What is Rosana Themistocles's specialty?

Rosana Themistocles (NPI 1841351434) is a Medicare-billing provider whose primary specialty is Certified Registered Nurse Anesthetist (CRNA) in Oklahoma City, OK.

Where does Rosana Themistocles practice?

Rosana Themistocles practices in Oklahoma City, OK, based on the location reported in the CMS Medicare provider datasets for NPI 1841351434.

How much does Medicare pay Rosana Themistocles?

Rosana Themistocles (NPI 1841351434) received approximately $31K in total Medicare Part B payments, serving 207 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841351434

Rosana ThemistoclesCRNA

Certified Registered Nurse Anesthetist (CRNA)Oklahoma City, OKI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

125

Unique beneficiaries

—

Total services

126

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 584 Certified Registered Nurse Anesthetist (CRNA) providers in OK — above median (cohort median 145).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Rosana Themistocles's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Frederick Surgical Center, Llc Ambulatory Surgical Center · Frederick, MD	205	290
Nathaniel Fuller Anesthesiology · Hagerstown, MD	110	146
James Busack Ophthalmology · Frederick, MD	104	219
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	29	36
Lloyd Nagbe Certified Registered Nurse Anesthetist (CRNA) · Camden, NJ	16	17

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events