ON CALL SPECIALISTS MEDICAL GROUP OF SAN DIEGO INC
PAC 7911395231 Physician groupWho's billing in this group, plus the paid volume analytics · CY2024
Clinician makeup · CY2024Billed 88 of the group's 165 codes this year, across 1 state (CY2024).
The full analytics for this group
PremiumThe billed-volume rank, trajectory, and economics behind this group — computed on the same disclosed Medicare Part B data.
- Per-code payment breakdown & avg $/service — dollars behind the volume
- Beneficiary-episode volume — reach, not just service counts
- Office vs. facility setting mix — place-of-service code split
- National billed-volume rank — percentile, cohort & year disclosed
- Size-peer billed-volume benchmark — vs. groups of similar size
- Top-3 clinician share — how volume distributes
- 5-year volume trend — direction across the window
- Business mix — largest codes by payment
Rank and benchmark figures are billed-volume positions among peers, not measures of care. All figures attributed (single-group clinicians) and disclosed Medicare Part B fee-for-service.
Notify me at launch → Or see a live example group page →Provider volumes, all codes · CY2024
| NPI | Provider | Credentials | Type | City | St | Services (all codes) locked column |
|---|---|---|---|---|---|---|
| 1548605843 | Khan, Fahad | MD | Ophthalmology | San Diego | CA | premium |
| 1528164753 | Williams, Jeffrey | M.D. | Cardiology | San Diego | CA | premium |
| 1841219482 | Miya, Gary | M.D | Otolaryngology | San Diego | CA | premium |
| 1700083391 | Chauhan, Smit | MD MPH | Psychiatry | San Diego | CA | premium |
| 1760479786 | Al-Jasim, Mohammed | MD | Infectious Disease | El Centro | CA | premium |
| 1790828754 | Torchinsky, Cyrus | M.D. | Otolaryngology | San Diego | CA | premium |
| 1477934909 | Que, Howie | Podiatry | Encinitas | CA | premium | |
| 1174679047 | Olaya, Yanira | M.D. | Psychiatry | San Diego | CA | premium |
| 1316244841 | Kazanchi, Hala | MD | Neuropsychiatry | San Diego | CA | premium |
| 1780664250 | Longobardi, James | DPM | Podiatry | Chula Vista | CA | premium |
| 1265582605 | Martin, Frederic | M.D. | Neurology | San Diego | CA | premium |
| 1366403321 | Koumjian, Michael | MD | Cardiac Surgery | La Mesa | CA | premium |
| 1487696878 | Tadros, Emad | MD | Psychiatry | San Diego | CA | premium |
| 1770594616 | Lian, Thomas | M.D. | Psychiatry | San Diego | CA | premium |
| 1841235645 | Isho, Mathew | MD | General Surgery | San Diego | CA | premium |
| 1487617627 | Sise, Michael | M.D. | Vascular Surgery | San Diego | CA | premium |
| 1336102359 | Grisolia, James | M.D.INC | Neurology | San Diego | CA | premium |
| 1992892707 | Pratha, Vijayalakshmi | MD | Gastroenterology | San Diego | CA | premium |
| 1447464912 | Cubas, Ivan | MD | Gastroenterology | Chula Vista | CA | premium |
| 1881642098 | Kuhn, Kevin | M.D. | Orthopedic Surgery | San Diego | CA | premium |
| 1215081328 | Zapatel, Jorge | MD | Psychiatry | Encinitas | CA | premium |
| 1922023720 | Zauner, Alois | MD | Neurosurgery | San Diego | CA | premium |
| 1538132881 | Mikhail, Iman | MD | Gastroenterology | National City | CA | premium |
| 1720014038 | Langenberg, Bret | DO, FACS | General Surgery | San Diego | CA | premium |
| 1962815100 | Quacinella, Michael | Orthopedic Surgery | San Diego | CA | premium | |
| 1225018880 | Arcovedo, Rodolfo · member of 3 groups | M.D. | General Surgery | Chula Vista | CA | premium |
| 1326266081 | Ballon-Landa, Gonzalo · member of 2 groups | M.D. | Infectious Disease | San Diego | CA | premium |
| 1194889410 | Bansal, Vishal · member of 2 groups | M.D. | Critical Care (Intensivists) | San Diego | CA | premium |
| 1043299100 | Barrera, Hugo · member of 3 groups | M.D. | General Surgery | Chula Vista | CA | premium |
| 1568723922 | Barvalia, Mihir · member of 4 groups | MD | Cardiology | El Cajon | CA | premium |
| 1952363038 | Bawa, Maneesh · member of 3 groups | M.D. | Orthopedic Surgery | San Diego | CA | premium |
