Digestive and general surgery
Colonoscopy (diagnostic): the highest-volume physicians in the US
6,815 physicians billed Medicare for 168,189 colonoscopy (diagnostic) procedures in 2024. Pick a state for its own table, or read the national top 105.
By state
- Alabama131 physicians · No. 1 Dr. Mohamadali S. Eloubeidi
- Alaska25 physicians · No. 1 Dr. Douglas B. Haghighi
- Arizona133 physicians · No. 1 Dr. Edmundo S. Justino
- Arkansas76 physicians · No. 1 Dr. Karl H. Landberg
- California609 physicians · No. 1 Dr. Long P. Dang
- Colorado76 physicians · No. 1 Dr. Allen J. Schreiber
- Connecticut80 physicians · No. 1 Dr. Thomas A. Rockoff
- Delaware34 physicians · No. 1 Dr. Bradley P. Mackler
- District of Columbia23 physicians · No. 1 Dr. Ira D. Shocket
- Florida477 physicians · No. 1 Dr. Soundarapandian Baskar
- Georgia221 physicians · No. 1 Dr. Jeffrey M. Williams
- Hawaii21 physicians · No. 1 Dr. Mark A. Morisaki
- Idaho30 physicians · No. 1 Dr. Lauren M. Shea
- Illinois303 physicians · No. 1 Dr. Vasantha P. Pai
- Indiana143 physicians · No. 1 Dr. Magdy Z. Rofail
- Iowa55 physicians · No. 1 Dr. Christopher Nicholas
- Kansas86 physicians · No. 1 Dr. Shekhar K. Challa
- Kentucky124 physicians · No. 1 Dr. Michael D. Canty
- Louisiana106 physicians · No. 1 Dr. Bal R. Bhandari
- Maine23 physicians · No. 1 Dr. Daniel Devereaux
- Maryland180 physicians · No. 1 Dr. Raja M. Mohi-Ud-Din
- Massachusetts201 physicians · No. 1 Dr. Kyung H. Kim
- Michigan162 physicians · No. 1 Dr. Mamoon M. Elbedawi
- Minnesota49 physicians · No. 1 Dr. Hassan Azhari
- Mississippi88 physicians · No. 1 Dr. Cynthia H. Wright
- Missouri154 physicians · No. 1 Dr. Michael R. Freeman
- Montana25 physicians · No. 1 Dr. Michael C. Fischer
- Nebraska43 physicians · No. 1 Dr. Armando J. Magana
- Nevada55 physicians · No. 1 Dr. Michael S. Zimmerman
- New Hampshire44 physicians · No. 1 Dr. Robert A. Ruben
- New Jersey243 physicians · No. 1 Dr. John M. Dalena
- New Mexico30 physicians · No. 1 Dr. Daniel L. Ridout
- New York582 physicians · No. 1 Dr. Mark J. Coronel
- North Carolina205 physicians · No. 1 Dr. Steven M. Faber
- North Dakota13 physicians · No. 1 Dr. Ira P. Michaelson
- Ohio277 physicians · No. 1 Dr. Ven Kottapalli
- Oklahoma93 physicians · No. 1 Dr. Douglas C. Miller
- Oregon42 physicians · No. 1 Dr. Gregory F. Winters
- Pennsylvania317 physicians · No. 1 Dr. David Rutta
- Puerto Rico17 physicians · No. 1 Dr. Federico Rodriguez Perez
- Rhode Island31 physicians · No. 1 Dr. Pamela J. Connors
- South Carolina142 physicians · No. 1 Dr. Todd L. Snyder
- South Dakota25 physicians · No. 1 Christopher M. Larson
- Tennessee166 physicians · No. 1 Dr. Kofi W. Nuako
- Texas394 physicians · No. 1 Dr. Yogeshkumar T. Patel
- Utah35 physicians · No. 1 Dr. Umaprasanna S. Karnam
- Vermont12 physicians · No. 1 Dr. Eric L. Asnis
- Virginia188 physicians · No. 1 Dr. Walter W. Immel
- Washington84 physicians · No. 1 Dr. Colin E. Wolslegel
