Karla Judith Sermeno Castillo

Primary specialty

EndodonticsTaxonomy code 1223E0200X

License

34481 Issued in TX

Practice address

5841 NW Loop 410 Ste 110
San Antonio, TX 78238-2526

Phone

(210) 521-4600

NPI assigned

Aug 11, 2018

Sex

Female

Sole proprietor

Yes

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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.

• South Austin Microendodontics

  • Endodontics
  • Austin, TX
  • NPI 1457821126
  NPD (past)
• Specialty1Partners

  • Endodontics
  • San Antonio, TX
  • NPI 1952301798
  NPD (past)

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

{
    "created_epoch": "1533945600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1093294852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25407 MESA VW",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782584825",
            "telephone_number": "323-632-3421"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 NW LOOP 410 STE 110",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782382526",
            "telephone_number": "210-521-4600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1130 E Sonterra Blvd Ste 140",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782584236",
            "country_code": "US",
            "telephone_number": "210-497-6699",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SERMENO CASTILLO",
        "first_name": "KARLA",
        "middle_name": "JUDITH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-08-11",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223E0200X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, Endodontics",
            "state": "TX",
            "license": "34481",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Serenity Oaks, PLLC
• Serenity Primary Home Care LLC
• Serenity Springs Therapy, PLLC
• Sereno Medicine PLLC
• Sara A Serji, DO
• Cindy Sermonia
• Nadia Citlalli Serna Martinez
• Antonio Serna IV, MD
• Dalia Serna, COTA
• Daniela Serna

• Endodontics in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Endodontics in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 6, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.