Katherine Marie Holzem, MD

Primary specialty

Vascular Surgery PhysicianTaxonomy code 2086S0129X

License

2022038986 Issued in MO

Practice address

915 N Grand Blvd
Saint Louis, MO 63106-1621

Phone

(314) 652-4100

NPI assigned

Jun 23, 2017

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

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

Merit-based Incentive Payment System (MIPS)

Final score

84.2 of 100Reported as group

Quality

71.6

Promoting interoperability

100

Improvement activities

40

Cost

75.75

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1134169568
  Medicare reassignment NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1962442475
  NPD
• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  NPD (past)

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

{
    "created_epoch": "1498176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1861912529",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-273-7373",
            "fax_number": "888-840-6225"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "915 N GRAND BLVD",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631061621",
            "telephone_number": "314-652-4100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1020 N Mason Rd",
            "address_2": "Div Surg Vascular, Ste 225",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631416666",
            "country_code": "US",
            "telephone_number": "314-273-7373",
            "fax_number": "888-840-6225",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLZEM",
        "first_name": "KATHERINE",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-23",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MO",
            "license": "2022038986",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "MO",
            "license": "2022038986",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200062938",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1020 N Mason Rd",
            "address_2": "Div Surg Vascular, Ste 225",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631416666",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Michael J Holtzman, MD
• Tracy S Holtzman, PT
• Caleb Holtzmann
• Christine Manion Holtzmann, RPH
• Raffael Holz-Eckmann, LMSW
• Eve Marie Holzemer, ANP
• Katie Ann Holzhauer-Caus, PA-C
• Jennifer Lynn Holzhauer, LCSW
• Lainie Holzman, M.S.W., L.C.S.W.
• Donna J Holzum, M.D.

• Vascular Surgery Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Vascular Surgery Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 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.