Surgical Volume

Montana: who does the most of each procedure

The top three physicians for each procedure in Montana, by procedures billed to Medicare in 2024.

Joints, bones and spine

Procedure	No. 1	No. 2	No. 3
Knee replacement	Dr. Zachary B. Scheer170 · Billings	Dr. Michael T. Groover157 · Billings	Dr. David H. Allmacher154 · Missoula
Hip replacement	Dr. Michael T. Groover98 · Billings	Dr. Mark A. Channer91 · Missoula	Dr. Daniel R. Whiting87 · Missoula
Shoulder replacement	Dr. Steven J. Klepps105 · Billings	Dr. Richard N. Vinglas81 · Bozeman	Dr. Justin A. Jacobson44 · Missoula
Rotator cuff repair (arthroscopic)	Dr. Larry R. Stayner59 · Missoula	Dr. Steven J. Klepps50 · Billings	Dr. Benjamin D. Ward46 · Kalispell
Carpal tunnel release	Dr. Thomas Owen93 · Billings	Dr. Barry N. Smith84 · Billings	Dr. Scott W. Rogers80 · Kalispell
Trigger finger release	Dr. Barry N. Smith84 · Billings	Dr. Paul A. Puckett72 · Missoula	Dr. Erik Bergquist56 · Helena
Knee arthroscopy (meniscus)	Dr. Guy R. Schmidt26 · Billings	Dr. Gregg D. Pike19 · Great Falls	Dr. Brandon S. Beamer15 · Bozeman
Hip fracture surgery	Dr. Mitchell Rohrback53 · Great Falls	Dr. Richard J. Myers50 · Missoula	Dr. Kyle Lybrand29 · Billings
Kyphoplasty	Dr. Zachary M. Bland12 · Billings
Lumbar spinal fusion	Dr. Anthony W. Roccisano58 · Billings	Dr. Paul J. Miller37 · Great Falls	Dr. Anthony J. Russo31 · Great Falls
Lumbar laminectomy (decompression)	Dr. Paul J. Miller57 · Great Falls	Dr. Zackery W. Witte50 · Missoula	Dr. Frank S. Bishop45 · Kalispell
Neck fusion (ACDF)	Dr. Anthony W. Roccisano21 · Billings	Dr. Carter E. Beck20 · Missoula	Dr. Zackery W. Witte14 · Missoula

Spine pain procedures

Procedure	No. 1	No. 2	No. 3
Spinal cord stimulator	Dr. Ned C. Kneeland72 · Kalispell	Dr. Stuart G. Goodman49 · Billings	Dr. Timothy J. Strigenz28 · Bozeman
Lumbar epidural steroid injection	Dr. Eugene A. Slocum440 · Bozeman	Dr. Christopher T. Caldwell338 · Missoula	Dr. Craig K. Sweeney259 · Great Falls
Radiofrequency ablation (lower back)	Dr. Tyler S. Clark52 · Billings	Dr. Earl S. Healy52 · Billings	Dr. Eugene A. Slocum51 · Bozeman

Eye

Procedure	No. 1	No. 2	No. 3
Cataract surgery	Dr. David A. Boes1,720 · Great Falls	Dr. Russell Swan1,164 · Bozeman	Dr. Chad M. Nedrud514 · Missoula
YAG laser capsulotomy	Dr. David A. Boes532 · Great Falls	Dr. Brian A. Lagreca257 · Billings	Dr. Russell Swan242 · Bozeman
Eye injections (retina)	Dr. Jacek Kotowski3,124 · Missoula	Dr. David W. Switzer2,566 · Billings	Dr. Scott M. Guess2,243 · Missoula
Vitrectomy	Dr. Marc F. Comaratta55 · Bozeman	Dr. Scott M. Guess25 · Missoula	Dr. Aaron M. Alme22 · Kalispell
Retinal detachment repair	Dr. Marc F. Comaratta30 · Bozeman	Dr. Jacek Kotowski20 · Missoula	Dr. Aaron M. Alme13 · Kalispell
SLT laser for glaucoma	Jefferson Berryman103 · Missoula	Dr. William W. Stoddard74 · Kalispell	Dr. Colin P. Mcinnis57 · Bozeman
Glaucoma surgery (goniotomy, trabeculectomy)	Jefferson Berryman39 · Missoula	Dr. Colin P. Mcinnis36 · Bozeman
Laser iridotomy	Dr. James T. Priddy20 · Billings
Upper eyelid surgery (blepharoplasty)	Dr. Jeffrey L. Peckinpaugh68 · Bozeman	Dr. Angela S. Watkins34 · Bozeman	Dr. David P. Mccann34 · Missoula

Skin

Procedure	No. 1	No. 2	No. 3
Mohs surgery	Dr. Eric L. Maranda1,024 · Billings	Dr. Mark S. Jones841 · Billings	Dr. Kristen J. Townley724 · Missoula

