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

Individual provider Certified Registered Nurse Anesthetist · NPI 1528480845

Anessa Greenwell, CRNA is registered under Certified Registered Nurse Anesthetist (CRNA) in Middletown, Ohio. Qualified in 2013, 13 years ago. Practices with Phs Anesthesia Billing, LLC, a 239-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
13
Licensed in
OH
In the registry since
2014
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

1 Medical Center Dr
Middletown, OH 45005-2584 Not confirmed with CMS for 12 years — call before visiting
Phone: (513) 420-5084
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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 RN.324877 (OH)

Record details

NPI number1528480845
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorYes
NPI enumeratedJanuary 7, 2014
Last updated in NPPESJanuary 7, 2014

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Phs Anesthesia Billing, Llc — 239 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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 patients127
Services billed 134 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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.

Colleagues at Phs Anesthesia Billing, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 239 clinicians in the practice; 12 are shown here.

Other providers in Middletown