Practice address
950 N Porter Ave
Norman, OK 73071
This is the address of Mercy Clinic Oklahoma Communities.
At a glance
- Clinicians registered here
- 10
- Physicians (MD and DO)
- 8
- Specialties
- 3
- Industry payments to them, 2025
- $1,464
Specialties here
Who practices here
10 clinicians
- Christian C. Sieck, M.D. Family Medicine · Suite 300
- John M. Krodel, M.D. Internal Medicine · Suite 300
- Jonathan A. Bryan, D.O. Internal Medicine · Suite 300
- Katie E. Dumas, APRN-CNP Nurse Practitioners
- Lydia R. Ballard, M.D. Internal Medicine · Suite #300
- Michelle D. Barnes, MD Family Medicine · Suite 300
- Myrna Udell, A.R.N.P Nurse Practitioners · Suite 300
- Paul L. Plusquellec JR., M.D. Internal Medicine · Suite 300
- Stephen E. Connery, MD Family Medicine · Suite300
- Thomas Merrill, M.D. Internal Medicine · Suite 300
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 $1,464 in general payments to 9 clinicians at this address in 2025.
- Katie E. Dumas, APRN-CNP $441
- Thomas Merrill, M.D. $293
- John M. Krodel, M.D. $186
- Jonathan A. Bryan, D.O. $161
- Lydia R. Ballard, M.D. $137
- Stephen E. Connery, MD $119
- Michelle D. Barnes, MD $47
- Paul L. Plusquellec JR., M.D. $46
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Organizations registered here
- Norman Clinic Inc Internal Medicine
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 Addresses can be out of date; call before visiting.