The RegistryCounty Roster · Surnames Treadwell – Zwirn
Workers' Compensation Attorneys in Los Angeles County, Treadwell – Zwirn
205 attorneys on the official State Bar of California roll whose surname falls between Treadwell and Zwirn, holding an active license, a workers' compensation practice area, and an address of record in Los Angeles County. One of 11 surname sections covering 2,270 attorneys county-wide.
The filing deadline is one year from injury to file a workers' compensation claim (Cal. Lab. Code § 5405). Listings are in surname order, neutral, never ranked. The choice is always yours.
Workers' Compensation · Los Angeles County · Treadwell – Zwirn
| Attorney | Firm | City | Bar number | Admitted |
|---|---|---|---|---|
| Semial R. Treadwell | Not recorded | Calabasas | #97902 | 1981 |
| Seth A. Trejo | AmTrust North America | Woodland Hills | #238573 | 2005 |
| Lauren C. Trenor | Work Injury Law Group | Lawndale | #278639 | 2011 |
| Jennifer M. Trevino | Morgan Leahy | Agoura Hills | #311254 | 2016 |
| Dennis R. Triplett | Law Office of Dennis Triplett | West Hollywood | #143490 | 1989 |
| Christopher J. Trodden | Pennington & Trodden, P.C. | N Hollywood | #169240 | 1993 |
| Hugo Troncoso | LAW OFFICE HUGO TRONCOSO | Glendale | #69481 | 1976 |
| Thomas D. Trutanich | TruSource Legal | West Hollywood | #279912 | 2011 |
| Jennifer W. Tsai | Mavredakis Phillips | Pasadena | #231132 | 2004 |
| Mariam Tsaturyan | Avagyan Law Firm | Glendale | #303259 | 2015 |
| Alexander TsimanisState Bar certified specialist | Law Office of Alexander Tsimanis, APC | Inglewood | #228312 | 2003 |
| Lena W. Tsui | State Compensation Insurance Fund | Glendale | #207478 | 2000 |
| Derek S. Tucker | Law Offices of Derek Sean Tucker, Esq. | Woodland Hills | #276728 | 2011 |
| Robert D. Tulk | Colantoni Collins Marren Phillips & Tulk | Los Angeles | #263089 | 2009 |
| Aaron S. Turchin | Not recorded | La Crescenta | #181545 | 1995 |
| Maria M. Turcios | C&B Law Group, LLP | Los Angeles | #365584 | 2025 |
| Carol N. Turetsky | Not recorded | Culver City | #103828 | 1982 |
| Adam J. Turner | Lewis, Marenstein, Wicke, Sherwin & Lee | Woodland Hills | #232680 | 2004 |
| Philip R. Tuyay | ROAN TUYAY LAW APC | Pasadena | #290771 | 2013 |
| Jasmeen A. Ubhi | The Law Office of Jasmeen A. Ubhi | Northridge | #259336 | 2008 |
| Carmen C. Ulibarri | Law Office of Carmen C Ulibarri, APC | Commerce | #236242 | 2005 |
| Adrian R. Ulloa | WCA Law Group | Glendale | #326899 | 2019 |
| Graham J. Ulyshen | Okhovat Law Firm | Sherman Oaks | #350412 | 2023 |
| David T. UngarState Bar certified specialist | Chernow, Pine & Williams | Van Nuys | #189201 | 1997 |
| Keerti Uppalapati | Abramson Labor Group | Burbank | #362886 | 2025 |
| Martin M. Urban | Urban Law, Inc. | Montebello | #296674 | 2014 |
| Moises K. Urquilla | Not recorded | Glendale | #335727 | 2021 |
| Atley A. Usher Jr. | Law Offices Ulric EJ Usher | Lancaster | #330386 | 2020 |
