Medicine, class of 2011
## Record status
- **NPPES last updated:** June 13, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1841585312) · Data from the CMS NPPES public registry.