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![Raghuram Posham, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/8bab6510-bad5-11ee-b99f-eb08329d9579.jpg?itok=70vPAAa7 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/8bab6510-bad5-11ee-b99f-eb08329d9579.jpg?itok=zvYkBwR- 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/8bab6510-bad5-11ee-b99f-eb08329d9579.jpg?itok=HRTih6KD 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/8bab6510-bad5-11ee-b99f-eb08329d9579.jpg?itok=P5I37fVr 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/8bab6510-bad5-11ee-b99f-eb08329d9579.jpg?itok=3bVrGnlX 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/8bab6510-bad5-11ee-b99f-eb08329d9579.jpg?itok=-bmDAhH3 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/8bab6510-bad5-11ee-b99f-eb08329d9579.jpg?itok=qjBop1Hg 800w)
Departments/Divisions
Department of Radiology, Division of Interventional Radiology
Accepting New Patients
Specialties
Vascular and Interventional Radiology, Radiology
Academic Appointments
- Assistant Professor of Radiology
Primary Location
CUIMC/Milstein Hospital Building
177 Ft. Washington Avenue
New York, NY 10032
Schedule an Appointment
New and Existing Patients:
![Martin R. Prince, M.D.,Ph.D. Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/da0c3290-e43a-11ea-b36a-8fee6221969c.jpg?itok=trroom7t 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/da0c3290-e43a-11ea-b36a-8fee6221969c.jpg?itok=IZ3w-tpl 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/da0c3290-e43a-11ea-b36a-8fee6221969c.jpg?itok=qXZ6aDI2 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/da0c3290-e43a-11ea-b36a-8fee6221969c.jpg?itok=gFA0OGVf 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/da0c3290-e43a-11ea-b36a-8fee6221969c.jpg?itok=vQcuuyJk 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/da0c3290-e43a-11ea-b36a-8fee6221969c.jpg?itok=tQYLThqI 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/da0c3290-e43a-11ea-b36a-8fee6221969c.jpg?itok=2mw2Lbq7 800w)
Departments/Divisions
Department of Radiology, Division of Abdominal Imaging
Accepting New Patients
Specialties
Diagnostic Radiology
Academic Appointments
- Professor of Radiology at Weill Cornell Medical College
![Michael J Rasiej, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/95dd5d10-e43a-11ea-b36a-8fee6221969c.jpg?itok=YBGswmTJ 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/95dd5d10-e43a-11ea-b36a-8fee6221969c.jpg?itok=LBU58uC1 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/95dd5d10-e43a-11ea-b36a-8fee6221969c.jpg?itok=NcQ-l3mI 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/95dd5d10-e43a-11ea-b36a-8fee6221969c.jpg?itok=ABecrOx9 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/95dd5d10-e43a-11ea-b36a-8fee6221969c.jpg?itok=fudbvJBY 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/95dd5d10-e43a-11ea-b36a-8fee6221969c.jpg?itok=oPJL7ek7 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/95dd5d10-e43a-11ea-b36a-8fee6221969c.jpg?itok=_VrTN6jf 800w)
Departments/Divisions
Department of Radiology, Division of Musculoskeletal Radiology
Accepting New Patients
Specialties
Diagnostic Radiology
Academic Appointments
- Associate Professor of Radiology at CUIMC
Primary Location
ColumbiaDoctors - Midtown
51 West 51st Street
New York, NY 10019
![Stephen P. Reis, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/982c9710-e4a4-11ea-9739-29851ef36139.jpg?itok=CpWYVCxw 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/982c9710-e4a4-11ea-9739-29851ef36139.jpg?itok=Cjvzy4kU 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/982c9710-e4a4-11ea-9739-29851ef36139.jpg?itok=UaodRHVJ 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/982c9710-e4a4-11ea-9739-29851ef36139.jpg?itok=zGevu4YW 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/982c9710-e4a4-11ea-9739-29851ef36139.jpg?itok=uonrQNI8 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/982c9710-e4a4-11ea-9739-29851ef36139.jpg?itok=6kiWkeUu 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/982c9710-e4a4-11ea-9739-29851ef36139.jpg?itok=Jbi3Ig9x 800w)
