Patrick Chizek

Primary specialty

Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X

License

2025032761 Issued in MO

Practice address

10012 Kennerly Rd Ste 102
Saint Louis, MO 63128-2197

Phone

(314) 543-5240

Fax

(314) 543-5239

NPI assigned

Mar 24, 2019

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

Medicare fee-for-service enrollment

Enrolled in MO

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

Colorectal Surgery (Proctology)

Education

Des Moines University of Osteopathic Medicine and Health Sciences, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mercy Clinic Gastroenterology LLCGroup PAC ID 8628121795, 66 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital South Hospital, Saint Louis, MO, CCN 260077
• Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: pchizek576425@ahs.direct-ci.com

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.

• Mercy Clinic Gastroenterology, LLC

  • Gastroenterology Physician
  • Saint Louis, MO
  • NPI 1528295334
  Medicare reassignment Care Compare group NPD
• Mercy Clinic Surgical Specialists, LLC

  • Vascular Surgery Physician
  • Washington, MO
  • NPI 1043530538
  Medicare reassignment NPD

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

• Mercy Hospital South

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1568481984
  Care Compare affiliation
• Mercy Hospitals East Communities

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1427098169
  Care Compare affiliation
• Mercy Hospitals East Communities

  • Land Ambulance
  • Saint Louis, MO
  • NPI 1881329902

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1553385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757635200000",
    "number": "1245790294",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10012 KENNERLY RD STE 102",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631282197",
            "telephone_number": "314-543-5240",
            "fax_number": "314-543-5239"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10012 KENNERLY RD STE 102",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631282197",
            "telephone_number": "314-543-5240",
            "fax_number": "314-543-5239"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHIZEK",
        "first_name": "PATRICK",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-24",
        "last_updated": "2025-09-12",
        "certification_date": "2025-09-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "MO",
            "license": "2025032761",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Karen Chiu
• Sherwin Shao-Yun Chiu, MD
• Wai E Chiu, MD
• Mary Chivetta, OD
• Saurabh Shankar Chiwane, MD
• CHK Compassion Care LLC
• Abigail Catherine Chmiel, MD
• Gerald Jeungil Cho, MD
• James P Cho, M.D.
• Ju Yeon Cho, MD

• Colon & Rectal Surgery Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Colon & Rectal Surgery Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 12, 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.