Khalid A. Siddiqui, MD

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

036-087584 Issued in IL

Practice address

1401 E State St
Rockford, IL 61104-2315

Phone

(779) 696-4400

Fax

(779) 490-5906

NPI assigned

Aug 30, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL, WI2 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

Pediatric Medicine

Education

Other, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ksiddiqui52194@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.

• Bonaventure Medical Foundation, LLC

  • Family Medicine Physician
  • Elk Grove Village, IL
  • NPI 1588775647
  Medicare reassignment NPD
• Rockford Health Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment NPD
• Apka Health

  • Hospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician
  • Rockford, IL
  • NPI 1962375907
  NPD Authorized official
• Freeport Memorial Hospital

  • General Acute Care Hospital
  • Freeport, IL
  • NPI 1447228788
  Medicare reassignment
• Freeport Regional Health Care Foundation

  • Family Medicine Physician
  • Freeport, IL
  • NPI 1457337016
  Medicare reassignment
• Mercy Health System Corporation

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603
  Medicare reassignment
• RMH Pathologists, LTD

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

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

{
    "created_epoch": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1538279724",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1567",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611100067"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1401 E STATE ST",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611042315",
            "telephone_number": "779-696-4400",
            "fax_number": "779-490-5906"
        }
    ],
    "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": "2400 N Rockton Ave",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611033655",
            "country_code": "US",
            "telephone_number": "815-971-5000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIDDIQUI",
        "first_name": "KHALID",
        "middle_name": "A.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-30",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "IL",
            "license": "036-087584",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036087584",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kimberly Rae Shulga, APRN, FNP-C
• Jennifer Michelle Shull
• Douglas Shumaker, O.D.
• Hayley Sica
• Farheen Siddiqui, MD
• Nadeem A. Siddiqui, MD
• Sana Ali Siddiqui
• Angela Siebold, DNP, FNP-BC
• Diane Sierens, M.D.
• Karolina Sierotnik, AGACNP-BC, DNP

• Neonatal-Perinatal Medicine Physician in Rockford, IL
• Providers in Rockford, IL by specialty
• Neonatal-Perinatal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 13, 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.