DR. MARK EDWARD KOSCIUSZKO OD
NPI 1841289774
Optometrist in Hillsdale, MI
About Dr. Mark Edward Kosciuszko Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK EDWARD KOSCIUSZKO OD (NPI 1841289774) is an individual optometrist in Hillsdale, Michigan, licensed in Michigan (4901002884) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Ferris State College - College Of Optometry (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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. Mark Edward Kosciuszko Od 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
2Medicare enrollment records show Mark Kosciuszko reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hillsdale, MI 49242
- Reassigned Medicare billing, Michigan enrollment
- 4 clinicians in this Medicare group
Grand Rapids, MI 49525
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Blue Sky Vision Eye Care PC
- 60 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mark Kosciuszko's NPI number?
The NPI number for Mark Kosciuszko is 1841289774. It was assigned to this individual provider in the NPPES registry on October 13, 2005.
Where is Mark Kosciuszko located?
Mark Kosciuszko practices at 50 W Carleton Rd, Hillsdale, MI 49242. The listed phone number is (517) 439-2020.
What is Mark Kosciuszko's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Mark Kosciuszko enrolled in Medicare?
Yes. Mark Kosciuszko 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 Mark Kosciuszko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Kosciuszko reassigns Medicare benefits to 2 organizations: Gossage Eye Institute, Plc (Hillsdale, MI) and Blue Sky Vision Eye Care, P.C (Grand Rapids, MI). 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 Mark Kosciuszko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Kosciuszko accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Montana and 12 other insurers list Mark Kosciuszko 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 Mark Kosciuszko was last updated on April 8, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Mark Edward Kosciuszko, OD · NPI 1841289774
Optometrist provider in Hillsdale, Michigan. Individual provider, active in the CMS NPPES registry since October 13, 2005.
## Identity
- **NPI:** 1841289774 (Entity type: Individual)
- **Enumerated:** October 13, 2005
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 4901002884 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 50 W CARLETON RD, Hillsdale, MI 49242-1202
- **Phone:** (517) 439-2020 · **Fax:** (517) 437-5577
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Gossage Eye Institute, Plc (NPI 1285854000, Hillsdale, MI); Blue Sky Vision Eye Care, P.C (NPI 1801977202, Grand Rapids, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ferris State College - College Of Optometry, class of 1982
## Record status
- **NPPES last updated:** April 8, 2015
- **Other identifiers:** Other 900A210280 (MI); Other 4414910001 (MI); Medicare UPIN U29910 (MI); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1841289774) · Data from the CMS NPPES public registry.