Maryssa L St. Clair, FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

1212936 Issued in TX

Practice address

22315 White Doe Pass
San Antonio, TX 78255-2410

Phone

(361) 800-3679

NPI assigned

Sep 11, 2025

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

Specialty

Nurse Practitioner

Education

Texas a & M University System, HSC, College of Medicine, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Apexmed PLLCGroup PAC ID 3678842978, 21 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Apexmed, PLLC

  • Internal Medicine Physician
  • San Antonio, TX
  • NPI 1013445519
  Medicare reassignment Care Compare group NPD
• Apexcare PLLC

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • San Antonio, TX
  • NPI 1982216297
  Medicare reassignment NPD
• Apexmed Primary Care Shavano

  • Internal Medicine Physician
  • San Antonio, TX
  • NPI 1558166900
  Medicare reassignment NPD

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

{
    "created_epoch": "1757548800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1811878242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22315 WHITE DOE PASS",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782552410",
            "telephone_number": "361-800-3679"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22315 WHITE DOE PASS",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782552410",
            "telephone_number": "361-800-3679"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ST. CLAIR",
        "first_name": "MARYSSA",
        "middle_name": "L",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-09-11",
        "last_updated": "2025-09-11",
        "certification_date": "2025-08-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TX",
            "license": "1212936",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• St Mary'S Therapy, Inc
• St Marys Asst Living
• St Marys Pediatric Homecare, Inc.
• St Marys University
• St Rochs Chronic Pain Program
• Monika St. Clair
• Katherine St. George, MA, LPC, ATR
• St. John Partnership LTD
• St. John Partnership, LTD.
• St. Johns Hospice LLC

• Nurse Practitioner in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.