Marguerite King Marschner, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

353844 Issued in LA

Practice address

1151 Barataria Blvd Ste 4400
Marrero, LA 70072-3084

Phone

(504) 349-6401

NPI assigned

Oct 2, 2013

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Mrs. May Marschner Other name

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

University of Utah School of Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Utah Gastroenterology LLCGroup PAC ID 9830174150, 71 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Intermountain Health Alta View Hospital Hospital, Sandy, UT, CCN 460044
• Intermountain Health Riverton Hospital Hospital, Riverton, UT, CCN 460058

Merit-based Incentive Payment System (MIPS)

Final score

78.64 of 100Reported as group

Quality

70.95

Promoting interoperability

78

Improvement activities

40

Cost

76.2

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• FHIR API: https://4af267b3-0b17-4e37-b82c-3c19f9bce5de.gastro.prod.fhir.ema-api.com/fhir/r4/

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.

• Utah Gastroenterology LLC

  • Gastroenterology Physician
  • Salt Lake City, UT
  • NPI 1871689562
  Medicare reassignment Care Compare group
• Granite Peaks Gi, LLC

  • Gastroenterology Physician
  • Sandy, UT
  • NPI 1689872897
  Medicare reassignment
• Granite Peaks Pathology II LLC.

  dba Granite Peaks Pathology

  • Anatomic Pathology & Clinical Pathology Physician
  • Sandy, UT
  • NPI 1205387008
  NPD
• Utah Gastroenterology

  • Gastroenterology Physician
  • Sandy, UT
  • NPI 1124837646
  NPD
• Utah Gastroenterology, LLC

  dba Utah Gastroenterology

  • Gastroenterology Physician
  • Lehi, UT
  • NPI 1225853575
  NPD
• Granite Peaks Endoscopy,LLC

  • Ambulatory Surgical Clinic/Center
  • Sandy, UT
  • NPI 1083758320
  NPD (past)
• Utah Gastroenterology LLC

  • Gastroenterology Physician
  • Salt Lake City, UT
  • NPI 1972510717
  NPD (past)

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

• Ihc Health Services Inc

  dba Intermountain Health Riverton Hospital

  • General Acute Care Hospital
  • Riverton, UT
  • NPI 1154551919
  Care Compare affiliation
• Ihc Health Services Inc

  dba Intermountain Health Alta View Hospital

  • General Acute Care Hospital
  • Sandy, UT
  • NPI 1962412486
  Care Compare affiliation

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

{
    "created_epoch": "1380672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1295162444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1151 BARATARIA BLVD STE 4400",
            "city": "MARRERO",
            "state": "LA",
            "postal_code": "700723084",
            "telephone_number": "801-619-9000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1151 BARATARIA BLVD STE 4400",
            "city": "MARRERO",
            "state": "LA",
            "postal_code": "700723084",
            "telephone_number": "504-349-6401"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARSCHNER",
        "first_name": "MARGUERITE",
        "middle_name": "KING",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-10-02",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "LA",
            "license": "353844",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MAY",
            "last_name": "MARSCHNER",
            "prefix": "MRS.",
            "credential": "PA-C",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

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• Ashley Marks, FNP-C
• Meredith Marques
• Marrero LTAC Operations LLC (BridgePoint Continuing Care Hospital - WJMC Campus)
• Michelle L Marshall
• Charita Marthone, PHARM.D.
• Amanda Cenac Martin, PA-C
• Matthew Felipe Martinez
• Thalia Martinez

• Physician Assistant in Marrero, LA
• Providers in Marrero, LA by specialty
• Physician Assistant in Louisiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 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.