- West Virginia57 physicians · No. 1 Dr. Nitesh Ratnakar
- Wisconsin68 physicians · No. 1 Dr. David A. Stampfl
- Wyoming13 physicians · No. 1 Dr. Raoul Joubran
National top 105
| Rank | Physician | State | 2024 | 2023 | Change |
|---|---|---|---|---|---|
| 1 | Vasantha P. Pai, MDGastroenterology · Belleville | IL | 276 | 232 | +19% |
| 2 | Bradley P. Mackler, MDGastroenterology · Seaford | DE | 267 | 260 | +3% |
| 3 | Long P. Dang, MDGastroenterology · Westminster | CA | 241 | 234 | +3% |
| 4 | Frederick A. Boghossian, MDGastroenterology · Glendale | CA | 240 | 237 | +1% |
| 5 | Walter W. Immel, MDGastroenterology · Springfield | VA | 227 | 207 | +10% |
| 6 | Mark J. Coronel, MDGastroenterology · Manorville | NY | 204 | 202 | +1% |
| 7 | Shekhar K. Challa, MDGastroenterology · Topeka | KS | 200 | 132 | +52% |
| 8 | Shahram Daneshgar, MDGastroenterology · Thousand Oaks | CA | 193 | 190 | +2% |
| 9 | Michael S. Zimmerman, MDGastroenterology · Las Vegas | NV | 190 | 163 | +17% |
| 9 | Joseph M. Duva, MDGastroenterology · Riverhead | NY | 190 | 186 | +2% |
| 11 | Ashokkumar I. Amin, MDInternal Medicine · Anaheim | CA | 185 | 99 | +87% |
| 12 | Moustafa E. Alamy, MDGastroenterology · Paramount | CA | 184 | 151 | +22% |
| 13 | Richard L. Fried, MDGastroenterology · Huntington | NY | 177 | 163 | +9% |
| 14 | Jeffrey M. Williams, MDGastroenterology · Athens | GA | 165 | 341 | −52% |
| 15 | Christopher M. LarsonGeneral Surgery · Aberdeen | SD | 154 | 116 | +33% |
| 16 | Mohamadali S. Eloubeidi, MDGastroenterology · Anniston | AL | 153 | 145 | +6% |
| 17 | Kofi W. Nuako, MDGastroenterology · Union City | TN | 147 | 101 | +46% |
| 17 | Robert B. Moghimi, MDGastroenterology · Simi Valley | CA | 147 | 133 | +11% |
| 17 | Amit A. Choksi, MDGastroenterology · Columbia | TN | 147 | 121 | +21% |
| 20 | Harpal S. Bhaika, MDGastroenterology · Bakersfield | CA | 145 | 148 | −2% |
| 21 | Yogeshkumar T. Patel, MDGastroenterology · Abilene | TX | 143 | 153 | −7% |
| 21 | Sushilkumar M. Tibrewala, MDGastroenterology · Herrin | IL | 143 | 108 | +32% |
| 23 | Hussein El-Newihi, MDGastroenterology · El Centro | CA | 142 | 172 | −17% |
| 24 | Soundarapandian Baskar, MDGastroenterology · Tavares | FL | 139 | 169 | −18% |
| 25 | Sivakumar R. Munnangi, MDGastroenterology · Merced | CA | 138 | 152 | −9% |
| 26 | Kyung H. Kim, MDGastroenterology · Worcester | MA | 137 | 80 | +71% |
| 27 | Jonathan F. WilliamsGastroenterology · Kenilworth | IL | 136 | 117 | +16% |
| 28 | Adam H. Beckerman, MDGastroenterology · Seaford | NY | 134 | 117 | +15% |
| 29 | Steven M. Faber, MD FACGGastroenterology · Elizabeth City | NC | 133 | 177 | −25% |
| 30 | Nasrullah Manji, MDGastroenterology · Sugar Land | TX | 132 | 147 | −10% |
| 31 | Rabinder S. Bhogal, MDInternal Medicine · Bakersfield | CA | 131 | 112 | +17% |
| 31 | Parag J. Lodhavia, MDGastroenterology · Milford | DE | 131 | 154 | −15% |
| 31 | Thomas J. Romano, MDGastroenterology · Liverpool | NY | 131 | 149 | −12% |
