Practice address
4790 Executive Centre Pkwy
Saint Peters, MO 63376
This is the address of Midwest Ent Centre, PC.
St. Charles County is a federal mental health shortage area; it also includes dental (16% of residents) shortage areas. About shortage areas
At a glance
- Clinicians registered here
- 13
- Physicians (MD and DO)
- 6
- Specialties
- 3
- Industry payments to them, 2025
- $2,588
Specialties here
Who practices here
13 clinicians
- Benjamin M. Conoyer, M.D. ENT (Otolaryngology)
- Heather E. Phillips, AUD Audiologists
- John M. Conoyer, M.D. ENT (Otolaryngology)
- Karen E. Boone, M.D. ENT (Otolaryngology)
- Kathryn Phillippe Audiologists
- Martin L. Willman, M.D. ENT (Otolaryngology)
- Mary E. Rice, AU.D. Audiologists
- Matthew P. Page, MD ENT (Otolaryngology)
- Olga Downs, FNP Nurse Practitioners
- Robert R. Mac Donald, M.D. ENT (Otolaryngology)
- Sandi H. Fontecchio, AU.D. Audiologists
- Taylor J. Park, FNP Nurse Practitioners
- Trisha K. Hackman Audiologists
Hospitals and medical groups at this address
From Medicare Care Compare. Numbers on the right are each organization’s clinicians in total.
Industry payments
Drug and device makers reported $2,588 in general payments to 6 clinicians at this address in 2025.
- Robert R. Mac Donald, M.D. $1,759
- Benjamin M. Conoyer, M.D. $380
- Olga Downs, FNP $163
- Taylor J. Park, FNP $149
- Matthew P. Page, MD $91
- Karen E. Boone, M.D. $47
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Organizations registered here
- Midwest Ent Centre, PC ENT (Otolaryngology)
Sources: CMS NPPES NPI Registry (who is registered at this address, as each clinician reported it), Medicare Care Compare (hospitals and groups), CMS Open Payments 2025. Addresses can be out of date; call before visiting.