Thomas Frederic Ganz, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

2017010588 Issued in MO

Practice address

18800 Schnucks Dr Ste B
Warrenton, MO 63383-1121

Phone

(636) 456-3413

Fax

(636) 379-1297

NPI assigned

May 13, 2013

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

Electronic endpoints 2

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.

• SSM Medical Group, Inc.

  • Multi-Specialty Clinic/Center
  • Fenton, MO
  • NPI 1700966207

  MO

  Medicare reassignment Care Compare group NPD
• SSM Health Care St Louis

  • Emergency Medicine Physician
  • Fenton, MO
  • NPI 1275586174

  MO

  Medicare reassignment NPD
• SSM Medical Group Inc.

  • Durable Medical Equipment & Medical Supplies
  • Wentzville, MO
  • NPI 1043518350
  Care Compare group
• SSM Medical Group Inc.

  • Durable Medical Equipment & Medical Supplies
  • Bridgeton, MO
  • NPI 1053616110
  Care Compare group
• SSM Medical Group Inc.

  • Durable Medical Equipment & Medical Supplies
  • Saint Charles, MO
  • NPI 1437573920
  Care Compare group
• SSM Medical Group Inc.

  • Durable Medical Equipment & Medical Supplies
  • Saint Charles, MO
  • NPI 1447633557
  Care Compare group
• SSM Medical Group Inc.

  • Durable Medical Equipment & Medical Supplies
  • Bridgeton, MO
  • NPI 1477564581
  Care Compare group
• SSM Medical Group Inc.

  • Durable Medical Equipment & Medical Supplies
  • Troy, MO
  • NPI 1528503133
  Care Compare group
• SSM Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Florissant, MO
  • NPI 1194736116
  Care Compare group
• SSM Health Care St. Louis

  • Emergency Medical Services (Emergency Medicine) Physician
  • Lake St Louis, MO
  • NPI 1538113097

  Obstetrics & Gynecology

  NPD
• SSM Health Care St. Louis

  • Emergency Medicine Physician
  • Saint Charles, MO
  • NPI 1427002922

  Obstetrics & Gynecology

  NPD (past)
• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Lake St Louis, MO
  • NPI 1871665380
  NPD (past)

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

• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Saint Charles, MO
  • NPI 1467521146

  Hospital

  Care Compare affiliation
• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Lake St Louis, MO
  • NPI 1871665380

  Hospital

  Care Compare affiliation

Specialty

Obstetrics/Gynecology

Education

Saint Louis University School of Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

SSM Medical Group Inc 565 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM St Joseph Hospital West Hospital, Lake Saint Louis, MO, CCN 260200
• SSM St Joseph Health Center Hospital, Saint Charles, MO, CCN 260005

Procedures performed for Medicare patients

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tganz43552@direct-ehr-ssmhc.com

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

{
    "created_epoch": "1368403200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749168000000",
    "number": "1447696802",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 955534",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631955534"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18800 SCHNUCKS DR STE B",
            "city": "WARRENTON",
            "state": "MO",
            "postal_code": "633831121",
            "telephone_number": "636-456-3413",
            "fax_number": "636-379-1297"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1101 Highway K",
            "address_purpose": "LOCATION",
            "city": "O Fallon",
            "state": "MO",
            "postal_code": "633668431",
            "country_code": "US",
            "telephone_number": "636-379-6363",
            "fax_number": "636-379-1297",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Medical Plz Ste 310",
            "address_purpose": "LOCATION",
            "city": "Lake St Louis",
            "state": "MO",
            "postal_code": "633671484",
            "country_code": "US",
            "telephone_number": "636-625-2662",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "172 Professional Pkwy",
            "address_purpose": "LOCATION",
            "city": "Troy",
            "state": "MO",
            "postal_code": "633792823",
            "country_code": "US",
            "telephone_number": "636-462-6106",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "301 Caledonia Pkwy Ste 150",
            "address_purpose": "LOCATION",
            "city": "O Fallon",
            "state": "MO",
            "postal_code": "633686690",
            "country_code": "US",
            "telephone_number": "636-202-6802",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GANZ",
        "first_name": "THOMAS",
        "middle_name": "FREDERIC",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-05-13",
        "last_updated": "2025-06-06",
        "certification_date": "2025-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MO",
            "license": "2017010588",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tganz43552@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "tganz43552@direct-ehr-ssmhc.com",
            "address_1": "18800 Schnucks Dr Ste B",
            "city": "Warrenton",
            "state": "MO",
            "country_code": "US",
            "postal_code": "633831121",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR-API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "18800 Schnucks Dr Ste B",
            "city": "Warrenton",
            "state": "MO",
            "country_code": "US",
            "postal_code": "633831121",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Skylar Paige Evans Leza, PMHNP, CNP
• Audrey Elizabeth Fiudo, OTR/L
• Foot Care, Inc.
• Derrick Forsythe, LPC
• April Lynn Friedeck, LMT
• Generations Counseling Group, LLC
• Genoa Healthcare LLC
• Jennifer J. Gradel, CNP
• Cindy Louise Graham, LMT,CMT,NCTMB
• Christopher Gene Graves, D.O.

• All providers in Warrenton, MO
• Obstetrics & Gynecology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 6, 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.