Cassandra Oldenburg, CRNA, MSN
NPI 1578825998 · Certified Registered Nurse Anesthetist · Port Charlotte, FL
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Oldenburg, CRNA, MSN is a Certified Registered Nurse Anesthetist provider in Port Charlotte, FL (NPI 1578825998).
Provider details
- NPI number
- 1578825998
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA, MSN
- Sex
- Female
- Sole proprietor
- No
- License
- 216021 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
119 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 37 | $134 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 19 | $122 |
| Anesthesia for Other Closed Procedure on Chest00520 | 15 | $154 |
| Ultrasonic Guidance for Needle Placement76942 | 13 | $29 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 12 | $339 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 12 | $149 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-12
- Last updated
- 2025-07-10
- Certified
- 2025-07-10
Frequently asked questions
- What is Cassandra Oldenburg's NPI number?
- Cassandra Oldenburg's National Provider Identifier (NPI) is 1578825998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Oldenburg's specialty?
- Cassandra Oldenburg is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Oldenburg located?
- Cassandra Oldenburg's practice location on file with NPPES is 2500 Harbor Blvd, Port Charlotte, FL 33952-5000.
- What is Cassandra Oldenburg's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Oldenburg is (941) 766-4125.
- Does Cassandra Oldenburg accept Medicare?
- Cassandra Oldenburg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Oldenburg's NPI active?
- Yes — Cassandra Oldenburg's NPI (1578825998) is active in the NPPES registry as of the last update on 2025-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.