Cardiothoracic Surgery, LLC

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

Legal business name

CARDIOTHORACIC SURGERY, LLC

Practice address

222 S Woods Mill Rd
Suite 550-N
Chesterfield, MO 63017-3625

Phone

(314) 434-3049

Fax

(314) 205-6916

NPI assigned

Mar 15, 2006

Organization subpart

Yes

Parent organization

ST. LUKES MEDICAL GROUPAs reported in NPPES

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

Authorized official

Name

Darren R. Haskell, MD.

Title

Chief Medical Officer

Phone

(314) 205-6444

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in MO

Enrollment records 1

Part of

St Lukes Medical Group

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

• St. Lukes Medical Group

  • Family Medicine Physician
  • Chesterfield, MO
  • NPI 1215308945

  Member Of

  NPD member

Locations

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

• St. Lukes Medical Group

  • Family Medicine Physician
  • Chesterfield, MO
  • NPI 1215308945
  NPPES parent name

Practitioners 81

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Amy R Bohm, PNP

  • Pediatric Nurse Practitioner
  • Wentzville, MO
  • NPI 1326426560
  Medicare reassignment Care Compare group NPD
• Toni Edwards, FNP-C

  • Family Nurse Practitioner
  • Chesterfield, MO
  • NPI 1023553070
  Medicare reassignment Care Compare group NPD
• Stacey Marie Flowers, FNP

  • Family Nurse Practitioner
  • Chesterfield, MO
  • NPI 1992254957
  Medicare reassignment Care Compare group NPD
• Mary Frances Gildehaus, NP

  • Family Nurse Practitioner
  • Chesterfield, MO
  • NPI 1568058584
  Medicare reassignment Care Compare group NPD
• Jaclyn Hazelwonder, MSN, APRN, FNP-BC

  • Family Nurse Practitioner
  • Chesterfield, MO
  • NPI 1447920848
  Medicare reassignment Care Compare group NPD
• Jeremy Earle Leidenfrost, MD

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Chesterfield, MO
  • NPI 1275739872
  Medicare reassignment Care Compare group NPD
• Ronald D Leidenfrost, MD

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Chesterfield, MO
  • NPI 1215936745
  Medicare reassignment Care Compare group NPD
• Jennifer L McIntosh, FNP

  • Family Nurse Practitioner
  • Saint Louis, MO
  • NPI 1669756946
  Medicare reassignment Care Compare group NPD
• Brian G Peterson, MD

  • Vascular Surgery Physician
  • Saint Louis, MO
  • NPI 1356359376
  Medicare reassignment Care Compare group NPD
• Michael Ryan Reidy, M.D.

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Saint Louis, MO
  • NPI 1447575964
  Medicare reassignment Care Compare group NPD
• Jennifer Lynn Sanford, MD

  • Vascular Surgery Physician
  • Chesterfield, MO
  • NPI 1669798252
  Medicare reassignment Care Compare group NPD
• Lloyd John Vasquez III, NP-C

  • Adult Health Nurse Practitioner
  • Saint Louis, MO
  • NPI 1710405188
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1142380800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772668800000",
    "number": "1104895812",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "232 S WOODS MILL RD",
            "city": "CHESTERFIELD",
            "state": "MO",
            "postal_code": "630173406",
            "telephone_number": "314-576-2490",
            "fax_number": "314-576-2473"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "222 S WOODS MILL RD",
            "address_2": "SUITE 550-N",
            "city": "CHESTERFIELD",
            "state": "MO",
            "postal_code": "630173625",
            "telephone_number": "314-434-3049",
            "fax_number": "314-205-6916"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CARDIOTHORACIC SURGERY, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "ST. LUKES MEDICAL GROUP",
        "enumeration_date": "2006-03-15",
        "last_updated": "2026-03-05",
        "certification_date": "2026-03-05",
        "status": "A",
        "authorized_official_last_name": "HASKELL",
        "authorized_official_first_name": "DARREN",
        "authorized_official_middle_name": "R.",
        "authorized_official_title_or_position": "CHIEF MEDICAL OFFICER",
        "authorized_official_telephone_number": "314-205-6444",
        "authorized_official_credential": "MD."
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "507279602",
            "state": "MO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "DD6946",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Justine L Carlson, LCSW
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• Bradley Ross Carn, D.M.D., MD

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Chesterfield, MO
• Providers in Chesterfield, MO by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.