QUANTUM HEALTHCARE MEDICAL ASSOCIATES INC
INTERNAL MEDICINE · COLTON, CA · 108 providers · hospital-affiliated · (909) 580-1000
Provider volumes, all codes · CY2024
Group overview · all codes · CY2024
All figures are attributed (single-group clinicians only) and disclosed (CMS suppresses fewer-than-11-beneficiary rows) Medicare Part B fee-for-service — a subset, never complete totals. Percentile and peer figures are billed-volume positions, not statements about care. See Methods & Sources.
| NPI | Provider | Credentials | Type | City | St | Services (all codes) |
|---|---|---|---|---|---|---|
| 1104088582 | Muppu, Manjula | MD | Family Practice | Livermore | CA | premium |
| 1114428950 | Shahabi, Anahita | Internal Medicine | San Ramon | CA | premium | |
| 1730381799 | Rathi, Deepa | M.D. | Internal Medicine | Gilroy | CA | premium |
| 1871520015 | Wallace, Christopher | M.D. | Internal Medicine | Vallejo | CA | premium |
| 1922625466 | Fedder, Douglas | M.D. | Hospitalist | Santa Barbara | CA | premium |
| 1255430005 | Kyu, Aye | MD | Internal Medicine | Vallejo | CA | premium |
| 1881993673 | Mckenzie, Ryan | M.D. | Internal Medicine | Harrisonburg | VA | premium |
| 1689053720 | Taylor, Nicholas | D.O. | Internal Medicine | Vallejo | CA | premium |
| 1205094315 | Win, Soe | M.D | Internal Medicine | Hilo | HI | premium |
| 1588625933 | Winkler, Craig | MD | Internal Medicine | Springfield | OR | premium |
| 1396784740 | Raoufi, Kambiz | MD | Internal Medicine | Colton | CA | premium |
| 1700379351 | Kinoshita, Erik | MD | Internal Medicine | Hilo | HI | premium |
| 1043484637 | Wilson, Joy | MD | Internal Medicine | Hilo | HI | premium |
| 1578792859 | Dhanoa, Gurpreet | MD. | Family Practice | San Ramon | CA | premium |
| 1740632272 | Higa, Deanne | DO | Family Practice | Seattle | WA | premium |
| 1194354399 | Abraham, Tinu | MD | Hospitalist | East Meadow | NY | premium |
| 1962631655 | Rao, Ryan | MD | Internal Medicine | Honolulu | HI | premium |
| 1568993665 | Chang, Daniel | M.S., M.D. | Internal Medicine | Colton | CA | premium |
| 1962525949 | Singh, Dipinder | N.P. | Nurse Practitioner | Pomona | CA | premium |
| 1205396231 | Pena, David | Internal Medicine | Colton | CA | premium | |
| 1184710063 | Horodyski, James | M.D. | Internal Medicine | Fairfield | CA | premium |
| 1588094452 | Hoang, Phu | PA-C | Physician Assistant | Pomona | CA | premium |
| 1255960159 | Kirkham, Shelley | MD | Hospitalist | Hilo | HI | premium |
| 1811285422 | Nguyen, Son | M.D. | Internal Medicine | Long Beach | CA | premium |
| 1023190014 | Ghasemi, Farideh | FNP | Nurse Practitioner | Riverside | CA | premium |
| 1841759842 | Yaopruke, Timothy | DO | Internal Medicine | Colton | CA | premium |
| 1194386847 | Shindo, Yu | MD | Internal Medicine | New York | NY | premium |
| 1235310780 | Syed, Azra | MD | Internal Medicine | Fontana | CA | premium |
| 1629010590 | Huber, Michelle | MD | Internal Medicine | Kealakekua | HI | premium |
| 1013479120 | Chen, Gilbert | MD | Internal Medicine | Colton | CA | premium |
| 1053568923 | Adler, Adam | MD | Family Practice | Hilo | HI | premium |
| 1124088323 | Newkirk, Mary | M.D. | Internal Medicine | Saint Helena | CA | premium |
