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

Dr. Timothy Unterreiner, DNP

Individual provider Certified Registered Nurse Anesthetist · NPI 1154214096

Dr. Timothy Unterreiner, DNP is a Certified Registered Nurse Anesthetist (CRNA) in Montgomery, Ohio. Qualified in 2025, 1 year ago. Practices with Anesthesia Group Practice Inc, a 399-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
1
Licensed in
OH
In the registry since
2025
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

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Practice location Address checks out

10500 Montgomery Rd
Montgomery, OH 45242-4402
Phone: (513) 865-1111
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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 APRN.CRNA.0021331 (OH)

Record details

NPI number1154214096
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP
Sole proprietorYes
NPI enumeratedMay 30, 2025
Last updated in NPPESMay 30, 2025
Certification dateMay 30, 2025

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Anesthesia Group Practice Inc — 399 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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