Karsta Lynn Marck, MSN, APRN, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

1045568 Issued in TX

Practice address

1900 North Loop W Ste 580
Houston, TX 77018-8163

Phone

(713) 714-5376

NPI assigned

Nov 15, 2020

Last updated

Aug 25, 2026By the provider in NPPES

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

Medicare fee-for-service enrollment

Enrolled in TX

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

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/15216/brand/1/csg/1/fhir/r4
• Direct secure messaging: ksunne59054@direct.kelsey-seybold.com

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.

• Kelsey-Seybold Medical Group, PLLC

  dba Kelsey Seybold Clinic

  • Multi-Specialty Clinic/Center
  • Houston, TX
  • NPI 1013915255
  Medicare reassignment NPD
• Bayou City Surgical Specialists, PLLC

  • Colon & Rectal Surgery Physician
  • Houston, TX
  • NPI 1508223041
  NPD (past)
• Clinic for Cardiovascular Care

  dba Lone Star Heart and Vascular Center

  • Cardiovascular Disease Physician
  • Tomball, TX
  • NPI 1386632115
  NPD (past)
• Clinic for Cardiovascular Care

  dba Lone Star Heart and vascular center

  • Cardiovascular Disease Physician
  • Tomball, TX
  • NPI 1457462194
  NPD (past)
• Privia Medical Group Gulf Coast PLLC

  dba Express Pain and Urgent Care

  • Interventional Pain Medicine Physician
  • San Antonio, TX
  • NPI 1457167033
  NPD (past)

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

{
    "created_epoch": "1605398400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1073115952",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1900 NORTH LOOP W STE 580",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770188163",
            "telephone_number": "713-714-5376"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1900 NORTH LOOP W STE 580",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770188163",
            "telephone_number": "713-714-5376"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCK",
        "first_name": "KARSTA",
        "middle_name": "LYNN",
        "credential": "MSN, APRN, FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-11-15",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "1045568",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bryanna Lynn Marchal
• Lauren Ann Marchi
• Richard Stephen Marchisio, RTP
• Jacquelyn C Marchman, CRNA
• Patrick Christopher Marcin, M.D.
• Ashley Marcks
• Rex A Marco, M.D.
• Andrea Nicole Marcogliese, MD
• Andrei Marconescu, M.D., PH.D.
• Andrea Marconi, D.O, M.D

• Family Nurse Practitioner in Houston, TX
• Providers in Houston, TX by specialty
• Family Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.