Jonas Mieczyslaw Kwiatkowski, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

MD-46838 Issued in IA

Practice address

1000 4TH St SW
Mason City, IA 50401-2800

Phone

(641) 428-5192

Fax

(641) 428-8041

NPI assigned

Aug 28, 2016

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IA, OR2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Internal Medicine

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cogent Healthcare of Iowa PCGroup PAC ID 3779517941, 60 clinicians

Legacy Clinics LLCGroup PAC ID 0244144004, 714 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercyone North Iowa Medical Center Hospital, Mason City, IA, CCN 160064
• Legacy Good Samaritan Medical Center Hospital, Portland, OR, CCN 380017
• Legacy Emanuel Medical Center Hospital, Portland, OR, CCN 380007

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jkwiatkowski3949646@direct.trinity-health.org

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.

• Cogent Healthcare of Iowa, PC

  • Internal Medicine Physician
  • Cedar Rapids, IA
  • NPI 1982654497
  Medicare reassignment Care Compare group NPD
• Legacy Clinics LLC

  • Clinic/Center
  • Portland, OR
  • NPI 1902827272

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Sound Physicians of Iowa, PLLC

  • Internal Medicine Physician
  • Mason City, IA
  • NPI 1912398249
  NPD
• Floyd County Memorial Hospital Commission

  • Critical Access Hospital
  • Charles City, IA
  • NPI 1265402390
  NPD (past)
• Mercy Health Services-Iowa Corp

  • Rural Acute Care Hospital
  • Mason City, IA
  • NPI 1467537886
  NPD (past)

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

• Mercy Health Services-Iowa Corp

  • Rural Acute Care Hospital
  • Mason City, IA
  • NPI 1467537886
  Care Compare affiliation
• Legacy Emanuel Hospital & Health Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1003367491
  Care Compare affiliation
• Legacy Emanuel Hospital & Health Center

  • Clinical Medical Laboratory
  • Portland, OR
  • NPI 1295756898

  Hospital

  Care Compare affiliation
• Legacy Emanuel Hospital & Health Center

  • Clinic/Center
  • Portland, OR
  • NPI 1700809027

  Hospital

  Care Compare affiliation
• Legacy Emanuel Hospital & Health Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1831112358
  Care Compare affiliation
• Legacy Good Samaritan Hospital and Medical Center

  • Clinic/Center
  • Portland, OR
  • NPI 1679597108

  Hospital

  Care Compare affiliation
• Legacy Good Samaritan Hospital and Medical Center

  • General Acute Care Hospital
  • Portland, OR
  • NPI 1780608216
  Care Compare affiliation

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

{
    "created_epoch": "1472342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1346796646",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 4TH ST SW",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012800",
            "telephone_number": "312-770-0009",
            "fax_number": "641-428-8041"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 4TH ST SW",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012800",
            "telephone_number": "641-428-5192",
            "fax_number": "641-428-8041"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2801 N Gantenbein Ave",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "OR",
            "postal_code": "972271623",
            "country_code": "US",
            "telephone_number": "503-413-8407",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KWIATKOWSKI",
        "first_name": "JONAS",
        "middle_name": "MIECZYSLAW",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-08-28",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IA",
            "license": "MD-46838",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD227509",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mc.mmcmc.him@direct.2.mycarefile.org",
            "affiliation": "N",
            "endpointDescription": "MercyOne North Iowa Direct Email Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "1000 4th St SW",
            "city": "Mason City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "504012800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Brian Michael Kuchay, M.D.
• Amelia Kundel, MD
• Jennifer Jo Kuntz, CRNA DNP
• Julie Kathryn Kuntz, RPH
• Alexis Kunz, PHARM.D.
• Laboratory Corporation of America Holdings
• Jay A Lala, D.D.S.
• Heather H Lamb, PA-C
• Kurt B Lamers, PA
• Mary Beth Lampe, DDS

• Hospitalist Physician in Mason City, IA
• Providers in Mason City, IA by specialty
• Hospitalist Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 3, 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.

Verify at the official NPI Registry.