| Ulric E. Usher | Law Offices of Ulric EJ Usher, Esq. A PC | Lancaster | #201908 | 1999 |
| David Alan Utley | Samuelsen, Gonzalez, Valenzuela & Brown | Long Beach | #80774 | 1978 |
| Stephen A. Vaccaro | Stockwell, Harris, Woolverton & Fox | Los Angeles | #300882 | 2014 |
| Maral Vahdani | Law Offices of Natalie Kaplan | Woodland Hills | #281249 | 2011 |
| Jessica K. Valdez | Gurvitz & Marlowe, LLP | Woodland Hills | #361921 | 2025 |
| Alicia E. Valencia | Llarena, Murdock, Lopez & Azizad APC | Pasadena | #283555 | 2012 |
| Giovanni ValenciaState Bar certified specialist | Valencia & McWhorter | Culver City | #222002 | 2002 |
| Ashly Valenzuela | Not recorded | West Hollywood | #329986 | 2019 |
| Daniel Frank ValenzuelaState Bar certified specialist | Samuelsen, Gonzalez, Valenzuela & Brown, | Long Beach | #104090 | 1982 |
| Elizabeth Ramona ValenzuelaState Bar certified specialist | Valenzuela & Ginzburg | Sherman Oaks | #118440 | 1985 |
| Regino M. Valenzuela | Younessi Law | Los Angeles | #218862 | 2002 |
| Edward Valle | Mavredakis Paik | Pasadena | #267162 | 2009 |
| Eleen Y. VallejoState Bar certified specialist | Bernal Law Group PC | North Hills | #195139 | 1998 |
| Allen C. Van Camp | Karlin, Hiura & LaSota | Arcadia | #126443 | 1986 |
| Amy C. Vanderwood | Mavredakis Paik | Pasadena | #229970 | 2004 |
| Rachael E. Van Ost | Silberman & Van Ost, LLP | Long Beach | #329824 | 2020 |
| Martiros Vardanyan | Not recorded | N Hollywood | #327174 | 2019 |
| Erika L. D. VargasState Bar certified specialist | Gordon, Edelstein, et al | Los Angeles | #232972 | 2004 |
| Aurora Vasquez | Stockwell Harris Woolverton & Fox | Los Angeles | #136979 | 1988 |
| Moises Vazquez | Not recorded | Whittier | #97307 | 1981 |
| Sara Autumn Vazquez GrumleyState Bar certified specialist | Albert & MacKenzie | Agoura Hills | #267324 | 2009 |
| Ryan J. Vego | Glauber Berenson Vego | Glendale | #286131 | 2012 |
| Jazmin A. Velasco | Law Offices of Ali Azarakhsh | Studio City | #344733 | 2022 |
| Hugo E. Velazquez | Law Offices of Velazquez & Hicks, APC | Long Beach | #156718 | 1991 |
| Ana Maria Vellanoweth | workers compensation appeals board | Marina del Rey | #108633 | 1983 |
| Sharon L. Velzy-Lenington | DEPT OF INDUSTRIAL RELATIONS/DWC | Van Nuys | #153506 | 1991 |
| Jenny K. Verduzco | Karlin, Hiura & LaSota, LLP | Arcade | #255111 | 2008 |
| Elin Vernis | Legal Corner Law Office, APC | Glendale | #367899 | 2026 |
| Paula Tripp Victor | Biola University | La Mirada | #113050 | 1984 |
| David M. Villalvazo | Aziz & Associates | Diamond Bar | #329093 | 2019 |
| Richard Villasenor | Law Offices of Richard Villasenor | Sherman Oaks | #140573 | 1989 |
| Jeffrey T. Vistro | State of California | Van Nuys | #322851 | 2018 |
| Vano Vladi | VLADI LAW GROUP, APC | Granada Hills | #305262 | 2015 |
| Sophia T. Vo | Tobin Lucks LLP | Pomona | #317175 | 2017 |
| Thaiphong T. Vo | Chong Legal Group | Chatsworth | #275849 | 2011 |
