GEM MEDICAL GROUP CORPORATION
EMERGENCY MEDICINE · MONTEREY PARK, CA · 58 providers · hospital-affiliated · (877) 346-2211
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) |
|---|---|---|---|---|---|---|
| 1942243449 | Ngo, Phong | MD | Emergency Medicine | Monterey Park | CA | premium |
| 1760648646 | Adams, Benjamin | D.O. | Emergency Medicine | Dallas | TX | premium |
| 1124394465 | Solomin, Daniel | D.O. | Emergency Medicine | West Covina | CA | premium |
| 1114941812 | Conner, Ralph | DO | General Practice | Anaheim | CA | premium |
| 1023052230 | Williams, Jeremy | M.D. | Emergency Medicine | Monterey Park | CA | premium |
| 1487735163 | Stewart, Alison | D.O. | Emergency Medicine | Mission Hills | CA | premium |
| 1760001697 | Poon, Charles | DO, MS | Emergency Medicine | Glendale | CA | premium |
| 1861783789 | Escobedo, Liza Victoria | M.D. | Emergency Medicine | Bronx | NY | premium |
| 1346588811 | Sharma, Vineet | MD | Emergency Medicine | Mentone | CA | premium |
| 1356695621 | Vuong, Viet | DO | Emergency Medicine | Bronx | NY | premium |
| 1659718948 | Cox, Lakeisha | M.D. | Family Practice | Omaha | NE | premium |
| 1376706853 | Mai, Anh | M.D. | Emergency Medicine | South El Monte | CA | premium |
| 1316306517 | Yoon, Bliss | D.O. | Family Practice | Manchester | CT | premium |
| 1093193575 | Cui, Li | Emergency Medicine | Monterey Park | CA | premium | |
| 1629104526 | Sutikno-Ong, Rio | MD | Emergency Medicine | Covina | CA | premium |
| 1225480932 | Zaidi, Syed Mohsin Shamim | Emergency Medicine | Flint | MI | premium | |
| 1457392193 | Levin, John | MD | Emergency Medicine | Whittier | CA | premium |
| 1932145992 | Choi, Seung Ho | M.D. | Emergency Medicine | Los Angeles | CA | premium |
| 1235691999 | Boyer, Rebecca | MD | Emergency Medicine | Arcadia | CA | premium |
| 1033638168 | Johnson, Lauralie | ACNP | Nurse Practitioner | Glendale | CA | premium |
| 1881986057 | Figueroa, Frank | N.P. | Nurse Practitioner | Los Angeles | CA | premium |
| 1922604289 | Chung, Tiffany | Nurse Practitioner | Monterey Park | CA | premium | |
| 1598729980 | Nguyen, Tom | DO | Family Practice | Rosemead | CA | premium |
| 1528367174 | Khan, Huma | MD | Emergency Medicine | Pasadena | CA | premium |
| 1659856888 | Liu, Kelvin | MSN, FNP | Nurse Practitioner | West Covina | CA | premium |
| 1629374426 | Heil, Kari | NP | Nurse Practitioner | Barstow | CA | premium |
| 1689102535 | Bilkhu, Gurtejbir · member of 2 groups | Emergency Medicine | Warren | MI | premium | |
| 1093464679 | Brooks, Kayla · member of 2 groups | PA | Physician Assistant | Lakewood | CA | premium |
| 1528581519 | Castillo, Rolando · member of 2 groups | N.P. | Nurse Practitioner | Monterey Park | CA | premium |
| 1003015462 | Chang, Chun · member of 3 groups | M.D. | Emergency Medicine | Modesto | CA | premium |
| 1215981048 | Chang, Danny · member of 2 groups | M.D. | Emergency Medicine | Sherman Oaks | CA | premium |
| 1184691644 | Chon, John · member of 2 groups | D.O. | Emergency Medicine | Covina | CA | premium |
| 1114381530 | Cruise, Alexander · member of 2 groups | MD | Emergency Medicine | Victorville | CA | premium |
| 1790727162 | Edalat, Keivan · member of 2 groups | MD | Emergency Medicine | Gardena | CA | premium |
| 1134354483 | Fan, Wei · member of 2 groups | M.D. | Emergency Medicine | Jamaica | NY | premium |
| 1912240771 | Garcia, Daniella · member of 2 groups | MD | Emergency Medicine | Hemet | CA | premium |
| 1518022524 | Gutkin, David · member of 4 groups | D.O. | Emergency Medicine | Manhattan Beach | CA | premium |
| 1346282340 | Hsu, Andy · member of 3 groups | M.D. | Emergency Medicine | West Covina | CA | premium |
| 1043853732 | Huayhua, Grammy · member of 2 groups | FNP | Nurse Practitioner | Rowland Heights | CA | premium |
| 1689602609 | Lin, John · member of 2 groups | M.D. | Internal Medicine | South El Monte | CA | premium |
| 1942241187 | Lin, David · member of 3 groups | MD | Emergency Medicine | Whittier | CA | premium |
| 1487889341 | Lo, Chin-Yu · member of 2 groups | MD | Emergency Medicine | Lancaster | CA | premium |
| 1790984730 | Rico, Wilfred · member of 3 groups | MD | Emergency Medicine | Walnut Creek | CA | premium |
| 1700828019 | Romero, Howard · member of 2 groups | D.O. | Emergency Medicine | Glendale | CA | premium |
| 1700380128 | Saiyasombat, Ben · member of 2 groups | MD | Emergency Medicine | El Paso | TX | premium |
| 1598349169 | Sammons, Patrick · member of 2 groups | Emergency Medicine | West Hollywood | CA | premium | |
| 1578542957 | Tang, Vincent · member of 3 groups | M.D | Family Practice | Garden Grove | CA | premium |
| 1306896048 | Tao, David · member of 3 groups | MD | Emergency Medicine | Bellflower | CA | premium |
| 1669408621 | Tran, Andrew · member of 3 groups | MD | Emergency Medicine | Tustin | CA | premium |
| 1215970389 | Wali, Vijay · member of 2 groups | MD | Emergency Medicine | Anaheim | CA | premium |
| 1124061296 | Wetzel, Gihan · member of 2 groups | DO | Emergency Medicine | Los Alamitos | CA | premium |
| 1457856056 | Wong, Brian · member of 2 groups | MD | Emergency Medicine | Dallas | TX | premium |
| 1326227232 | Yen, May · member of 2 groups | M.D. | Emergency Medicine | Glendale | CA | premium |
| 1497073605 | Yin, Lu · member of 2 groups | M.D. | Emergency Medicine | Inglewood | CA | premium |
| 1235619248 | Zhong, Lily · member of 2 groups | Nurse Practitioner | Lynwood | 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.