| 1972921088 | Bhatt, Jiken · member of 3 groups | MD | Cardiology | San Diego | CA | premium |
| 1295296150 | Brookshier, Trent · member of 2 groups | DPM | Podiatry | San Diego | CA | premium |
| 1427475318 | Campos, Melissa · member of 3 groups | M.D. | Family Practice | Chula Vista | CA | premium |
| 1720350465 | Chandradas, Sajiv · member of 3 groups | M.D. | Gastroenterology | San Diego | CA | premium |
| 1043258429 | Chaudhri, Yashwant · member of 2 groups | M.D. | Psychiatry | Santee | CA | premium |
| 1508124918 | Chavakula, Vamsidhar · member of 3 groups | MD | Neurosurgery | San Diego | CA | premium |
| 1295224905 | Chavez, Luis · member of 2 groups | MD | Internal Medicine | San Diego | CA | premium |
| 1255591020 | Choi, Anthony · member of 3 groups | M.D. | Cardiology | San Diego | CA | premium |
| 1972517910 | Chung, Kiyon · member of 2 groups | MD | Cardiology | San Diego | CA | premium |
| 1326061318 | Coskun, Derya · member of 2 groups | MD | Neurology | Chula Vista | CA | premium |
| 1821144718 | Cox, Justin · member of 4 groups | M.D. | Interventional Cardiology | San Diego | CA | premium |
| 1851652309 | Cullen, Benjamin · member of 2 groups | D.P.M. | Podiatry | San Diego | CA | premium |
| 1699917096 | Cummins, Andrew · member of 2 groups | M.D. | Gastroenterology | San Diego | CA | premium |
| 1922263466 | Dawood, Farah · member of 4 groups | MD MS | Cardiology | Chula Vista | CA | premium |
| 1144425687 | Dicks, Brian · member of 2 groups | M.D. | Urology | San Diego | CA | premium |
| 1326466137 | Dieffenbach, Bryan · member of 2 groups | M.D. | Vascular Surgery | San Diego | CA | premium |
| 1962418889 | Diggs, Thomas · member of 3 groups | M.D. | Cardiology | San Diego | CA | premium |
| 1891743910 | Donaldson, Chadwick · member of 3 groups | MD, MS, MPH | Otolaryngology | Camp Pendleton | CA | premium |
| 1174553697 | Dromsky, David · member of 3 groups | MD | Orthopedic Surgery | Dallas | TX | premium |
| 1013976612 | Dubois, Suja · member of 2 groups | MD | Gastroenterology | San Diego | CA | premium |
| 1588027700 | Duran, Antonio · member of 3 groups | M.D | Cardiology | Chula Vista | CA | premium |
| 1043369416 | Ewbank, Clifton · member of 3 groups | M.D. | General Surgery | Chula Vista | CA | premium |
| 1326240805 | Fabi, David · member of 3 groups | M.D. | Orthopedic Surgery | San Diego | CA | premium |
| 1073768891 | Fernandez, Genaro · member of 4 groups | MD | Cardiology | El Cajon | CA | premium |
| 1881789196 | Friedman, Richard · member of 2 groups | M.D. | Cardiology | San Diego | CA | premium |
| 1790084143 | Garibyan, Vartan · member of 2 groups | Cardiology | San Diego | CA | premium | |
| 1992769194 | Giurgiu, Dan · member of 2 groups | MD | General Surgery | San Diego | CA | premium |
| 1245326883 | Glassman, Jerrold · member of 2 groups | M.D. | Cardiology | San Diego | CA | premium |
| 1467429191 | Gollapudi, Raghava · member of 4 groups | M.D. | Interventional Cardiology | San Diego | CA | premium |
| 1477879823 | Gollogly, Heidrun · member of 2 groups | M.D. | Ophthalmology | La Mesa | CA | premium |
| 1639523228 | Hai, Faizi · member of 5 groups | MD | Gastroenterology | San Diego | CA | premium |
| 1013022615 | Hassankhani, Alborz · member of 3 groups | Cardiology | La Mesa | CA | premium | |
| 1225395734 | Hauff, Samantha · member of 2 groups | MD | Otolaryngology | San Diego | CA | premium |
| 1235559436 | Hean, Sindalisa · member of 2 groups | Infectious Disease | Long Beach | CA | premium | |
| 1396786406 | Hess, Jason · member of 3 groups | M.D. | Plastic and Reconstructive Surgery | San Diego | CA | premium |
| 1861747396 | Holden, Marc · member of 2 groups | MD | Urology | San Diego | CA | premium |
| 1912051715 | Hosein, Nadeen · member of 2 groups | M.D. | Endocrinology | San Diego | CA | premium |
| 1912968389 | Hsu, Bradford · member of 3 groups | M.D. | General Surgery | Chula Vista | CA | premium |