| Leeron Volk | Tobin Lucks, LLP | West Hills | #309648 | 2016 |
| Michael H. Volk | TOBIN � LUCKS LLP | Woodland Hills | #327077 | 2019 |
| Martin Raymond VonMizener | Not recorded | Whittier | #107327 | 1982 |
| Elliott Joseph Wachtel | Wachtel Law | Los Angeles | #107112 | 1982 |
| Jessica N. Wachtel | Wachtel Law | Los Angeles | #296675 | 2014 |
| Sean E. Wachtel | Wachtel Law | Los Angeles | #265476 | 2009 |
| Theodore M. Wachtel | Natalie Kaplan | Woodland Hills | #224843 | 2003 |
| Daniel C. WagnerState Bar certified specialist | Newhouse and Creager, LLP | Calabasas | #214188 | 2001 |
| Bonnie Y. Wai | Wai, Connor & Hamidzadeh, LLP | Los Angeles | #132955 | 1987 |
| Matthew J. Waldron | Not recorded | Burbank | #345061 | 2022 |
| Jesse Wales | The Bondy Law Group | Encino | #227371 | 2003 |
| Evan M. Walike | Singerman Law | Burbank | #349471 | 2023 |
| Aston P. Wallace | Wenderoff Law Group, APC | Woodland Hills | #255509 | 2008 |
| Giselle K. Wallace | Desai Law, APC | Los Angeles | #322896 | 2018 |
| Joseph Wallace | Modern HR, Inc. | Burbank | #364796 | 2025 |
| Cheryl L. WallachState Bar certified specialist | Ford and Wallach | Los Angeles | #156138 | 1991 |
| Nicholas E. Walton | The Atlas Firm | Los Angeles | #267304 | 2009 |
| Teresa L. Walton | Moore & Associates | Whittier | #223449 | 2002 |
| Greg T. Wang | Department of Industrial Relations | Los Angeles | #236756 | 2005 |
| Ray Wang | Not recorded | Pomona | #227670 | 2003 |
| Danielle E. WankState Bar certified specialist | WS Law, APC | Northridge | #221832 | 2002 |
| Thomas E. Wanner | Not recorded | Redondo Beach | #195300 | 1998 |
| Erin Ann Ward-Dugan | Dietz, Gilmor and Chazen | Long Beach | #228078 | 2003 |
| Brooke L. Warman | Albert & Mackenzie | Agoura Hills | #266065 | 2009 |
| Danielle R. Warner | FIGS, INC. | Santa Monica | #285514 | 2012 |
| Sahel S. Wasseluk | Colantoni, Collins, Marren et al | Los Angeles | #276176 | 2011 |
| Benjamin Peter Wasserman | Law Office of Benjamin P Wasserman | Long Beach | #37061 | 1965 |
| Hal G. WatchmanState Bar certified specialist | Peatman Law Group | Glendale | #123762 | 1986 |
| Steven Harold WaxState Bar certified specialist | Pearlman, Brown & Wax L.L.P. | Encino | #69517 | 1976 |
| Joseph A. Wazir | Llarena Murdock Lopez & Azizad, APC | Pasadena | #334127 | 2021 |
| Clifford Jay Weinberg | Ingber & Weinberg LLP | Calabasas | #94501 | 1980 |
| Kathryn E. Weingarten | Nordanyan Law | Van Nuys | #278757 | 2011 |
| Shelley Anne Weinstein | Law Offices of Shelley A. Weinstein | Encino | #93048 | 1980 |
| Jeffrey E. Weiss | Lewis, Brisbois, Bisgaard & Smith, LLP | Los Angeles | #143700 | 1989 |
| Barry J. Weitz | Law Offices of Natalie Kaplan | Woodland Hills | #283679 | 2012 |
| Hugh N. Wells IVState Bar certified specialist | Hallett, Emerick, Wells & Sareen PLC | Calabasas | #126497 | 1986 |
| Lori Ann WenderoffState Bar certified specialist | The Wenderoff Law Group, APC | Woodland Hills | #116363 | 1984 |
