Top Providers of Service 83516 in California

Analysis of substance using immunoassay technique

A provider may appear on this list twice if he or she performed this service in more than one setting (i.e. office and facility).


Provider Times this Service Performed Patients City
MILLENNIUM HEALTH, LLC Laboratories, Clinical Medical Laboratory 16,029 5,848 SAN DIEGO
UNILAB CORPORATION Laboratories, Clinical Medical Laboratory 7,619 4,839 WEST HILLS
VIBRANT AMERICA LLC Laboratories, Clinical Medical Laboratory 7,045 2,053 SAN CARLOS
LABORATORY CORPORATION OF AMERICA Laboratories, Clinical Medical Laboratory 4,895 2,319 SAN DIEGO
RHEUMATOLOGY DIAGNOSTICS LABORATORY INC Laboratories, Clinical Medical Laboratory 3,901 781 LOS ANGELES
QUEST DIAGNOSTICS NICHOLS INSTITUTE Laboratories, Clinical Medical Laboratory 3,556 2,822 SAN JUAN CAPISTRANO
UNILAB CORPORATION Laboratories, Clinical Medical Laboratory 3,432 2,139 SACRAMENTO
AL FRANCO Rheumatology 2,364 228 RIVERSIDE
SPECIALTY LABORATORIES INC Laboratories, Clinical Medical Laboratory 1,653 1,046 VALENCIA
PHYSICIAN'S AUTOMATED LABORATORY, INC Laboratories, Clinical Medical Laboratory 1,448 548 BAKERSFIELD
SCRIPPS HEALTH Laboratories, Clinical Medical Laboratory 1,429 782 SAN DIEGO
JON KELLER Anatomic Pathology & Clinical Pathology 1,410 692 PALO ALTO
PACIFIC DIAGNOSTIC LABORATORIES Laboratories, Clinical Medical Laboratory 1,246 567 SANTA BARBARA
SUTTER VALLEY MEDICAL FOUNDATION Laboratories, Clinical Medical Laboratory 1,074 527 SACRAMENTO
CALIFORNIA LABORATORY SCIENCES LLC Laboratories, Clinical Medical Laboratory 902 331 SANTA FE SPRINGS
NATALIA CHAVEZ CHIANG Rheumatology 792 176 RIVERSIDE
SUTTER GOULD MEDICAL FOUNDATION Laboratories, Clinical Medical Laboratory 698 361 MODESTO
JOO-HYUNG LEE Rheumatology 597 198 ORANGE
RASHAD ANSARI Rheumatology 520 245 VISTA
EDMUND TAI Hematology & Oncology 519 267 MOUNTAIN VIEW
ANDRE LALLANDE Family Medicine 496 121 RIVERSIDE
WONIL LEE Specialist 492 240 NORTH HOLLYWOOD
MD TOX LABORATORY Laboratories, Clinical Medical Laboratory 490 454 IRVINE
BRYANT LUM Ophthalmology 447 195 VENTURA
BORIS RATINER Rheumatology 442 210 TARZANA
R&B MEDICAL GROUP,INC. Laboratories, Clinical Medical Laboratory 404 107 VAN NUYS
CHARLES WEIDMANN Rheumatology 396 165 VAN NUYS
UNILAB CORPORATION Laboratories, Clinical Medical Laboratory 392 280 SAN JOSE
SUTTER WEST BAY MEDICAL FOUNDATION Laboratories, Clinical Medical Laboratory 374 196 SANTA ROSA
PRIMEX CLINICAL LABORATORIES INC. Laboratories, Clinical Medical Laboratory 369 130 VAN NUYS
AZADEH MAJLESSI Rheumatology 361 66 HUNTINGTON BEACH
THOMAS POWELL Rheumatology 319 144 ORANGE
BRIGID FREYNE Internal Medicine 318 149 MURRIETA
LATARA ENTERPRISE INC. Laboratories, Clinical Medical Laboratory 293 168 POMONA
BIO-REFERENCE LABORATORIES INC Laboratories, Clinical Medical Laboratory 281 158 CAMPBELL
JEFFREY BACON Rheumatology 253 127 BAKERSFIELD
MICHAEL KELLER Rheumatology 238 146 SAN DIEGO
IMPERIAL VALLEY FAMILY CARE MEDICAL GROUP Laboratories, Clinical Medical Laboratory 237 144 IMPERIAL
SUDHAKAR TUMULURI Rheumatology 236 79 REDWOOD CITY
GENE ZDENEK Ophthalmology 229 55 RESEDA
JENNY OH Rheumatology 224 107 TARZANA
RAZ KHAVARI Rheumatology 209 76 VAN NUYS
JOANNA DAVIES Rheumatology 198 81 LOS ANGELES
INTERNATIONAL MEDICAL LABORATORY C/O SHASHI PRUTHI GEN PTR Laboratories, Clinical Medical Laboratory 178 126 IRVINE
