Cassandra Nicole Oldenburg, CRNA, MSN

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

APRN11024936 Issued in FL

Practice address

2500 Harbor Blvd
Port Charlotte, FL 33952-5000

Phone

(941) 766-4125

Fax

(941) 766-4101

NPI assigned

Jun 12, 2012

Last updated

Jul 10, 2025By 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 3

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in FL

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Florida Hospital Physician Group IncGroup PAC ID 2365679057, 953 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Adventhealth Port Charlotte Hospital, Port Charlotte, FL, CCN 100077

Merit-based Incentive Payment System (MIPS)

Final score

19.81 of 100Reported as group

Quality

0

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: coldenburg44660@direct.novanthealth.org

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.

• Florida Hospital Physician Group Inc

  dba AdventHealth Medical Group

  • Family Medicine Physician
  • Tampa, FL
  • NPI 1174955256
  Medicare reassignment Care Compare group NPD
• Capital Anesthesia Solutions of Florida II, LLC

  • Anesthesiology Physician
  • Naples, FL
  • NPI 1891318481
  Medicare reassignment NPD
• Punta Gorda HB Medical Services, LLC

  • Anesthesiology Physician
  • Port Charlotte, FL
  • NPI 1013782861

  Registered Nurse

  Medicare reassignment NPD
• Punta Gorda HB Medical Services, LLC

  • Multi-Specialty Clinic/Center
  • Venice, FL
  • NPI 1538934427

  Registered Nurse

  NPD

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

• Adventhealth Port Charlotte Inc

  dba Adventhealth Port Charlotte

  • General Acute Care Hospital
  • Port Charlotte, FL
  • NPI 1760299093
  Care Compare affiliation

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

{
    "created_epoch": "1339459200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752105600000",
    "number": "1578825998",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 HARBOR BLVD",
            "city": "PORT CHARLOTTE",
            "state": "FL",
            "postal_code": "339525000",
            "telephone_number": "941-766-4125",
            "fax_number": "941-766-4101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 HARBOR BLVD",
            "city": "PORT CHARLOTTE",
            "state": "FL",
            "postal_code": "339525000",
            "telephone_number": "941-766-4125",
            "fax_number": "941-766-4101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLDENBURG",
        "first_name": "CASSANDRA",
        "middle_name": "NICOLE",
        "name_prefix": "Mrs.",
        "credential": "CRNA, MSN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-06-12",
        "last_updated": "2025-07-10",
        "certification_date": "2025-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NC",
            "license": "089993",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "FL",
            "license": "APRN11024936",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NC",
            "license": "216021",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "COLDENBURG44660@DIRECT.NOVANTHEALTH.ORG",
            "affiliation": "N",
            "address_1": "200 Hawthorne Ln",
            "city": "Charlotte",
            "state": "NC",
            "country_code": "US",
            "postal_code": "282042515",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Odel Ruano M D P a
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• Andrea Briggs Olds, RD LD/N
• Esther Olds
• Olean Dental Studio PLLC
• Angelica Olivarez
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• Certified Registered Nurse Anesthetist in Port Charlotte, FL
• Providers in Port Charlotte, FL by specialty
• Certified Registered Nurse Anesthetist in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.