| 1437491669 | Shinn, Richard | D.O. | Family Practice | Hilo | HI | premium |
| 1336171073 | Hryniuk, Michelle | DO | Internal Medicine | Elko | NV | premium |
| 1225064454 | Dhillon, Balraj | M.D. | Internal Medicine | Vallejo | CA | premium |
| 1467015487 | Nguyen, Christine | MD | Family Practice | Marquette | MI | premium |
| 1467610170 | Dhillon, Ranvir | MD | Internal Medicine | Oakland | CA | premium |
| 1306865753 | Danial, Magdy | MD | Family Practice | Danville | CA | premium |
| 1306308606 | Silva, Taran | DO | Hospitalist | Travis Afb | CA | premium |
| 1750987947 | Whelton, Nathaniel | AGACNP | Nurse Practitioner | Honolulu | HI | premium |
| 1194037945 | Alazzeh, Ahmad · member of 3 groups | MD | Critical Care (Intensivists) | Riverside | CA | premium |
| 1336202266 | Arabian, Sarkis · member of 2 groups | DO | Internal Medicine | Colton | CA | premium |
| 1770744989 | Banegura, Glenn · member of 2 groups | M.D. | Internal Medicine | Snellville | GA | premium |
| 1518595123 | Bhagat, Ankur · member of 2 groups | Internal Medicine | Colton | CA | premium | |
| 1922493220 | Bozorgnia, Farshid · member of 3 groups | MD | Internal Medicine | Colton | CA | premium |
| 1013365105 | Bretzing, Douglas · member of 2 groups | D.O. | Internal Medicine | Temple | TX | premium |
| 1578136081 | Bui, Natalie · member of 2 groups | NP-C | Nurse Practitioner | Columbia | MO | premium |
| 1851951990 | Conde, Wildya · member of 2 groups | DNP, APRN, FNP-BC | Nurse Practitioner | Fort Pierce | FL | premium |
| 1013385061 | Converse, Curtis · member of 2 groups | D.O. | Internal Medicine | Colton | CA | premium |
| 1063948537 | Costales-Cantrell, Jessica · member of 2 groups | DO | Internal Medicine | Los Angeles | CA | premium |
| 1255351151 | Craig, Debra · member of 3 groups | M.D. | Internal Medicine | Loma Linda | CA | premium |
| 1306059357 | Dang, Tuan · member of 2 groups | M.D | Hospitalist | San Pablo | CA | premium |
| 1639175581 | Dhaliwal, Narinder · member of 4 groups | M.D. | Internal Medicine | Lodi | CA | premium |
| 1942510607 | Ghahremani-Ghajar, Mehrdad · member of 3 groups | D.O. | General Practice | Rialto | CA | premium |
| 1093203259 | Goodwin, David · member of 2 groups | MD | Hospitalist | Helena | MT | premium |
| 1306079660 | Griffith, Eleonor · member of 3 groups | D.O. | Family Practice | Folsom | CA | premium |
| 1609222090 | Hamidi, Afshin · member of 2 groups | M.D. | Endocrinology | Rancho Santa Margarita | CA | premium |
| 1265703847 | Hasan, Mufadda · member of 3 groups | M.D. | Critical Care (Intensivists) | Colton | CA | premium |
| 1073132148 | Hollenbaugh, Aaron · member of 2 groups | DO | Hospitalist | Las Cruces | NM | premium |
| 1467710632 | Joshi, Siddharth · member of 2 groups | M.D. | Hospitalist | Portland | OR | premium |
| 1316036247 | Kannass, Mouhamed · member of 2 groups | M.D. | Internal Medicine | Hilo | HI | premium |
| 1881854941 | Kho, Linna · member of 2 groups | M.D | Internal Medicine | Diamond Bar | CA | premium |
| 1700381191 | Kizhakkepat Pisharam, Jayasree · member of 2 groups | MD | Internal Medicine | Brooklyn | NY | premium |
| 1659909141 | Leone, Mariana · member of 4 groups | MD, MPH | Family Practice | Salinas | CA | premium |