SEAN WOLLASTON Specialist 176 84 NORTH HOLLYWOOD
CHRISTEN ALLAMAN Ophthalmology 172 79 SANTA CRUZ
DAVID FUERST Ophthalmology 171 86 GLENDALE
DONALD SILCOX Rheumatology 150 54 LOS GATOS
PENG FAN Specialist 147 75 NORTH HOLLYWOOD
GERALD HO Rheumatology 140 121 LA PALMA
MITCHELL LATTER Ophthalmology 136 66 BELLFLOWER
SUTTER VALLEY MEDICAL FOUNDATION Laboratories, Clinical Medical Laboratory 134 67 YUBA CITY
RAMACHANDRAN SRINIVASAN Rheumatology 127 62 MONTEREY PARK
RAYMOND PRESS Rheumatology 123 54 SAN DIEGO
YOON MIN Rheumatology 114 52 SANTA CLARITA
REGENTS OF THE UNIVERSITY OF Laboratories, Clinical Medical Laboratory 103 102 PANORAMA CITY
SPECTRA LABORATORIES INC Laboratories, Clinical Medical Laboratory 97 70 MILPITAS
PERMANENTE MEDICAL GROUP, INC. Laboratories, Clinical Medical Laboratory 96 48 BERKELEY
JOSEPH LEE Ophthalmology 92 46 LOS ANGELES
ABACUS BUSINESS CORPORATION GROUP INC. Laboratories, Clinical Medical Laboratory 89 69 LOS ANGELES
MARTIN BERRY Rheumatology 82 41 BAKERSFIELD
WESTERN HEALTH SCIENCES MEDICAL LAB Laboratories, Clinical Medical Laboratory 80 22 CANOGA PARK
ADAM KREITENBERG Rheumatology 68 34 TARZANA
CHRISTOPHER WIXOM Specialist 65 25 SAN DIEGO
KAN-DI-KI, LLC Laboratories, Clinical Medical Laboratory 65 46 BURBANK
SCOTT SCHACHTER Optometrist 65 49 PISMO BEACH
JOSHUA JOHNSTON Optometrist 63 26 HUNTINGTON BEACH
SUTTER WEST BAY MEDICAL FOUNDATION Laboratories, Clinical Medical Laboratory 62 41 SAN FRANCISCO
GEORGE SALIB Ophthalmology 56 52 MONTEBELLO
MARSHA KAPRIELIAN Nurse Practitioner, Family 52 25 BAKERSFIELD
SHARP HEALTHCARE Laboratories, Clinical Medical Laboratory 48 39 LA MESA
ADVANCE BIOMEDICAL Laboratories, Clinical Medical Laboratory 46 13 SANTA ANA
SHARP HEALTHCARE Laboratories, Clinical Medical Laboratory 44 32 SAN DIEGO
CYNTHIA BEHLING Anatomic Pathology & Clinical Pathology 43 15 SAN DIEGO
LAWRENCE HOPP Ophthalmology 42 21 BEVERLY HILLS
SHARP HEALTHCARE Laboratories, Clinical Medical Laboratory 35 21 CHULA VISTA
RONALD FOLTZ Ophthalmology 30 15 PLACERVILLE
SARAH HWANG Rheumatology 28 26 LA PALMA
ALEXANDER SHIKHMAN Rheumatology 26 23 LA JOLLA
SHARP HEALTHCARE Laboratories, Clinical Medical Laboratory 24 17 SAN DIEGO
SHARP HEALTHCARE Laboratories, Clinical Medical Laboratory 24 23 SAN DIEGO
LIBRO DIZINNO Ophthalmology 22 11 LA JOLLA
ACCATUR DIAGNOSTICS II LLC Laboratories, Clinical Medical Laboratory 20 18 IRVINE
MDX-MDL HOLDINGS, LLC Laboratories, Clinical Medical Laboratory 19 15 SAN LEANDRO
THERANOS, INC Laboratories, Clinical Medical Laboratory 15 15 PALO ALTO
FREDDY CHAN Physician Assistant 14 11 MONTEREY PARK
SHARP HEALTHCARE Laboratories, Clinical Medical Laboratory 13 12 SAN DIEGO
SHARP HEALTHCARE Laboratories, Clinical Medical Laboratory 11 11 SAN DIEGO
SUN CLINICAL LABORATORIES Laboratories, Clinical Medical Laboratory 11 11 MONTEREY PARK

Sources: Centers for Medicare and Medicaid Services, National Plan and Provider Enumeration System, American Medical Association

Services that begin with a letter come from CMS. All other codes and descriptions of the medical procedures are from the Current Procedural Terminology (CPT®) code set, copyright 2015 American Medical Association. All rights reserved. Where practical, AMA’s consumer friendly translation of the CPT descriptor was used. ProPublica has received permission from the AMA to use these codes on this site.

Read our methodology.