| 31 | Pramod Joseph, MDGastroenterology · Fort Pierce | FL | 131 | 144 | −9% |
| 35 | Robert S. Epstein, MDGastroenterology · Wellington | FL | 130 | 135 | −4% |
| 35 | Steven J. Geier, MDGastroenterology · Mineola | NY | 130 | 154 | −16% |
| 37 | Parmod Kumar, MDGastroenterology · Porterville | CA | 126 | 109 | +16% |
| 37 | Pedram J. Enayati, MDGastroenterology · Beverly Hills | CA | 126 | 129 | −2% |
| 39 | Ven Kottapalli, MD, CNSPGastroenterology · Lima | OH | 124 | 122 | +2% |
| 40 | David Magier, MDGastroenterology · Lake Success | NY | 122 | 73 | +67% |
| 40 | David B. PurowGastroenterology · Huntington | NY | 122 | 119 | +3% |
| 42 | Jeffrey H. Sherman, MDGastroenterology · Los Angeles | CA | 121 | 109 | +11% |
| 42 | Todd L. Snyder, MDGastroenterology · North Charleston | SC | 121 | 125 | −3% |
| 44 | David Rutta, MDGastroenterology · Scranton | PA | 120 | 94 | +28% |
| 44 | John W. Homer, MDGastroenterology · Plattsburgh | NY | 120 | 40 | +200% |
| 46 | Farid Naffah, MDGastroenterology · Warren | OH | 118 | 75 | +57% |
| 46 | Barry E. Field, MDGastroenterology · Sleepy Hollow | NY | 118 | 106 | +11% |
| 46 | Gebran Abboud, MDGastroenterology · Johnstown | PA | 118 | — | |
| 49 | Edmundo S. Justino, MDGastroenterology · Prescott | AZ | 117 | 77 | +52% |
| 50 | Raja M. Mohi-Ud-Din, MDGastroenterology · Greenbelt | MD | 116 | 110 | +5% |
| 51 | Arun P. Khazanchi, MDGastroenterology · Lakewood Ranch | FL | 112 | 70 | +60% |
| 51 | Manjakkollai P. Veerabagu, MDGastroenterology · Anderson | SC | 112 | 130 | −14% |
| 53 | Richard A. Blosser, MDGastroenterology · Fairfax | VA | 111 | 26 | +327% |
| 53 | Umapathi P. Reddy, MDGastroenterology · Fresno | CA | 111 | 30 | +270% |
| 53 | Mahomed E. Suliman, MDGastroenterology · El Centro | CA | 111 | 132 | −16% |
| 53 | Ari B. Goldstein, MDGastroenterology · New York | NY | 111 | 114 | −3% |
| 57 | Cynthia H. Wright, MDGastroenterology · Flowood | MS | 110 | 98 | +12% |
| 57 | Nina P. Nelson-Garrett, MDGastroenterology · Montgomery | AL | 110 | 111 | −1% |
| 57 | Peter D. Park, MDGastroenterology · Bel Air | MD | 110 | 167 | −34% |
| 57 | Kevin L. Tack, MDGastroenterology · Manhasset | NY | 110 | 102 | +8% |
| 61 | Fernando Ibarra, MDGastroenterology · Monterey Park | CA | 109 | 91 | +20% |
| 61 | Harvey H. Allen, MDGastroenterology · Utica | NY | 109 | 37 | +195% |
| 61 | Daniel L. Ridout, MDGastroenterology · Roswell | NM | 109 | 171 | −36% |
| 61 | Armine Sarkisian, MDGastroenterology · Glendale | CA | 109 | 159 | −31% |
| 61 | Paul A. Johnson, MDGastroenterology · Salina | KS | 109 | 118 | −8% |
| 66 | John M. Dalena, MDGastroenterology · Florham Park | NJ | 108 | 107 | +1% |
| 66 | Kelly J. Ocallahan, MDGastroenterology · Worcester | MA | 108 | 67 | +61% |
| 66 | Asheesh Sood, MDGastroenterology · Abingdon | MD | 108 | 162 | −33% |
| 66 | Beth A. Moore, MDColorectal Surgery (Proctology) · West Hollywood | CA | 108 | 114 | −5% |
| 70 | Manver Razick, MDGastroenterology · Florence | SC | 107 | 81 | +32% |
