Rosana Themistocles, CRNA
NPI 1841351434 · Certified Registered Nurse Anesthetist · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosana Themistocles, CRNA is a Certified Registered Nurse Anesthetist provider in Oklahoma City, OK (NPI 1841351434).
Provider details
- NPI number
- 1841351434
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- RN548809 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing 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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
126 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 | 55 | $134 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 28 | $120 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 18 | $167 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 13 | $291 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 12 | $311 |
Typical Medicare-allowed amounts for these services range $120–$311 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 22 S Greene StPatient Care Services G1k01Baltimore, MD 21201-1544Phone: (410) 328-8667
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2025-09-25
- Certified
- 2025-09-25
Frequently asked questions
- What is Rosana Themistocles's NPI number?
- Rosana Themistocles's National Provider Identifier (NPI) is 1841351434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosana Themistocles's specialty?
- Rosana Themistocles is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rosana Themistocles located?
- Rosana Themistocles's practice location on file with NPPES is 920 Stanton L Young Blvd Ste 1140, Oklahoma City, OK 73104-5036.
- What is Rosana Themistocles's phone number?
- The practice phone number listed in the NPPES registry for Rosana Themistocles is (405) 271-4351.
- Does Rosana Themistocles accept Medicare?
- Rosana Themistocles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosana Themistocles's NPI active?
- Yes — Rosana Themistocles's NPI (1841351434) is active in the NPPES registry as of the last update on 2025-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.