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

Greg A. Lillvis, AA

Individual provider Anesthesiologist Assistant · NPI 1184915894

Greg A. Lillvis, AA is an Anesthesiology Assistant in Columbus, Ohio. Qualified in 2011, 15 years ago. Practices with Osu Observation Medicine, LLC, a 419-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
15
Licensed in
OH
In the registry since
2011

Practice location Address checks out

410 W 10th Ave Fl 1
Columbus, OH 43210-1240
Phone: (614) 293-8487
Fax: (614) 293-8153
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiologist Assistant (primary) Taxonomy 367H00000X · Licence 67.000181 (OH)

Record details

NPI number1184915894
Entity typeIndividual (Type 1)
GenderMale
Credentials AA
Sole proprietorNo
NPI enumeratedApril 28, 2011
Last updated in NPPESJuly 14, 2025
Certification dateJuly 14, 2025
Mailing address700 Ackerman Rd Ste 2120, Columbus, OH 43202-1559

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY ASSISTANT
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Osu Observation Medicine, Llc — 419 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Columbus