Departments/Divisions
Department of Radiology, Division of Interventional Radiology
Accepting New Patients
Specialties
Diagnostic Radiology, Vascular and Interventional Radiology
Academic Appointments
- Associate Professor of Radiology at CUMC
Location
ColumbiaDoctors - Tarrytown
155 White Plains Road
Tarrytown, NY 10591
Schedule an Appointment
New and Existing Patients:
![Regina L. Ross, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/0e9c0a00-e4a7-11ea-b36a-8fee6221969c.jpg?itok=3nRfVKGc 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/0e9c0a00-e4a7-11ea-b36a-8fee6221969c.jpg?itok=EH4vft_a 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/0e9c0a00-e4a7-11ea-b36a-8fee6221969c.jpg?itok=8ueZ4aEk 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/0e9c0a00-e4a7-11ea-b36a-8fee6221969c.jpg?itok=yIDYfZBd 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/0e9c0a00-e4a7-11ea-b36a-8fee6221969c.jpg?itok=NzVbJKxG 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/0e9c0a00-e4a7-11ea-b36a-8fee6221969c.jpg?itok=pAv8ED2L 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/0e9c0a00-e4a7-11ea-b36a-8fee6221969c.jpg?itok=UevNN1tZ 800w)
Departments/Divisions
Department of Radiology, Division of Neuroradiology
Accepting New Patients
Specialties
Diagnostic Radiology, Neuroradiology
Academic Appointments
- Assistant Professor of Radiology at CUMC
Primary Location
CUIMC/Milstein Hospital Building
177 Ft. Washington Avenue
New York, NY 10032
![Guy W. Ross, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/114a2e30-e3a3-11ea-a22f-d385b4d8c094.jpg?itok=git7dBpQ 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/114a2e30-e3a3-11ea-a22f-d385b4d8c094.jpg?itok=DF7LRcN8 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/114a2e30-e3a3-11ea-a22f-d385b4d8c094.jpg?itok=sTuayUxo 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/114a2e30-e3a3-11ea-a22f-d385b4d8c094.jpg?itok=lVO_-HFo 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/114a2e30-e3a3-11ea-a22f-d385b4d8c094.jpg?itok=jKclEdzz 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/114a2e30-e3a3-11ea-a22f-d385b4d8c094.jpg?itok=JrRn2Gyl 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/114a2e30-e3a3-11ea-a22f-d385b4d8c094.jpg?itok=Asp9BP_4 800w)
Departments/Divisions
Department of Radiology, Division of Neuroradiology
Accepting New Patients
Specialties
Diagnostic Radiology
Academic Appointments
- Assistant Professor of Radiology at CUMC
Location
CUIMC/Presbyterian Hospital and Vanderbilt Clinic
622 West 168th Street
New York, NY 10032
![Carrie B. Ruzal-Shapiro, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/1a6f61a0-e1ec-11ea-9bec-bb4017b1f11a.jpg?itok=qpbtWUPj 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/1a6f61a0-e1ec-11ea-9bec-bb4017b1f11a.jpg?itok=iLaUzgRv 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/1a6f61a0-e1ec-11ea-9bec-bb4017b1f11a.jpg?itok=jkW1Omq4 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/1a6f61a0-e1ec-11ea-9bec-bb4017b1f11a.jpg?itok=1Q1G_98w 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/1a6f61a0-e1ec-11ea-9bec-bb4017b1f11a.jpg?itok=w_PpxcRL 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/1a6f61a0-e1ec-11ea-9bec-bb4017b1f11a.jpg?itok=VGZA_tlw 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/1a6f61a0-e1ec-11ea-9bec-bb4017b1f11a.jpg?itok=gJ377yUU 800w)
Departments/Divisions
Department of Radiology, Division of Pediatric Radiology
Accepting New Patients
Treats Children
Specialties
Diagnostic Radiology, Pediatric Radiology
Academic Appointments
