Active NPI
Mark Rumancik, MD
- Nephrology Physician
- Fort Wayne, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- 01041312A
- Practice address
- 11104 Parkview Circle Dr
Entrance 11, Suite 330
Fort Wayne, IN 46845-1730 - Phone
- (260) 494-3484
- NPI assigned
- Aug 10, 2005
- Last updated
- Apr 28, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | 01041312A | IN | Primary |
Addresses
Primary practice location
11104 Parkview Circle Dr
Entrance 11, Suite 330
Fort Wayne, IN 46845-1730
Mailing address
120 W 22ND St Ste 200
Oak Brook, IL 60523-1563
Phone (630) 575-5000
Other practice location 1
208 Columbus St
Hicksville, OH 43526-1250
Phone (260) 494-3484
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 000000095601 | Other | IN | BCBS |
| 100082060 | Other | IN | MEDICAID GROUP NUMBER |
| 0929151 | Medicaid | OH | |
| 100360480 | Medicaid | IN |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | credentialing@nephdocs.com | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OH, IN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nephrology
- Education
- Ohio State University College of Medicine, 1988
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
11104 Parkview Circle Dr
Suite 330
Fort Wayne, IN 46845-1674
Phone (260) 494-3484
1250 S Washington
Van Wert, OH 45891-2551
Phone (800) 686-3963
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 01041312A | IN | MD | Nephrology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Nephrology Associates of Northern Indiana, Inc | Nephrology | Current | Accepting new patients |
| Lima Memorial Joint Operating Company | Past | Accepting new patients |
Locations
120 W 22nd St
Ste 200
Oak Brook, IL 60523
Phone (630) 575-5000
855 Madison St
Oak Park, IL 60302
Phone (708) 386-1000
11104 Parkview Circle Dr
Ste 330
Fort Wayne, IN 46845
Phone (888) 543-6397
569 Tyler St
Gary, IN 46402
Phone (260) 885-3300
90 W 86th Ave
Merrillville, IN 46410
Phone (219) 791-1555
208 Columbus St
Hicksville, OH 43526
Phone (419) 542-6692
1250 S Washington St
Van Wert, OH 45891
Phone (419) 232-2077
140 Fox Rd
Ste 405
Van Wert, OH 45891
Phone (419) 238-9333
Interoperability endpoints
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
- mrumancik@direct.iuhealth.org
- mrumancik42468@direct.acumenmd.com
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Nephrology Physician
- Fort Wayne, IN
- NPI 1578505814
OH
-
dba Lima Memorial Health System
- General Acute Care Hospital
- Lima, OH
- NPI 1336144732
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Fort Wayne South Dialysis
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- Fort Wayne, IN
- NPI 1003119876
Dialysis facility
-
dba Fresenius Medical Care Canal Dialysis
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- New Haven, IN
- NPI 1144335993
Dialysis facility
-
- Critical Access Hospital
- Decatur, IN
- NPI 1689696148
-
dba Bluffton Regional Medical Center
- General Acute Care Hospital
- Bluffton, IN
- NPI 1376594366
-
- Critical Access Hospital
- Portland, IN
- NPI 1801315692
-
dba Lutheran Hospital of Indiana
- General Acute Care Hospital
- Fort Wayne, IN
- NPI 1306897335
-
dba Parkview Regional Medical Center
- General Acute Care Hospital
- Fort Wayne, IN
- NPI 1366407603
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1123632000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1745798400000",
"number": "1467454470",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "120 W 22ND ST STE 200",
"city": "OAK BROOK",
"state": "IL",
"postal_code": "605231563",
"telephone_number": "630-575-5000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "11104 PARKVIEW CIRCLE DR",
"address_2": "ENTRANCE 11, SUITE 330",
"city": "FORT WAYNE",
"state": "IN",
"postal_code": "468451730",
"telephone_number": "260-494-3484"
}
],
"practiceLocations": [
{
"address_1": "208 Columbus St",
"address_purpose": "LOCATION",
"city": "Hicksville",
"state": "OH",
"postal_code": "435261250",
"country_code": "US",
"telephone_number": "260-494-3484",
"fax_number": "260-969-0188",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "RUMANCIK",
"first_name": "MARK",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-08-10",
"last_updated": "2025-04-28",
"certification_date": "2025-04-28",
"status": "A"
},
"taxonomies": [
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "IN",
"license": "01041312A",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS",
"identifier": "000000095601",
"state": "IN"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICAID GROUP NUMBER",
"identifier": "100082060",
"state": "IN"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0929151",
"state": "OH"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "100360480",
"state": "IN"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "credentialing@nephdocs.com",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "120 W 22nd St Ste 200",
"city": "Oak Brook",
"state": "IL",
"country_code": "US",
"postal_code": "605231563",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Fort Wayne, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.