Nathan Ronald Janowicz, PA-C

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

Practice address

9001 Broadway
Merrillville, IN 46410-7041

Phone

(219) 795-3360

NPI assigned

Jan 15, 2025

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IN

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bone and Joint Specialists, P.C.Group PAC ID 8820018583, 22 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Mary Medical Center Inc Hospital, Hobart, IN, CCN 150034
• Community Hospital Hospital, Munster, IN, CCN 150125

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Interoperability endpoints

• Direct secure messaging: nathan.janowicz.1@22358.direct.athenahealth.com

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.

• Bone & Joint Specialists, PC

  • Orthopaedic Surgery Physician
  • Merrillville, IN
  • NPI 1629083076
  Medicare reassignment Care Compare group

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

• Munster Medical Research Foundation Inc

  • General Acute Care Hospital
  • Munster, IN
  • NPI 1003918210
  Care Compare affiliation
• St Mary Medical Center Inc

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1558463745
  Care Compare affiliation
• St Mary Medical Center Inc

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1962504175
  Care Compare affiliation

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

{
    "created_epoch": "1736899200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1700697257",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9001 BROADWAY",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464107041",
            "telephone_number": "219-795-3360",
            "fax_number": "219-756-6500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9001 BROADWAY",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464107041",
            "telephone_number": "219-795-3360"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2213 Main St",
            "address_purpose": "LOCATION",
            "city": "Highland",
            "state": "IN",
            "postal_code": "463223514",
            "country_code": "US",
            "telephone_number": "219-795-3360",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1500 S Lake Park Ave Ste Sp402",
            "address_purpose": "LOCATION",
            "city": "Hobart",
            "state": "IN",
            "postal_code": "463426638",
            "country_code": "US",
            "telephone_number": "219-795-3360",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JANOWICZ",
        "first_name": "NATHAN",
        "middle_name": "RONALD",
        "name_prefix": "Mr.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-01-15",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dominique Lashanda Jamison-Williams, OTR
• Stephanie Jamison, RBT
• Kadambari Jangam, M.D.
• Brandy Jania, BA
• Alexis Jank
• Teresa Jarman
• Allison Jarrett, PA
• Brigid Jasek
• Lynnette Jasper Duruzor, APN
• Mohammad Javed, M.D

• Medical Physician Assistant in Merrillville, IN
• Providers in Merrillville, IN by specialty
• Medical Physician Assistant in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 2026; 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.