Nathan Charles Nowalk, M.D.

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

036152140 Issued in IL

Practice address

5841 S Maryland Ave
Chicago, IL 60637-1443

Phone

(888) 824-0200

NPI assigned

Jun 18, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in IL, PA2 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 MedicineAlso: Pulmonary Disease, Sleep Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Penn-Medical GroupGroup PAC ID 6204730955, 3,433 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Hospital of Univ of Pennsylvania Hospital, Philadelphia, PA, CCN 390111

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• devoted network organization-8ee96498-f86e-45f6-9fc9-a0f06c1636f9
• devoted network organization-598bd2d4-c652-473f-ba7a-132f674c8eb6
• devoted network organization-2d523d8e-e8f9-454a-bcd3-333df65bdbe8
• devoted network organization-9f3dfbd3-4aa6-4c92-8e71-9c4ed35ce037
• OH PPO

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.

• University of Penn - Medical Group

  • Nephrology Physician
  • Philadelphia, PA
  • NPI 1629181912

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1033218128
  Medicare reassignment NPD
• University of Chicago

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1821048786
  Medicare reassignment NPD
• The University of Chicago Medical Center

  • Community/Retail Pharmacy
  • Calumet City, IL
  • NPI 1255895678
  NPD
• University of Penn-Medical Group

  • Surgical Oncology Physician
  • Philadelphia, PA
  • NPI 1871981985
  NPD
• Pennsylvania Pulmonary Medical Associates, PC

  • Pulmonary Disease Physician
  • Philadelphia, PA
  • NPI 1124069869
  NPD (past)
• The Pennsylvania Hospital of the University of Pennsylvania Health Sys

  • General Acute Care Hospital
  • Phila, PA
  • NPI 1063489342
  NPD (past)
• University of Penn - Medical Group

  • Cardiovascular Disease Physician
  • Philadelphia, PA
  • NPI 1093725145
  NPD (past)

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

• Hospital of the University of PA

  • Ambulatory Fertility Facility
  • Phila, PA
  • NPI 1033262316

  Hospital

  Care Compare affiliation
• Trustees of the University of Pennsylvania

  • General Acute Care Hospital
  • Philadelphia, PA
  • NPI 1851370910
  Care Compare affiliation

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

{
    "created_epoch": "1434585600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1003298720",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 HARVESTER DR STE 300",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605275965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "888-824-0200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3624 Market St Ste 201",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191042614",
            "country_code": "US",
            "telephone_number": "215-662-7772",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NOWALK",
        "first_name": "NATHAN",
        "middle_name": "CHARLES",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-06-18",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "PA",
            "license": "MD490543",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "IL",
            "license": "036152140",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "IL",
            "license": "036152140",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ewa Nowak, M.D.
• Jan Nowak, D.D,S.
• Joanna Nowak, LCSW
• Lindsay D. Nowak, MD
• Waldemar Nowak, M.D.
• Sarah Lynn Nowaski, APRN, CNP
• Noweplay, LTD
• Brittney Nowicki, DO
• Christine Nowicki, LCSW
• Diana Nicole Nowicki, PHARMD

• Pulmonary Disease Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Pulmonary Disease Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 10, 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.