Karla Castro-Frenzel, M.D.

Primary specialty

Pediatric Anesthesiology PhysicianTaxonomy code 207LP3000X

License

ME122251 Issued in FL

Practice address

52 Underwood St
Orlando, FL 32806-1110

Phone

(321) 527-7424

Fax

(321) 843-2196

NPI assigned

Oct 12, 2005

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in NY, FL2 enrollments

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 2

Specialty

Anesthesiology

Education

Other, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Orlando Health Medical Group IncGroup PAC ID 9537059084, 2,171 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Optimum HealthCare HMO Network
• Freedom Health HMO Network

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.

• Orlando Health Medical Group Inc

  • Internal Medicine Physician
  • Orlando, FL
  • NPI 1669429577
  Medicare reassignment Care Compare group NPD
• Sheridan Healthcorp Inc

  • Anesthesiology Physician
  • Okeechobee, FL
  • NPI 1629781711
  Medicare reassignment NPD
• Orlando Health Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Winter Park, FL
  • NPI 1265019541
  NPD
• Sheridan Healthcorp Inc

  • Anesthesiology Physician
  • Loxahatchee, FL
  • NPI 1881807113
  NPD
• Sheridan Healthcorp, Inc.

  • Anesthesiology Physician
  • North Miami Beach, FL
  • NPI 1578429460
  NPD
• U of R Anesthesiology Group

  • Anesthesiology Physician
  • Rochester, NY
  • NPI 1609806488
  NPD

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

{
    "created_epoch": "1129075200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751328000000",
    "number": "1245228378",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "52 UNDERWOOD ST",
            "city": "ORLANDO",
            "state": "FL",
            "postal_code": "328061110",
            "telephone_number": "321-527-7424",
            "fax_number": "321-843-2196"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "52 UNDERWOOD ST",
            "city": "ORLANDO",
            "state": "FL",
            "postal_code": "328061110",
            "telephone_number": "321-527-7424",
            "fax_number": "321-843-2196"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13535 Nemours Pkwy",
            "address_2": "Nemours Childrens Hospital",
            "address_purpose": "LOCATION",
            "city": "Orlando",
            "state": "FL",
            "postal_code": "328277402",
            "country_code": "US",
            "telephone_number": "407-650-7646",
            "fax_number": "407-650-7089",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTRO-FRENZEL",
        "first_name": "KARLA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-10-12",
        "last_updated": "2025-07-01",
        "certification_date": "2025-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "FL",
            "license": "ME122251",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NY",
            "license": "236556",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "FL",
            "license": "ME122251",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02669529",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "014176000",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Marjolys Castro Marti
• Melissa Castro Reyes, APRN
• Jose Enrique Castro Sanchez, RBT-25-408077
• Yaricel Castro Valdes, RBT
• Gloria Castro-Alvarez
• Anjelica Castro
• Axel Castro, DMD
• Brittany Castro
• Emmanuel Cruz Castro
• Gabriela Castro, MD

• Pediatric Anesthesiology Physician in Orlando, FL
• Providers in Orlando, FL by specialty
• Pediatric Anesthesiology Physician in Florida

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