| Elisabeth Susanne Wendorff | Hora Law Firm | Long Beach | #167295 | 1993 |
| Theodore V. Wenzel | Lower & Kesner, LLP | Glendale | #225015 | 2003 |
| Bryn G. Werner | Albert & Mackenzie | Agoura Hills | #323094 | 2018 |
| Jonah A. Wetzel | Law Offices of Melanie Clayman | Woodland Hills | #261522 | 2008 |
| Todd E. Whates | Whates Law, PLC | Tarzana | #216022 | 2001 |
| Cason W. White | Tobin Lucks LLP | West Hills | #331256 | 2020 |
| Kevin M. White | Woolverton, Woolverton & Wolsey | Los Angeles | #206704 | 2000 |
| William A. White | Wilshire Law Firm | Los Angeles | #346251 | 2022 |
| Kendall M. Whitehead | Aziz & Associates | Diamond Bar | #299355 | 2014 |
| Jayne Lynn Whittaker | Jayne L. Whittaker | Torrance | #91771 | 1980 |
| Michael S. Wichman | Law Offices of Joan Sheppard | Woodland Hills | #206174 | 2000 |
| Richard Mark Widom | Widom Savey, A Law Corporation | Los Angeles | #75202 | 1977 |
| Ian N. Willens | State Compensation Insurance Fund | Glendale | #274245 | 2010 |
| Briana D. Williams | Greystone Law and Advisory Group, P.C. | Los Angeles | #324934 | 2019 |
| Erica S. WillisState Bar certified specialist | Law Offices of Scott Warmuth | San Gabriel | #237148 | 2005 |
| Paula S. Wilson | Workers' Compensation Appeals Board | Marina del Rey | #272432 | 2010 |
| Stuart M. WilsonState Bar certified specialist | WCD Law Group | La Canada | #283640 | 2012 |
| Chris Win | Not recorded | Burbank | #364868 | 2025 |
| Michael Joe WinState Bar certified specialist | Rowen, Gurvey & Win | Van Nuys | #228585 | 2003 |
| Sarah E. Winkle | EM Legal | Calabasas | #222317 | 2002 |
| Glen A. Winter | Newhouse & Creager | Calabasas | #322755 | 2018 |
| Vince Winters | Vince Winters Esq | Canoga Park | #136944 | 1988 |
| Benjamin S. Wishart | Aziz & Associates | Diamond Bar | #276057 | 2011 |
| Crystal Viruet Witherell | Albert & Mackenzie | Agoura Hills | #327209 | 2019 |
| Bradford D. Wixen | Law Offices of Brad Wixen | Los Angeles | #156439 | 1991 |
| Erik J. Wochna | Albert and Mackenzie, P.C. | Agoura Hills | #277598 | 2011 |
| Bradley E. Wohlenberg | Not recorded | Valencia | #172408 | 1994 |
| Rhonda J. Wolf | State Compensation Insurance Fund | Glendale | #190408 | 1997 |
| Marla Joy Wolfe | LAW OFFICES OF MARLA J. WOLFE, APC | Encino | #110108 | 1983 |
| Deidre M. WollmanState Bar certified specialist | Wai Connor & Hamidzadeh | LOS ANGELES | #185275 | 1996 |
| Paul S. Wolsey | Stockwell Harris Woolverton & Fox | Los Angeles | #229303 | 2003 |
| Darren W. Wong | Chernow, Pine & Williams | Van Nuys | #236620 | 2005 |
| Jennifer L. Wong | Harrison, Eichenberg & Murphy | Agoura Hills | #342512 | 2021 |
| Pansy N. Wong | State Comp Ins Fund | Glendale | #218994 | 2002 |
| Rosanne Wong | Not recorded | Los Angeles | #118409 | 1985 |
| Phillip L. Woo | David Jane & Associates | Los Angeles | #329626 | 2019 |
| Sherri Lynette Woods | State Compensation Insurance Fund | Glendale | #122453 | 1986 |