| 1730185760 | Huang, Mark · member of 3 groups | M.D. | Thoracic Surgery | Chula Vista | CA | premium |
| 1063551000 | Huisa, Branko · member of 2 groups | M.D. | Neurology | Temecula | CA | premium |
| 1841362241 | Islami Manuchehry, Mohammad · member of 2 groups | MD | Thoracic Surgery | El Cajon | CA | premium |
| 1972513695 | Iturbe, Ignacio · member of 2 groups | M.D. | Hematology-Oncology | Chula Vista | CA | premium |
| 1609033182 | Jackson, Gavin · member of 2 groups | M.D. | Endocrinology | San Diego | CA | premium |
| 1366471096 | Jaibaji, Moneer · member of 2 groups | M.D. | Plastic and Reconstructive Surgery | La Mesa | CA | premium |
| 1437543733 | Kagan, Calvin · member of 3 groups | MD, MPH | Clinical Cardiac Electrophysiology | San Diego | CA | premium |
| 1891997631 | Karches, Kelli · member of 2 groups | M.D., MPH | Endocrinology | San Diego | CA | premium |
| 1609979871 | Karippot, Anoop · member of 2 groups | MD | Psychiatry | San Diego | CA | premium |
| 1306367354 | Kasir, Rafid · member of 3 groups | MD | Orthopedic Surgery | San Diego | CA | premium |
| 1568479392 | Keramati, Shahin · member of 2 groups | M.D. | Cardiology | San Diego | CA | premium |
| 1154504900 | Khan, Hashim · member of 4 groups | M.D | Internal Medicine | San Diego | CA | premium |
| 1124220157 | Khanna, Surabhi · member of 3 groups | M.D | Rheumatology | San Diego | CA | premium |
| 1275793929 | Kidder, Brendan · member of 3 groups | MD | Family Practice | National City | CA | premium |
| 1558715110 | Kim, Ki-Yoon · member of 3 groups | M.D. | Gastroenterology | San Diego | CA | premium |
| 1407817430 | Kopp, Franz · member of 3 groups | M.D. | Orthopedic Surgery | San Diego | CA | premium |
| 1407173149 | Koura, Shawn · member of 2 groups | M.D. | Infectious Disease | Chula Vista | CA | premium |
| 1700848397 | Krosner, Seth · member of 2 groups | M.D. | Vascular Surgery | San Diego | CA | premium |
| 1164626594 | Krzyzaniak, Michael · member of 2 groups | M.D. | Emergency Medicine | San Diego | CA | premium |
| 1396185161 | Kusnezov, Nicholas · member of 4 groups | M.D. | Orthopedic Surgery | San Diego | CA | premium |
| 1437348919 | Lee, Ryan · member of 2 groups | DPM | Podiatry | San Diego | CA | premium |
| 1760687925 | Liebig, Jonathan · member of 3 groups | M.D. | General Surgery | Las Vegas | NV | premium |
| 1326280231 | Mai, Tuan · member of 3 groups | M.D. | Clinical Cardiac Electrophysiology | San Diego | CA | premium |
| 1801884523 | Malik, Sudhir · member of 2 groups | MD | Neurology | San Diego | CA | premium |
| 1235379207 | Modena, Brian · member of 2 groups | M.D., MSC | Allergy/ Immunology | La Jolla | CA | premium |
| 1720426190 | Moral, John Alec · member of 3 groups | M.D. | General Surgery | Chula Vista | CA | premium |
| 1770804171 | Morgan, Craig · member of 2 groups | DPM | Podiatry | Chula Vista | CA | premium |
| 1467557454 | Mullvain, Jeffrey · member of 2 groups | MD | Cardiology | San Diego | CA | premium |
| 1144535709 | Narula, Arvin · member of 4 groups | MD | Interventional Cardiology | San Diego | CA | premium |
| 1043246531 | Nayak, Keshav · member of 3 groups | M.D. | Interventional Cardiology | San Diego | CA | premium |
| 1023064102 | Newmark, Noreen · member of 2 groups | MD | Psychiatry | Chula Vista | CA | premium |
| 1184785016 | Nguyen, Lan · member of 2 groups | D.O. | Orthopedic Surgery | San Diego | CA | premium |
| 1366720211 | Omran, Jad · member of 5 groups | MD | Interventional Cardiology | La Jolla | CA | premium |
| 1407997406 | Pandhi, Jay · member of 3 groups | MD | Cardiology | National City | CA | premium |
| 1225000532 | Patel, Jigar · member of 3 groups | D.O. | Clinical Cardiac Electrophysiology | San Diego | CA | premium |
| 1316199326 | Patel, Sarjan · member of 3 groups | M.D. | Ophthalmology | San Diego | CA | premium |
| 1801003694 | Pe, Mark-Rally · member of 2 groups | M.D. | Urology | San Diego | CA | premium |
