Overview
John Gregg is a General Surgeon and an Emergency Medicine provider in Guthrie, Oklahoma. Dr. Gregg is rated as an Experienced provider by MediFind in the treatment of Cellulitis. His top areas of expertise are Diastasis Recti, Gallstones, Choledocholithiasis, and Gallbladder Disease. Dr. Gregg is currently accepting new patients.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- POS
- MANAGED MEDICAID PLAN
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
Carlos Egas is a General Surgeon in Oklahoma City, Oklahoma. Dr. Egas is rated as an Advanced provider by MediFind in the treatment of Cellulitis. His top areas of expertise are Choledocholithiasis, Cellulitis, End-Stage Renal Disease (ESRD), Hernia Surgery, and Appendectomy.
SSM Health Medical Group
Dr. Svein 'Matti' Holsaeter is a board-certified general surgeon in Oklahoma City, Oklahoma who is originally from Norway and is affiliated with SSM Health St. Anthony Hospital. He received his medical degree from Eberhardt Karls University in Germany and completed his residency at Texas Tech University of Health Sciences Center. Dr. Holsaeter served in the 654th Medical Group at Tinker Air Force Base from 1992 to 1994. He has been in practice for three decades and is a Fellow with the American College of Surgeons. Dr. Holsaeter is an accomplished general surgeon, and he was named an Oklahoma Top Doctor in 2020. He is fluent in German, Norwegian and English. Dr. Holsaeter is rated as an Advanced provider by MediFind in the treatment of Cellulitis. His top areas of expertise are Cellulitis, Gallbladder Disease, Gallstones, Hernia Surgery, and Small Bowel Resection.
SSM Health Medical Group
Theodore Ruff, M.D., General Surgery, has been with SSM Health St. Anthony Hospital - Shawnee since 2017 and serving Midwest City residents since 1998. Prior to joining SSM Health, Dr. Ruff served on the staff at an Edmond, Oklahoma hospital and MD Surgery Center. Dr. Ruff completed his undergraduate degree at Miami University in Oxford, Ohio, and attended medical school at Vanderbilt University in Nashville, Tennessee. He completed his residency at Wright State University in Dayton, Ohio and the Wright-Patterson Air Force Base in Greene County, Ohio. Dr. Ruff was a Major stationed at Tinker Air Force Base in Midwest City, Oklahoma and a Captain for Surgery at Wright-Patterson Air Force Base. He also has over thirteen years of teaching experience at the University of Oklahoma, Department of Family Practice. Dr. Ruff is rated as a Distinguished provider by MediFind in the treatment of Cellulitis. His top areas of expertise are Choledocholithiasis, Cellulitis, Gallstones, Gastrostomy, and Hernia Surgery.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- AcrospiromaDr. Gregg isExperienced. Learn about Acrospiroma.
- Attenuated Familial Adenomatous Polyposis
- CellulitisDr. Gregg isExperienced. Learn about Cellulitis.
- CholecystitisDr. Gregg isExperienced. Learn about Cholecystitis.
- CholedocholithiasisDr. Gregg isExperienced. Learn about Choledocholithiasis.
- Cronkhite-Canada DiseaseDr. Gregg isExperienced. Learn about Cronkhite-Canada Disease.