| Richard D. Wooley | Law Office of RDWooley | Pomona | #93067 | 1980 |
| Randy C. Woolford | Woolford & Associates | Glendale | #231324 | 2004 |
| George Woolverton | Stockwell Harris et al | Los Angeles | #68075 | 1975 |
| Matthew B. Woolverton | WWW | Los Angeles | #255733 | 2008 |
| Michael Forbes Worthington | Michael Worthington, APC | Encino | #75234 | 1977 |
| Danielle S. Worthy | Rose, Klein & Marias | Los Angeles | #292630 | 2013 |
| Matthew J. Wright | Woolverton Woolverton & Wolsey | Los Angeles | #254532 | 2007 |
| Timothy Daniel Wright | Law Offices of Tim D Wright | Burbank | #108871 | 1983 |
| Michelle Y. Wu | Purinton, Jimenez, Labo & Wu, LLP | Los Angeles | #210759 | 2000 |
| Jerilyn Grace Wynn | Not recorded | Encino | #83038 | 1978 |
| Jeri R. Wyrick | Jeri Wyrick, Attorney at Law | Long Beach | #191251 | 1997 |
| Jacob Yadegar | DTLA Law Group | Los Angeles | #363606 | 2025 |
| Joshua Yadegar | Los Angeles Law Firm | Van Nuys | #356534 | 2024 |
| Michael M. Yadegari | LA LAWYER | Los Angeles | #286514 | 2012 |
| Brett R. Yaden | Law Offices of Brett Yaden, APC | West Hollywood | #249011 | 2007 |
| Kenneth M. Yadidi | Lyfe Law | Los Angeles | #368010 | 2026 |
| Roshanack A. Yaghobi | Glauber Berenson Vego | Glendale | #256504 | 2008 |
| Shayna A. Yamada | Albert & Mackenzie | Agoura Hills | #216203 | 2001 |
| James S. Yang | Law Offices of James Yang | Cerritos | #276149 | 2011 |
| Jeffrey S. Yang | Rexford Industrial Realty | Los Angeles | #217791 | 2001 |
| Michael N. Yap | Law Office of Michael Yap | Diamond Bar | #316618 | 2017 |
| Michael T. Yasenchok | Morgan & Leahy | Agoura Hills | #224365 | 2003 |
| Eman YazdchiState Bar certified specialist | Yazdchi Law, P.C. | Palmdale | #285231 | 2012 |
| Romeo Y. Ybanez | State Compensation Insurance Fund | Glendale | #233667 | 2004 |
| Armen YedalyanState Bar certified specialist | Law Offices of Armen Yedalyan, APLC | Sherman Oaks | #282492 | 2012 |
| Tommy S. Yee | Drasin, Yee & Santiago | Los Angeles | #143245 | 1989 |
| Shiva Yegan | Office of the County Counsel Los Angeles | Los Angeles | #304269 | 2015 |
| Jason M. Yeh | JMY LAW, APC | Pasadena | #231388 | 2004 |
| Christopher J. Yemenidjian | Laughlin, Falbo, Levy & Moresi LLP | Glendale | #340101 | 2021 |
| Hsu Yen | DWC Pomona | Pomona | #289405 | 2013 |
| Moses Mark Yenikomshian | Law Offices of M. Mark Yenikomshian | Los Angeles | #227555 | 2003 |
| Shahram Yermian | Law Offices of Shahram Yermian | Santa Monica | #229801 | 2004 |
| Suzy Y. Yezadzhyan | Law Office of Natalie Kaplan | Woodland Hills | #293054 | 2013 |
| Demosthenes C. Yiakas | Visionary Law Group, LLP | Long Beach | #275258 | 2011 |
| Bryant W. Yip | Los Angeles City Attorney's Office | Los Angeles | #299901 | 2014 |
| Susette S. Yi-Ries | Amaro Baldwin LLP | Long Beach | #183101 | 1996 |
| Nyasha S. Yong-Wright | Abramson Labor Group | Burbank | #356504 | 2024 |
| William H. Yoo | Littler Mendelson | Los Angeles | #289907 | 2013 |