| 1215018403 | Peck, Kimberly · member of 2 groups | MD | General Surgery | San Diego | CA | premium |
| 1811054604 | Price, Erin · member of 2 groups | MD | General Surgery | San Diego | CA | premium |
| 1881190767 | Rasul, Laila · member of 2 groups | Otolaryngology | Chula Vista | CA | premium | |
| 1861928921 | Reddy, Laya · member of 2 groups | M.D. | Infectious Disease | San Diego | CA | premium |
| 1871912808 | Rice, Brittany · member of 2 groups | DPM | Podiatry | San Diego | CA | premium |
| 1164405528 | Riker, David · member of 2 groups | MD | Pulmonary Disease | San Diego | CA | premium |
| 1588648968 | Rosenfield, A. · member of 2 groups | M.D. | Orthopedic Surgery | La Jolla | CA | premium |
| 1053859678 | Said, Mena · member of 3 groups | MD | Otolaryngology | San Diego | CA | premium |
| 1366459190 | Salami, Ali · member of 3 groups | M.D. | Cardiology | San Diego | CA | premium |
| 1891700340 | Salami, Bobak · member of 3 groups | M.D. | Internal Medicine | San Diego | CA | premium |
| 1336152982 | Salem, Carol · member of 2 groups | M.D. | Urology | San Diego | CA | premium |
| 1992747059 | Sanzone, Anthony · member of 2 groups | M.D. | Orthopedic Surgery | Chula Vista | CA | premium |
| 1003910456 | Scott, Emily · member of 2 groups | MD | Cardiology | San Diego | CA | premium |
| 1598841033 | Shao, Hai · member of 2 groups | M.D., PH.D. | Infectious Disease | San Diego | CA | premium |
| 1154323996 | Sherev, Dimitri · member of 3 groups | M.D. | Cardiology | El Cajon | CA | premium |
| 1538484084 | Simpson, Amelia · member of 2 groups | M.D. | General Surgery | San Diego | CA | premium |
| 1316350085 | Spitzer, Blake · member of 3 groups | MD | General Surgery | Chula Vista | CA | premium |
| 1467642215 | Stipho, Sally · member of 2 groups | M.D. | Gastroenterology | San Diego | CA | premium |
| 1174502223 | Summers, Stephen · member of 3 groups | M.D. | General Surgery | Chula Vista | CA | premium |
| 1457407702 | Sweet, Patrick · member of 2 groups | MD | Family Practice | El Cajon | CA | premium |
| 1881666956 | Tadlock, Matthew · member of 3 groups | MD | Critical Care (Intensivists) | San Diego | CA | premium |
| 1881843050 | Tanaka, Scott · member of 3 groups | MD | Orthopedic Surgery | San Diego | CA | premium |
| 1134112626 | Toman, Jeffrey · member of 2 groups | M.D. | Colorectal Surgery (Proctology) | San Diego | CA | premium |
| 1255686648 | Unkart, Jonathan · member of 3 groups | M.D. | General Surgery | San Diego | CA | premium |
| 1215374210 | Unterberg, Stephen · member of 2 groups | MD | Urology | San Diego | CA | premium |
| 1558541235 | Villegas, Alejandro · member of 2 groups | MD | Critical Care (Intensivists) | Chula Vista | CA | premium |
| 1467720656 | Woo, Linda · member of 2 groups | M.D. | Otolaryngology | Chula Vista | CA | premium |
| 1114188539 | Yang, Yifan · member of 3 groups | M.D. | General Surgery | Chula Vista | CA | premium |
| 1609300045 | Yang, Michael · member of 2 groups | M.D. | Interventional Cardiology | La Jolla | CA | premium |
| 1952365025 | Yang, Jack · member of 2 groups | MD | Vascular Surgery | San Diego | CA | premium |
Volumes are attributed to a group only for clinicians affiliated with exactly one group. Clinicians in several groups are listed ("member of N groups") but shown as "—" — their volume is not attributed to any single group. A "—" on a single-group clinician means CMS suppressed the figure (fewer than 11 beneficiaries), never zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average Medicare payment is the amount Medicare actually paid per service, weighted by service volume across office and facility settings. Where the roster is a single clinician, that clinician's service counts match the group's attributed volume shown on the ranked results, so they are shown here; the per-provider split across a larger roster is a premium feature. See Methods & Sources.