Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Olivia Nacos, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1427699149

Olivia Nacos, CRNA is registered under Certified Registered Nurse Anesthetist (CRNA) in Nashville, Tennessee. Qualified in 2019, 7 years ago. Practices with Cardiovascular Anesthesiologists PC, a 143-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
7
Licensed in
TN
In the registry since
2019
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

4230 Harding Pike Ste 435
Nashville, TN 37205-4900
Phone: (615) 385-3704
Fax: (615) 292-1321
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 200308 (TN)

Record details

NPI number1427699149
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedOctober 3, 2019
Last updated in NPPESOctober 22, 2021
Certification dateOctober 22, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Cardiovascular Anesthesiologists Pc — 143 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients159
Services billed 160 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Ascension Saint Thomas Hospital Hospital · Nashville, TN · listed as Saint Thomas West Hospital
  • Saint Thomas Hospital For Spinal Surgery Hospital · Nashville, TN

Colleagues at Cardiovascular Anesthesiologists PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 143 clinicians in the practice; 12 are shown here.

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