OREST JOHN SOWIRKA DO, CMD
NPI 1396720561
Internal Medicine in Sterling Heights, MI
About Orest John Sowirka Do, Cmd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OREST JOHN SOWIRKA DO, CMD (NPI 1396720561) is an individual internal medicine provider in Sterling Heights, Michigan, licensed in Michigan (5101012355) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Orest John Sowirka Do, Cmd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Orest Sowirka reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Troy, MI 48084
- Reassigned Medicare billing, Michigan enrollment
- 79 clinicians in this Medicare group
Troy, MI 48084
- Reassigned Medicare billing, Michigan enrollment
- 279 clinicians in this Medicare group
Bingham Farms, MI 48025
- Reassigned Medicare billing, Michigan enrollment
- 32 clinicians in this Medicare group
Miami Gardens, FL 33169
- Reassigned Medicare billing, Michigan enrollment
- 38 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48312 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 Orest Sowirka's NPI number?
The NPI number for Orest Sowirka is 1396720561. It was assigned to this individual provider in the NPPES registry on December 10, 2005.
Where is Orest Sowirka located?
Orest Sowirka practices at 11120 Lorman Dr, Sterling Heights, MI 48312. The listed phone number is (586) 945-9003.
What is Orest Sowirka's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Orest Sowirka enrolled in Medicare?
Yes. Orest Sowirka is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Orest Sowirka's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Orest Sowirka reassigns Medicare benefits to 4 organizations: Iah Of Michigan, PLLC (Troy, MI), Vpa PC (Troy, MI), Ltc Physician Care PC (Bingham Farms, MI) and Dedicated Physicians Group Of Michigan, PLLC (Miami Gardens, FL). 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 Orest Sowirka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Orest Sowirka accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list Orest Sowirka 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 Orest Sowirka was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Orest John Sowirka, DO, CMD · NPI 1396720561
Internal Medicine physician in Sterling Heights, Michigan. Individual provider, active in the CMS NPPES registry since December 10, 2005.
## Identity
- **NPI:** 1396720561 (Entity type: Individual)
- **Enumerated:** December 10, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 5101012355 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 11120 LORMAN DR, Sterling Heights, MI 48312-4964
- **Phone:** (586) 945-9003
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Iah Of Michigan, PLLC (NPI 1578969705, Troy, MI); Vpa PC (NPI 1336153295, Troy, MI); Ltc Physician Care PC (NPI 1841991817, Bingham Farms, MI); Dedicated Physicians Group Of Michigan, PLLC (NPI 1992392393, Miami Gardens, FL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2025
- **Other identifiers:** Other 1155004034 (MI); Other 020190 (MI); Other 7611384 (MI); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1396720561) · Data from the CMS NPPES public registry.