MARK RUMANCIK MD
NPI 1467454470
Internal Medicine - Nephrology in Fort Wayne, IN
About Mark Rumancik Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK RUMANCIK MD (NPI 1467454470) is an individual nephrology provider in Fort Wayne, Indiana, licensed in Indiana (01041312A) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Lutheran Hospital Of Indiana, and maintains a secondary practice location in Hicksville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 and accepts Medicare assignment
Mark Rumancik Md 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 Reassignment
Medicare enrollment records show Mark Rumancik reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fort Wayne, IN 46845
- Reassigned Medicare billing, Indiana and Ohio enrollments
- 69 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 15
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.
Lutheran Hospital Of Indiana
Acute Care Hospitals · Fort Wayne, INParkview Regional Medical Center
Acute Care Hospitals · Fort Wayne, INIndiana University Health Ball Memorial Hospital
Acute Care Hospitals · Muncie, INIndiana University Health Jay, Inc.
Critical Access Hospitals · Portland, INAdams Memorial Hospital
Critical Access Hospitals · Decatur, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46845 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.
FORT WAYNE, IN 46845
FORT WAYNE, IN 46845
FORT WAYNE, IN 46845
FORT WAYNE, IN 46845
FORT WAYNE, IN 46845
FORT WAYNE, IN 46845
FORT WAYNE, IN 46845
FORT WAYNE, IN 46845
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 Rumancik's NPI number?
The NPI number for Mark Rumancik is 1467454470. It was assigned to this individual provider in the NPPES registry on August 10, 2005.
Where is Mark Rumancik located?
Mark Rumancik practices at 11104 Parkview Circle Dr Entrance 11, Suite 330, Fort Wayne, IN 46845. The listed phone number is (260) 494-3484.
What is Mark Rumancik's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Mark Rumancik enrolled in Medicare?
Yes. Mark Rumancik 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 organization bills Medicare for Mark Rumancik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Rumancik reassigns Medicare benefits to Nephrology Associates Of Northern Indiana, Inc (Fort Wayne, IN). 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 Mark Rumancik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Rumancik accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Mark Rumancik 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 Mark Rumancik affiliated with any hospitals?
According to CMS data, Mark Rumancik is affiliated with Lutheran Hospital Of Indiana, Parkview Regional Medical Center, Indiana University Health Ball Memorial Hospital, Indiana University Health Jay, Inc. and Adams Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Mark Rumancik was last updated on April 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Mark Rumancik, MD · NPI 1467454470
Nephrology physician in Fort Wayne, Indiana. Individual provider, active in the CMS NPPES registry since August 10, 2005.
## Identity
- **NPI:** 1467454470 (Entity type: Individual)
- **Enumerated:** August 10, 2005
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 01041312A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 11104 PARKVIEW CIRCLE DR, ENTRANCE 11, SUITE 330, Fort Wayne, IN 46845-1730
- **Phone:** (260) 494-3484
## 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:** Nephrology Associates Of Northern Indiana, Inc (NPI 1578505814, Fort Wayne, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 1988
## Record status
- **NPPES last updated:** April 28, 2025
- **Other identifiers:** Other 000000095601 (IN); Medicaid 100360480 (IN); Medicaid 0929151 (OH); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1467454470) · Data from the CMS NPPES public registry.