NPIMap

Individual provider Active NPI

Christopher J Ronkar, MD

  • Rheumatology Physician
  • Urbandale, IA
National Provider Identifier
1992810956
Registry record updated May 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
32739 Issued in IA
Practice address
8421 Plum Dr
Urbandale, IA 50322-7356
Phone
(515) 270-7222
Fax
(515) 270-7202
NPI assigned
Aug 20, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 13, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 32739 IA Primary

Addresses

Primary practice location

8421 Plum Dr
Urbandale, IA 50322-7356

Mailing address

8421 Plum Dr
Urbandale, IA 50322-7356
Phone (515) 270-7222

Other identifiers 1

IdentifierTypeStateIssuer
0282178MedicaidIA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address christopher.ronkar@direct.iaoc.nextgenshare.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100123000247 IA Practitioner - Rheumatology 7618019035 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
Other, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Iowa Arthritis and Osteoporosis Center PCGroup PAC ID 0941514715, 15 clinicians

Practice addresses (Care Compare)

8421 Plum Dr
Urbandale, IA 50322-7356
Phone (515) 270-7222

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
76.86 of 100Reported as group
Quality
82.52
Promoting interoperability
86
Improvement activities
40
Cost
52.01

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
32739IAMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Iowa Arthritis and Osteoporosis Center PC Rheumatology CurrentSince Oct 1, 2015 Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients

Locations

8421 Plum Dr
Urbandale, IA 50322
Phone (515) 270-7222

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: cronkar3963754@direct.trinity-health.org

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 and National Provider Directory roles.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1156032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747094400000",
    "number": "1992810956",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8421 PLUM DR",
            "city": "URBANDALE",
            "state": "IA",
            "postal_code": "503227356",
            "telephone_number": "515-270-7222",
            "fax_number": "515-270-7202"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8421 PLUM DR",
            "city": "URBANDALE",
            "state": "IA",
            "postal_code": "503227356",
            "telephone_number": "515-270-7222",
            "fax_number": "515-270-7202"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RONKAR",
        "first_name": "CHRISTOPHER",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-20",
        "last_updated": "2025-05-13",
        "certification_date": "2025-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "IA",
            "license": "32739",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0282178",
            "state": "IA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "christopher.ronkar@direct.iaoc.nextgenshare.com",
            "affiliation": "N",
            "address_1": "8421 Plum Dr",
            "city": "Des Moines",
            "state": "IA",
            "country_code": "US",
            "postal_code": "503227356",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Urbandale, IA

Sources for this page

Verify at the official NPI Registry.