- Professor of Radiology at CUMC
Primary Location
CUIMC/Presbyterian Hospital and Vanderbilt Clinic
622 West 168th Street
New York, NY 10032
![Mary M. Salvatore, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/29d851a0-f9ed-11eb-9ca7-e54f6b0568af.jpg?itok=nWtV7y_J 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/29d851a0-f9ed-11eb-9ca7-e54f6b0568af.jpg?itok=3GN7RgXY 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/29d851a0-f9ed-11eb-9ca7-e54f6b0568af.jpg?itok=2FocBZiu 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/29d851a0-f9ed-11eb-9ca7-e54f6b0568af.jpg?itok=azyUabCq 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/29d851a0-f9ed-11eb-9ca7-e54f6b0568af.jpg?itok=o2IHI283 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/29d851a0-f9ed-11eb-9ca7-e54f6b0568af.jpg?itok=yNHuGuMI 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/29d851a0-f9ed-11eb-9ca7-e54f6b0568af.jpg?itok=dKTpFjiz 800w)
Departments/Divisions
Department of Radiology, Division of Cardiothoracic Imaging
Accepting New Patients
Specialties
Diagnostic Radiology
Academic Appointments
- Professor of Radiology at CUMC
Primary Location
CUIMC/Presbyterian Hospital and Vanderbilt Clinic
622 West 168th Street
New York, NY 10032
![Thillai Sekar, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/3aa738e0-e50b-11ea-8133-8982c3ba1fe4.jpg?itok=op6CofKl 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/3aa738e0-e50b-11ea-8133-8982c3ba1fe4.jpg?itok=o-67ZoLK 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/3aa738e0-e50b-11ea-8133-8982c3ba1fe4.jpg?itok=zfMaUIPX 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/3aa738e0-e50b-11ea-8133-8982c3ba1fe4.jpg?itok=dWzSf1ZN 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/3aa738e0-e50b-11ea-8133-8982c3ba1fe4.jpg?itok=TAHa-aMD 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/3aa738e0-e50b-11ea-8133-8982c3ba1fe4.jpg?itok=jD_k8riI 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/3aa738e0-e50b-11ea-8133-8982c3ba1fe4.jpg?itok=IiI2I5U9 800w)
Departments/Divisions
Department of Radiology, Division of Abdominal Imaging
Accepting New Patients
Specialties
Diagnostic Radiology
Academic Appointments
- Assistant Professor of Radiology at CUMC
Primary Location
CUIMC/Presbyterian Hospital and Vanderbilt Clinic
622 West 168th Street
New York, NY 10032
![Hiram Shaish, MD Profile Headshot](https://www.columbiaradiology.org/sites/default/files/styles/cola_media_200/public/cups-profile/headshot/6ee3b280-e4ae-11ea-b36a-8fee6221969c.jpg?itok=ns9ZBqrY 200w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_260/public/cups-profile/headshot/6ee3b280-e4ae-11ea-b36a-8fee6221969c.jpg?itok=dC0VwS5j 260w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_320/public/cups-profile/headshot/6ee3b280-e4ae-11ea-b36a-8fee6221969c.jpg?itok=_-XoaCZw 320w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_400/public/cups-profile/headshot/6ee3b280-e4ae-11ea-b36a-8fee6221969c.jpg?itok=dE4hgxmQ 400w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_520/public/cups-profile/headshot/6ee3b280-e4ae-11ea-b36a-8fee6221969c.jpg?itok=Xb44ye_Y 520w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_640/public/cups-profile/headshot/6ee3b280-e4ae-11ea-b36a-8fee6221969c.jpg?itok=y_vvaC0G 640w, https://www.columbiaradiology.org/sites/default/files/styles/cola_media_800/public/cups-profile/headshot/6ee3b280-e4ae-11ea-b36a-8fee6221969c.jpg?itok=aio9h6ZS 800w)
Departments/Divisions
Department of Radiology, Division of Abdominal Imaging
Accepting New Patients
Specialties
Diagnostic Radiology
Research Interests
CT urography, Prostate MRI, Statistical Machine Learning
Academic Appointments
- Assistant Professor of Radiology at CUMC
Primary Location
CUIMC/Presbyterian Hospital and Vanderbilt Clinic
622 West 168th Street
New York, NY 10032