John C. Geissinger, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

24078 Issued in ND

Practice address

300 N 7TH St
Bismarck, ND 58501-4439

Phone

(701) 323-6000

Fax

(605) 328-6512

NPI assigned

May 19, 2022

Last updated

Aug 21, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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 UT

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

Anesthesiology

Education

Medical College of Wisconsin, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Utah Adult ServicesGroup PAC ID 0941525273, 1,758 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Utah Hospital and Clinics Hospital, Salt Lake City, UT, CCN 460009

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• University of Utah Adult Services

  • General Practice Physician
  • Salt Lake City, UT
  • NPI 1114321981
  Medicare reassignment Care Compare group
• University of Utah Acuity Care Services

  dba Anesthesiology Dept SICU

  • Critical Care Medicine (Anesthesiology) Physician
  • Salt Lake City, UT
  • NPI 1407250541
  Medicare reassignment

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

• University of Utah

  dba Huntsman Mental Health Institute

  • General Acute Care Hospital
  • Salt Lake City, UT
  • NPI 1487734976
  Care Compare affiliation
• University of Utah

  dba University Health Care Hospitals and Clinics

  • General Acute Care Hospital
  • Salt Lake City, UT
  • NPI 1588656870
  Care Compare affiliation
• University of Utah

  dba University Health Care

  • General Acute Care Hospital
  • Salt Lake City, UT
  • NPI 1699889576
  Care Compare affiliation

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

{
    "created_epoch": "1652918400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1245977321",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074",
            "telephone_number": "605-328-6585",
            "fax_number": "605-328-6512"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 N 7TH ST",
            "city": "BISMARCK",
            "state": "ND",
            "postal_code": "585014439",
            "telephone_number": "701-323-6000",
            "fax_number": "605-328-6512"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEISSINGER",
        "first_name": "JOHN",
        "middle_name": "C.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-05-19",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "UT",
            "license": "13502799-1205",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "ND",
            "license": "24078",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Diana Rae Gefroh, MSED., LPCC
• Kristin Gefroh
• Alexandra Mia Geiger, MD
• Hillary Geiger
• Kim E Geiger, CRNA
• Whitney Geletich
• Gina Geller Weigel
• Gina Nicole Gentzkow, DPT
• Lovin George
• Patricia Louise Gereszek, APRN

• Anesthesiology Physician in Bismarck, ND
• Providers in Bismarck, ND by specialty
• Anesthesiology Physician in North Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 2026; 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.