Shishir K Maithel, MD

Primary specialty

Surgical Oncology PhysicianTaxonomy code 2086X0206X

License

036171477 Issued in IL

Practice address

675 N Saint Clair St Ste 21-100
Chicago, IL 60611-5970

Phone

(312) 695-0990

Fax

(312) 695-1144

NPI assigned

Jun 9, 2008

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in GA, IL2 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

Surgical Oncology

Education

University of Chicago, Pritzker School of Medicine, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281
• Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130

Merit-based Incentive Payment System (MIPS)

Final score

94.51 of 100Reported as apm

Quality

80.61

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: smaithel20243@direct.emory.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.

• Northwestern Medical Faculty Foundation

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Emory Medical Care Foundation Inc

  • Internal Medicine Physician
  • Atlanta, GA
  • NPI 1063452381
  Medicare reassignment NPD
• The Emory Clinic Inc

  • Internal Medicine Physician
  • Atlanta, GA
  • NPI 1396798229
  Medicare reassignment NPD
• Northwestern Medical Faculty Foundation

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Emory Medical Care Foundation Inc

  • Diagnostic Radiology Physician
  • Atlanta, GA
  • NPI 1225294739
  NPD
• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1265689202
  NPD (past)

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

• Northwestern Lake Forest Hospital

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

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation

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

{
    "created_epoch": "1212969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756339200000",
    "number": "1750540233",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "675 N SAINT CLAIR ST STE 21-100",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606115970",
            "telephone_number": "312-695-0990",
            "fax_number": "312-695-1144"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 N SAINT CLAIR ST STE 21-100",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606115970",
            "telephone_number": "312-695-0990",
            "fax_number": "312-695-1144"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAITHEL",
        "first_name": "SHISHIR",
        "middle_name": "K",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-06-09",
        "last_updated": "2025-08-28",
        "certification_date": "2025-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "GA",
            "license": "062739",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "IL",
            "license": "036171477",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mainsail Therapeutics LLC
• Maintain & Grow Counseling PLLC
• Peter Mainville Jr., ATC
• Rylie Mainville, MD
• Maison Health LLC
• Brianna Maitland, RD, LDN
• Megha Maitra, M.S. CCC-SLP
• Maitri Psychological Services, PLLC
• Jordan Maivelett, M.D.
• Max Maizels, MD

• Surgical Oncology Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Surgical Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 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.