| 70 | Charles Berkelhammer, MDGastroenterology · Oak Lawn | IL | 107 | 138 | −22% |
| 70 | Tan D. Tran, MDGastroenterology · Manteca | CA | 107 | 105 | +2% |
| 70 | Mamoon M. Elbedawi, MDGastroenterology · Flint | MI | 107 | 145 | −26% |
| 74 | Tung T. Tran, MDGastroenterology · Denison | TX | 106 | 39 | +172% |
| 74 | Douglas C. Miller, MDGeneral Surgery · Duncan | OK | 106 | 108 | −2% |
| 76 | Richard M. Troum, DOGastroenterology · Cape May Court House | NJ | 105 | 120 | −12% |
| 76 | Theodore G. Gourdin, MDGastroenterology · Charleston | SC | 105 | 100 | +5% |
| 78 | Justin Yamin, MDGastroenterology · Worcester | MA | 104 | 96 | +8% |
| 78 | Natalie A. Pavelock, MDGastroenterology · Utica | NY | 104 | 42 | +148% |
| 78 | Frederick A. Corder, MDGastroenterology · Corinth | MS | 104 | 86 | +21% |
| 78 | Morris R. Hanan, MDGastroenterology · Tampa | FL | 104 | 113 | −8% |
| 82 | Bachar Hamad, MDGastroenterology · Joliet | IL | 103 | 99 | +4% |
| 83 | Lauren M. Shea, MDGastroenterology · Boise | ID | 102 | 132 | −23% |
| 83 | Ivaylo A. Vagliarsky, MDInternal Medicine · Bakersfield | CA | 102 | 110 | −7% |
| 83 | Bikram S. BalGastroenterology · Farmville | VA | 102 | 102 | +0% |
| 86 | Corina Serer, MDGastroenterology · Seaford | NY | 101 | 152 | −34% |
| 86 | Tabassum A. Chowdhury, MDGastroenterology · Bakersfield | CA | 101 | 99 | +2% |
| 88 | Terri L. Jaggers, MDGastroenterology · Florence | SC | 100 | 103 | −3% |
| 89 | Hal N. Buch, MDGastroenterology · Kingston | NY | 99 | 123 | −20% |
| 89 | Michael R. Freeman, MDGastroenterology · Cape Girardeau | MO | 99 | 135 | −27% |
| 89 | Eshagh I. Faraji, MDGastroenterology · Turlock | CA | 99 | 69 | +43% |
| 92 | David Ring, MDGeneral Surgery · Aberdeen | SD | 98 | 85 | +15% |
| 93 | Ira P. Michaelson, MDGastroenterology · Minot | ND | 97 | 122 | −20% |
| 93 | Victor C. Nwakakwa, MDGastroenterology · Lakeland | FL | 97 | 114 | −15% |
| 95 | Karl H. Landberg, MDGastroenterology · Conway | AR | 96 | 111 | −14% |
| 95 | Andrew M. Goldenberg, MDGastroenterology · Pomona | NY | 96 | 124 | −23% |
| 97 | Charles A. Albert, MDGastroenterology · Port Jefferson Station | NY | 94 | 81 | +16% |
| 97 | Nimesh Khatri, MDGastroenterology · Waldorf | MD | 94 | 77 | +22% |
| 99 | Jan Barrios, MDGastroenterology · Naples | FL | 93 | 87 | +7% |
| 99 | Donald R. Abrahm, MDGastroenterology · Newport Beach | CA | 93 | 72 | +29% |
| 99 | Farzad Forohar, MDGastroenterology · Smithtown | NY | 93 | 98 | −5% |
| 99 | David T. Wortham, MDGastroenterology · Anderson | SC | 93 | 119 | −22% |
| 99 | Domingo E. GallianoColorectal Surgery (Proctology) · Port Charlotte | FL | 93 | 75 | +24% |
| 99 | Vipul T. Amin, MDGastroenterology · Gadsden | AL | 93 | 88 | +6% |
| 99 | Dhiren C. Mehta, MDGastroenterology · East Moriches | NY | 93 | 79 | +18% |
Codes counted: CPT 45378. Procedures billed in 2024, all places of service, Medicare fee-for-service. CMS withholds counts under 11.