| Sung H. You | RO & YOU LLP | Sherman Oaks | #281958 | 2012 |
| John David Young | Not recorded | La Crescenta | #117522 | 1985 |
| Paul W. Young | Blitstein Young Blinder | Woodland Hills | #181593 | 1995 |
| Yalda YousefiState Bar certified specialist | Yousefi Law Group, APC | Tarzana | #227515 | 2003 |
| Tara R. Yousif | Korey Law | Los Angeles | #340424 | 2021 |
| Daniel J. YsabalState Bar certified specialist | Daniel Ysabal | Pasadena | #123877 | 1986 |
| Daniel B. Ysabel | Law Offices of Daniel B. Ysabel | Valley Village | #286418 | 2012 |
| Jon Neil YudinState Bar certified specialist | Rosenberg Yudin LLP | Van Nuys | #80868 | 1978 |
| Armen Zadourian | Law Offices of Armen Zadourian | La Crescenta | #282355 | 2012 |
| Nichole A. Zahler | Bradford & Barthel, LLP | Woodland Hills | #344478 | 2022 |
| Gina M. Zapanta | Z.A. Lawyers | Valley Village | #262845 | 2009 |
| Ignacio Zaragoza | The Zaragoza Firm, P.C. | Los Angeles | #250213 | 2007 |
| Payman ZargariState Bar certified specialist | Law Offices of Payman Zargari | Van Nuys | #208451 | 2000 |
| Zareh ZatikyanState Bar certified specialist | Zatikyan Law Firm PC | Glendale | #278582 | 2011 |
| Nerice M. Zavala | Not recorded | Los Angeles | #207582 | 2000 |
| Paul E. ZayatState Bar certified specialist | Michael Sullivan & Associates | El Segundo | #263395 | 2009 |
| Jessie Leigh ZayliaState Bar certified specialist | CA Workers' Compensation Attorney | Los Angeles | #279665 | 2011 |
| Laura E. Zazueta Garcia | The Oaks Law Group | Long Beach | #356870 | 2024 |
| Alissa Ann Zea | Goldman,Magdalin & Straatsma, LLP | Woodland Hills | #166743 | 1993 |
| Brian A. Zeiden | The Wenderoff Law Group, APC | Woodland Hills | #219511 | 2002 |
| Tal Zemer | Turnaround Solutions LP / Tasoro, Inc. | Gardena | #219730 | 2002 |
| Raul E. Zermeno | Traffic Management, LLC | Long Beach | #260731 | 2008 |
| Frank Zgrablich | Zgrablich & Montgomery | Woodland Hills | #220390 | 2002 |
| Xiyan Zhang | Point 101 Law PC | Alhambra | #348189 | 2022 |
| Xuewen Zhang | Valenzuela & Ginzburg | Sherman Oaks | #357394 | 2024 |
| David G. Ziegert | Law Offices of Joan Sheppard | Woodland Hills | #269803 | 2010 |
| William M. Zimmerman | Pisegna & Zimmerman | Sherman Oaks | #126531 | 1986 |
| Jim L. Zoellner | DIR / DWC | Long Beach | #165067 | 1993 |
| Sevan Zulikyan | Llarena, Murdock, Lopez & Azizad, APC | Pasadena | #236922 | 2005 |
| Daniel K. Zwirn | Zwirn, Gevorkyan & Sogoyan LLP | Burbank | #123325 | 1986 |
Workers' Compensation in Los Angeles County by surname
Abassian – Bernstein206 attorneysBernthol – Coker206 attorneysCole – Fellman210 attorneysFelstiner – Hamuicka204 attorneysHannes – Khodakarami208 attorneysKhooda – Madans208 attorneysMader – Nalbandyan204 attorneysNamkung – Ramezanzadeh204 attorneysRamirez – Shagramanov208 attorneysShagrin – Tran207 attorneysTreadwell – Zwirn205 attorneys
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