Heart

Procedure	No. 1	No. 2	No. 3
TAVR (transcatheter aortic valve)	Dr. Travis O. Abicht109 · Missoula	Dr. James T. Maddux62 · Missoula	Dr. Michael C. Reed56 · Missoula
Open aortic valve replacement	Dr. Joseph D. Schmoker16 · Missoula	Dr. Travis O. Abicht14 · Missoula
Heart bypass (CABG)	Dr. Travis O. Abicht41 · Missoula	Dr. Michael C. Maxwell33 · Bozeman	Dr. Joseph D. Schmoker32 · Missoula
Pacemaker implant	Nicholas A. Mantini114 · Missoula	Dr. Simone Musco97 · Missoula	Dr. Jonathan Brunson63 · Kalispell
Implantable defibrillator (ICD)	Nicholas A. Mantini26 · Missoula	Dr. William F. Dresen21 · Billings	Dr. Anastasios P. Saliaris19 · Billings
Left atrial appendage closure (Watchman)	Dr. William F. Dresen48 · Billings	Dr. Loren P. Budge40 · Billings	Dr. Daniel B. Spoon39 · Missoula
AFib ablation	Nicholas A. Mantini97 · Missoula	Dr. William F. Dresen85 · Billings	Dr. Simone Musco84 · Missoula
Coronary stent	Dr. Michael C. Reed104 · Missoula	Dr. Shunsuke Aoi93 · Billings	Dr. James T. Maddux87 · Missoula
Cardiac catheterization	Dr. James T. Maddux266 · Missoula	Dr. Michael C. Reed251 · Missoula	Dr. Arthur J. Rabinowitz210 · Billings

Arteries and veins

Procedure	No. 1	No. 2	No. 3
Varicose vein ablation	Dr. David H. Bellamah204 · Missoula	Dr. David M. Fortenberry157 · Dillon	Dr. Louis X. Kattine51 · Missoula
Leg artery angioplasty and stenting	Dr. Arne M. Olsen13 · Billings
Carotid endarterectomy	Dr. Michael J. Rohrer15 · Missoula	Dr. Jason R. Hurd14 · Missoula	Dr. John R. Craig13 · Kalispell
Carotid stent	Dr. Vance L. Fredrickson20 · Billings	Dr. Jason R. Hurd11 · Missoula
Dialysis fistula creation	Dr. Bennett J. Dykstra16 · Kalispell

Digestive and general surgery

Procedure	No. 1	No. 2	No. 3
Colonoscopy (diagnostic)	Dr. Michael C. Fischer60 · Billings	Dr. Steven J. Ayres38 · Great Falls	Dr. Andrew P. Gilbert33 · Helena
Colonoscopy with polyp removal	Dr. Andrew Herman260 · Bozeman	Dr. Kevin M. Kolendich249 · Missoula	Dr. Casey J. Kolendich232 · Missoula
Upper endoscopy with biopsy	Dr. Juergen J. Mueller253 · Kalispell	Dr. Philip Jaffe188 · Kalispell	Dr. Keri L. Hill170 · Billings
Gallbladder removal (laparoscopic)	Dr. Dale R. Mortenson29 · Great Falls	Dr. Glenn A. Winslow24 · Great Falls	Dr. Aaron M. Hasenkrug14 · Great Falls
Inguinal hernia repair	Dr. Louis X. Kattine38 · Missoula	Dr. David A. Napoliello27 · Lewistown	Dr. Jeffrey J. Rentz22 · Billings
Lumpectomy	Dr. Melissa L. Kaptanian53 · Kalispell	Dr. John B. Pickhardt32 · Missoula	Dr. Scott H. Dull30 · Billings
Mastectomy	Dr. John B. Pickhardt18 · Missoula

Urology

Procedure	No. 1	No. 2	No. 3
Cystoscopy	Dr. Jason F. Skenazy187 · Bozeman	Dr. Christopher S. Fukuda175 · Great Falls	Dr. Christopher K. Schreiber173 · Billings
Prostate biopsy	Dr. Daniel Swanson67 · Billings	Dr. Christopher K. Schreiber61 · Billings	Dr. Timothy B. Grossman58 · Helena
Prostatectomy (robotic or laparoscopic)	Dr. Christopher K. Schreiber21 · Billings	Dr. Christopher G. Wicher16 · Missoula	Dr. Adam E. Dowell14 · Billings
TURP	Dr. Ruth Blum21 · Billings	Dr. Richard C. Slater15 · Great Falls	Dr. Daniel Swanson15 · Billings
Laser prostate vaporization (GreenLight)	Dr. Christopher S. Fukuda37 · Great Falls
UroLift	Dr. Brian J. Malloy14 · Great Falls
Kidney stone lithotripsy (shock wave)	Dr. Kevin Brown19 · Helena	Dr. Gregory Pritham17 · Bozeman	Dr. Jason F. Skenazy13 · Bozeman
Ureteroscopy with laser	Dr. Adam E. Dowell36 · Billings	Dr. Gregory T. Adams29 · Kalispell	Dr. Daniel Holst26 · Billings

Ear, nose and throat

Procedure	No. 1	No. 2	No. 3
Septoplasty	Dr. Duncan Watley30 · Missoula	Dr. Kent Keele16 · Kalispell	Dr. Kyle J. Tubbs13 · Kalispell