Mahwish Hussain Saim, M.D.

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

036174037 Issued in IL

Practice address

25 N Winfield Rd Ste 204
Winfield, IL 60190-1379

Phone

(630) 232-0202

Fax

(630) 690-2293

NPI assigned

Apr 21, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Mahwish Hussain Former name

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

Pulmonary DiseaseAlso: Critical Care (Intensivists), Internal Medicine

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Central Dupage Physician GroupGroup PAC ID 5890696231, 1,087 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242
• Northwestern Medicine Delnor Community Hospital Hospital, Geneva, IL, CCN 140211
• Northwestern Medicine Kishwaukee Hospital Hospital, Dekalb, IL, CCN 140286
• Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130
• Northwestern Medicine McHenry Hospital, McHenry, IL, CCN 140116
• Marianjoy Rehabilitation Center Inpatient rehabilitation facility, Wheaton, IL, CCN 143027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Central Dupage Physician Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844
  Medicare reassignment Care Compare group NPD
• Central Dupage Physician Group

  • Orthopaedic Surgery Physician
  • Geneva, IL
  • NPI 1780012344
  NPD

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

• Central Dupage Hospital Association

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Care Compare affiliation
• Central Dupage Hospital Association

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  Care Compare affiliation
• Delnor Community Hospital

  • General Acute Care Hospital
  • Geneva, IL
  • NPI 1407859655
  Care Compare affiliation
• Kishwaukee Community Hospital

  • General Acute Care Hospital
  • Dekalb, IL
  • NPI 1669534517
  Care Compare affiliation
• Marianjoy Rehabilitation Hospital & Clinics Inc.

  • Rehabilitation Hospital
  • Wheaton, IL
  • NPI 1083660658

  Inpatient rehabilitation facility

  Care Compare affiliation
• Northern Illinois Medical Center

  • General Acute Care Hospital
  • McHenry, IL
  • NPI 1982611281
  Care Compare affiliation
• Northwestern Lake Forest Hospital

  • General Acute Care Hospital
  • Lake Forest, IL
  • NPI 1124025176
  Care Compare affiliation

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

{
    "created_epoch": "1524268800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1649767997",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 N WINFIELD RD STE 204",
            "city": "WINFIELD",
            "state": "IL",
            "postal_code": "601901379",
            "telephone_number": "630-232-0202",
            "fax_number": "630-690-2293"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 N WINFIELD RD STE 204",
            "city": "WINFIELD",
            "state": "IL",
            "postal_code": "601901379",
            "telephone_number": "630-232-0202",
            "fax_number": "630-690-2293"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "636 Raymond Dr Ste 204",
            "address_purpose": "LOCATION",
            "city": "Naperville",
            "state": "IL",
            "postal_code": "605639791",
            "country_code": "US",
            "telephone_number": "630-232-0202",
            "fax_number": "630-690-2293",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "302 Randall Rd Ste 105",
            "address_purpose": "LOCATION",
            "city": "Geneva",
            "state": "IL",
            "postal_code": "601344219",
            "country_code": "US",
            "telephone_number": "630-232-0202",
            "fax_number": "630-232-9784",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SAIM",
        "first_name": "MAHWISH",
        "middle_name": "HUSSAIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-04-21",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "IL",
            "license": "036174037",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MI",
            "license": "5315251576",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MAHWISH",
            "last_name": "HUSSAIN",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Pulmonary Disease Physician in Winfield, IL
• Providers in Winfield, 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 23, 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.