UCLA ASSOCIATED GENERAL SURGEONS
GENERAL SURGERY · LOS ANGELES, CA · 47 providers · hospital-affiliated · (310) 267-7838
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) |
|---|---|---|---|---|---|---|
| 1033132865 | Yeh, Michael | MD | Critical Care (Intensivists) | Los Angeles | CA | premium |
| 1760630057 | Chen, David | M.D. | General Practice | Santa Monica | CA | premium |
| 1134486244 | Macqueen, Ian | M.D. | General Surgery | Santa Monica | CA | premium |
| 1295842771 | Chandler, Charles | MD | General Surgery | Santa Monica | CA | premium |
| 1164636262 | Nien, Yih-Dar | MD | General Surgery | Encino | CA | premium |
| 1255342903 | Cryer, Henry | MD | General Surgery | Los Angeles | CA | premium |
| 1215165857 | Lewis, Catherine | M.D. | General Surgery | Los Angeles | CA | premium |
| 1053591941 | Kazanjian, Kevork | M.D. | Colorectal Surgery (Proctology) | Los Angeles | CA | premium |
| 1750537775 | Zanocco, Kyle | MD | General Surgery | Los Angeles | CA | premium |
| 1831349935 | Harari, Avital | M.D. | General Surgery | Los Angeles | CA | premium |
| 1861765471 | Robinson, Michael | General Surgery | Encino | CA | premium | |
| 1598887176 | Machado-Aranda, David | M.D. | General Surgery | Los Angeles | CA | premium |
| 1588732911 | Kwaan, Mary | M.D., M.P.H. | General Surgery | Los Angeles | CA | premium |
| 1437358884 | Lin, Anne | MD | Colorectal Surgery (Proctology) | Los Angeles | CA | premium |
| 1831373851 | Brenner, Megan | M.D. | General Surgery | Los Angeles | CA | premium |
| 1487617270 | Rosenthal, Raul | M.D. | General Surgery | Los Angeles | CA | premium |
| 1689696775 | Tillou, Areti | MD | General Surgery | Los Angeles | CA | premium |
| 1023345048 | Juillard, Catherine | M.D. | General Surgery | Los Angeles | CA | premium |
| 1285860023 | Chen, Yijun | M.D. | General Surgery | Los Angeles | CA | premium |
| 1154625440 | Christie, Sabrinah | General Surgery | Los Angeles | CA | premium | |
| 1164721411 | Wu, James | M.D. | General Surgery | Los Angeles | CA | premium |
| 1275544876 | Hiyama, Darryl | MD | General Surgery | Los Angeles | CA | premium |
| 1114981990 | Livingston, Edward | MD | General Surgery | Santa Monica | CA | premium |
| 1497779581 | Hines, Oscar | MD | General Surgery | Los Angeles | CA | premium |
| 1518385087 | Gilyard, Sarah | General Surgery | Encino | CA | premium | |
| 1346398245 | Russell, Marcia | MD | Colorectal Surgery (Proctology) | Los Angeles | CA | premium |
| 1871515965 | Schmit, Paul | MD | General Surgery | Los Angeles | CA | premium |
| 1275122921 | Felix, Charla | Nurse Practitioner | Los Angeles | CA | premium | |
| 1063816882 | Park, Seu Na | MSN, FNP-BC, RN | Nurse Practitioner | Los Angeles | CA | premium |
| 1952690331 | Crager, Sara · member of 2 groups | MD | Emergency Medicine | Los Angeles | CA | premium |
| 1588046510 | Empson, Susannah · member of 5 groups | MD | Emergency Medicine | Los Angeles | CA | premium |
| 1154634251 | Garcia, Edwin · member of 2 groups | MD | General Surgery | West Hills | CA | premium |
| 1588826382 | Girgis, Mark · member of 2 groups | MD | Surgical Oncology | Los Angeles | CA | premium |
| 1760811442 | Lim, George · member of 2 groups | M.D. | Emergency Medicine | Los Angeles | CA | premium |
| 1659566875 | Livhits, Masha · member of 2 groups | M.D. | General Surgery | Los Angeles | 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.