| 1174948905 | Lock, Mary Angeli · member of 4 groups | M.D. | Internal Medicine | Brooklyn | NY | premium |
| 1629409644 | Lock, Steven · member of 6 groups | M.D. | Internal Medicine | Brooklyn | NY | premium |
| 1528685997 | Mao, Susie · member of 3 groups | DO | Family Practice | Meridian | MS | premium |
| 1043220031 | Mardanzai, Joseph · member of 2 groups | MD | Internal Medicine | San Ramon | CA | premium |
| 1578883062 | Mavli, Zakiahmad · member of 6 groups | M.D. | Hospitalist | Sacramento | CA | premium |
| 1700318276 | Mcintyre, Alexia · member of 3 groups | Internal Medicine | Washington | DC | premium | |
| 1649755513 | Mehr, Hootan · member of 2 groups | MD | Internal Medicine | Colton | CA | premium |
| 1275621872 | Mezban, Zainab · member of 2 groups | MD | Internal Medicine | Walnut Creek | CA | premium |
| 1801424759 | Mohammadi, Niki · member of 3 groups | Hospitalist | Colton | CA | premium | |
| 1073175014 | Morrill, Michael · member of 2 groups | NP | Nurse Practitioner | Honolulu | HI | premium |
| 1083812028 | Nguyen, Emily · member of 16 groups | DO | Internal Medicine | Torrance | CA | premium |
| 1457739161 | Patel, Mandakini · member of 4 groups | M.D. | Internal Medicine | Walnut Creek | CA | premium |
| 1750811659 | Pham, Jonathan · member of 3 groups | MD | Internal Medicine | Loma Linda | CA | premium |
| 1982195426 | Prows, Isaac · member of 2 groups | DO | Family Practice | Bay City | MI | premium |
| 1851753545 | Qadir, Aftab · member of 2 groups | MD | Internal Medicine | Rancho Cucamonga | CA | premium |
| 1235717158 | Sharif, Shahriar · member of 2 groups | MD | Internal Medicine | San Jose | CA | premium |
| 1306258272 | Shchedrina, Svetlana · member of 2 groups | MD | Family Practice | Hilo | HI | premium |
| 1053376509 | Shoroye, Olaseni · member of 3 groups | D.O | Internal Medicine | Rochester | NY | premium |
| 1659313567 | Singh, Karandeep · member of 2 groups | MD | Hospitalist | Fresno | CA | premium |
| 1982906756 | Stepanyan, Tigran · member of 6 groups | D.O. | Pulmonary Disease | Yucaipa | CA | premium |
| 1194794776 | Sweeney, Gordon · member of 4 groups | M.D. | Hospitalist | Saint Helena | CA | premium |
| 1972033785 | Tlimat, Nour · member of 3 groups | MD | Internal Medicine | San Jose | CA | premium |
| 1487832234 | Tran, Tony · member of 4 groups | M.D. | Internal Medicine | Saint Helena | CA | premium |
| 1962909929 | Tran, Andrew · member of 2 groups | MD | Internal Medicine | Los Angeles | CA | premium |
| 1407070162 | Varanasi, Anju · member of 4 groups | MD | Family Practice | Sugar Land | TX | premium |
| 1629382890 | Vo, Dan · member of 2 groups | DO | Internal Medicine | Redlands | CA | premium |
| 1902224025 | Vo, Lam · member of 2 groups | DO.MPH.MSCI | Internal Medicine | Tempe | AZ | premium |
| 1558865147 | Wicomb, Kyle · member of 2 groups | Internal Medicine | Elmhurst | NY | premium | |
| 1770586802 | Yoshisato, Paige · member of 2 groups | M.D. | Family Practice | Vallejo | CA | premium |
| 1205500741 | Zavoshi, Shirin · member of 2 groups | MD | Internal Medicine | San Ramon | CA | premium |
| 1841644143 | Zhou, Wenbai · member of 2 groups | M.D. | Internal Medicine | Turlock | 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.