Gregory G Nowak, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

036099837 Issued in IL

Practice address

2350 N Rockton Ave
Rockford, IL 61103-3600

Phone

(815) 971-2200

Fax

(815) 971-9097

NPI assigned

Feb 8, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in IL

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 1

Specialty

Cardiovascular Disease (Cardiology)

Education

Other, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rockford Health PhysiciansGroup PAC ID 2567374036, 520 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Javon Bea Hospital Hospital, Rockford, IL, CCN 140239
• Saint Anthony Medical Center Hospital, Rockford, IL, CCN 140233
• Uw Health Hospital, Rockford, IL, CCN 140228
• Mercy Harvard Hospital Hospital, Harvard, IL, CCN 141335
• Osf Saint Paul Medical Center Hospital, Mendota, IL, CCN 141310

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gnowak39523@direct.mhemail.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.

• Rockford Health Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment Care Compare group NPD
• RMH Pathologists, LTD

  • Anatomic Pathology Physician
  • Rockford, IL
  • NPI 1184671992
  NPD

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

• Javon Bea Hospital

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1629118609
  Care Compare affiliation
• Mendota Community Hospital

  • Critical Access Hospital
  • Mendota, IL
  • NPI 1609803113
  Care Compare affiliation
• Mercy Harvard Hospital Inc

  • Critical Access Hospital
  • Harvard, IL
  • NPI 1427001445
  Care Compare affiliation
• Saint Anthony Medical Center

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1790739977
  Care Compare affiliation
• Swedishamerican Hospital

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1760542732
  Care Compare affiliation

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

{
    "created_epoch": "1139356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1376516625",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2350 N ROCKTON AVE",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611033600",
            "telephone_number": "815-971-2200",
            "fax_number": "815-971-9097"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2350 N ROCKTON AVE",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611033600",
            "telephone_number": "815-971-2200",
            "fax_number": "815-971-9097"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1045 W Stephenson St",
            "address_purpose": "LOCATION",
            "city": "Freeport",
            "state": "IL",
            "postal_code": "610324864",
            "country_code": "US",
            "telephone_number": "815-599-6000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8201 E Riverside Blvd",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611142300",
            "country_code": "US",
            "telephone_number": "815-971-2200",
            "fax_number": "815-971-9097",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NOWAK",
        "first_name": "GREGORY",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-08",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036099837",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IL",
            "license": "036099837",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036099837",
            "state": "IL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1376516625",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Mary Ann Norwood, MA
• Sage M Norwood, PA-C
• Lance K. Novak
• Maya Novik
• Mary E Novotny
• Magdalena Nowak, MD
• Chijindu Nnaemeka Nwakama, MD
• Catherine Nwosu
• Rebecca J Nygren, P.T., D.P.T.
• Scott R Nyquist, MD

• Cardiovascular Disease Physician in Rockford, IL
• Providers in Rockford, IL by specialty
• Cardiovascular Disease Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 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.