State Specialty Directory

Otolaryngology in CA

Federal CMS data for 356 otolaryngology providers across CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

356
Providers
Median industry payments
$1,835
356
Otolaryngology Providers
in CA
$1,835
Median Industry Payments
per provider (2018–2024)
1,154
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing. Otolaryngology includes multiple subspecialties with different practice patterns. Learn more →
Showing top 50 of 356 providers, ranked by Medicare service volume. Search by city to narrow results.

Otolaryngology Providers — CA

NPPES · Open Payments · Medicare
Provider City Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
GATTO, MICHAEL M.D. Palm Springs 12,380 3,054 Allergy immunotherapy preparation $1,322 (2018-2024) Food & Beverage (100%) Very High
BUXA, GARY M.D. Redding 9,453 2,997 Allergy immunotherapy preparation $3,993 (2018-2024) Travel (53%) Very High
WILSON, MARK M.D. Rancho Mirage 8,642 2,932 Allergy skin test $1,437 (2018-2024) Food & Beverage (85%) Very High
WALZ, CHRISTOPHER M.D. Rancho Mirage 7,894 4,846 Office visit, established patient (20-29 min) $1,492 (2018-2024) Travel (64%) Very High
NAMAZIE, ALI MD Encino 7,686 3,407 Allergy skin test $5,671 (2018-2024) Food & Beverage (94%) Very High
WEISSBROD, PHILIP M.D. San Diego 6,760 1,601 Botox injection, per unit $718 (2018-2024) Food & Beverage (100%) Very High
ROTHHOLTZ, VANESSA M.D. Beverly Hills 6,676 4,587 Office visit, established patient (20-29 min) $365 (2019-2024) Food & Beverage (100%) Very High
CHHETRI, DINESH MD Los Angeles 6,002 2,165 Botox injection, per unit $9,454 (2018-2024) Consulting (69%) Very High
VANDERWERF, QUINTEN MEDICAL DORCTOR Rancho Mirage 5,988 3,146 Allergy skin test $349 (2018-2024) Food & Beverage (100%) Very High
ARMIN, BOB M.D. West Hills 5,451 4,456 Ear wax removal $6,994 (2018-2024) Travel (70%) Very High
MILLER, TODD M.D. Los Alamitos 5,042 2,844 Office visit, established patient (20-29 min) $242,581 (2018-2024) Consulting (81%) Very High
BERGSTROM, RICHARD M.D. Redding 4,991 2,459 Allergy immunotherapy preparation $1,495 (2018-2024) Food & Beverage (100%) Very High
HOPP, MARTIN MD PHD Los Angeles 4,978 2,043 Allergy skin test $8,412 (2018-2024) Food & Beverage (66%) Very High
NGUYEN, BAC MD West Covina 4,871 2,303 Office visit, established patient (20-29 min) $2,499 (2018-2024) Food & Beverage (96%) Very High
LUEG, EDGAR MD Ventura 4,605 2,314 Office visit, established patient (30-39 min) $1,490 (2018-2024) Food & Beverage (100%) Very High
JACKSON, CAROL M.D. Newport Beach 4,501 1,816 Self-care/home management training, per 15 min $30 (2023-2023) Food & Beverage (100%) Very High
BLOCK, ROBERT MD Salinas 4,389 1,348 Botox injection, per unit $3,390 (2018-2024) Food & Beverage (100%) Very High
ALAVI, ARMIN M.D. Ventura 4,019 2,226 Allergy skin test $1,501 (2018-2024) Food & Beverage (100%) Very High
TAN, JESSE MD Long Beach 3,890 2,890 Office visit, established patient (20-29 min) $18,042 (2018-2024) Food & Beverage (36%) Very High
KOUTNOUYAN, HRAIR MD Glendale 3,748 3,463 Office visit, established patient (20-29 min) $1,616 (2018-2024) Food & Beverage (97%) Very High
LOOS, BENJAMIN MD Walnut Creek 3,676 2,887 Office visit, established patient (20-29 min) $29 (2019-2022) Food & Beverage (100%) Very High
TENG, JAMES MD Tracy 3,636 1,342 Allergy immunotherapy preparation $91 (2019-2024) Food & Beverage (100%) Very High
AGBAYANI, ROMEO MD Greenbrae 3,594 2,784 Ear wax removal $21,469 (2018-2024) Travel (46%) Very High
JOHNSON, JACOB MD San Francisco 3,574 3,000 Comprehensive hearing and speech recognition test $11,343 (2018-2024) Consulting (54%) Very High
XIAO, CHRISTOPHER Santa Cruz 3,557 1,413 Skin allergy test $2,186 (2018-2024) Food & Beverage (53%) Very High
LUXFORD, WILLIAM MD Los Angeles 3,451 2,051 Microscopic ear examination $1,408 (2018-2024) Consulting (59%) Very High
FORD, LLOYD MD Concord 3,407 2,724 Office visit, established patient (20-29 min) $196 (2018-2024) Food & Beverage (100%) Very High
COHEN, MARC M.D. Tarzana 3,387 2,748 Office visit, established patient (20-29 min) $1,694 (2018-2024) Food & Beverage (100%) Very High
CHO, MICHAEL MD Mission Viejo 3,366 2,561 Office visit, established patient (30-39 min) $2,076 (2018-2024) Food & Beverage (100%) Very High
WILLIAMS, JAMES MD Covina 3,355 2,074 Office visit, established patient (30-39 min) $923 (2018-2024) Food & Beverage (100%) Very High
WESTER, JACOB MD Los Angeles 3,327 1,833 Office visit, established patient (30-39 min) $1,737 (2018-2024) Food & Beverage (100%) Very High
DAVIS, STEVEN M.D. Torrance 3,272 1,310 Allergy skin test $49,689 (2018-2024) Consulting (74%) Very High
WIKHOLM, RICHARD MD Santa Maria 3,236 2,727 Office visit, established patient (30-39 min) $2,250 (2018-2024) Food & Beverage (53%) Very High
ZECHOWY, STEFAN M.D. Santa Rosa 3,228 2,347 Office visit, established patient (20-29 min) $1,843 (2018-2024) Food & Beverage (100%) Very High
FEINBERG, STEVEN MD Newport Beach 3,190 1,952 Office visit, established patient (30-39 min) $4,311 (2018-2024) Food & Beverage (62%) Very High
WELLS, PHILLIP MD Mission Viejo 3,022 2,349 Office visit, established patient (30-39 min) $3,323 (2018-2024) Food & Beverage (63%) Very High
BATTAGLIA, STEVEN M.D. Pasadena 3,014 2,312 Office visit, established patient (20-29 min) $8,300 (2018-2024) Food & Beverage (60%) Very High
WU, ROBERT M. D. San Leandro 3,005 2,130 Office visit, established patient (20-29 min) $518 (2018-2024) Food & Beverage (100%) Very High
FEINSTEIN, AARON M.D., M.H.S. Tarzana 2,983 2,170 Office visit, established patient (20-29 min) $3,285 (2018-2024) Travel (44%) Very High
YU, KATHY M.D. Huntington Beach 2,892 1,679 Nasal endoscopy $11,702 (2018-2024) Food & Beverage (100%) Very High
ANWAR, ABBAS M.D. Santa Monica 2,856 2,134 Office visit, established patient (20-29 min) $5,366 (2018-2024) Food & Beverage (71%) Very High
SAJJADI, HAMED MD Stanford 2,809 2,431 Comprehensive hearing and speech recognition test $1,506 (2018-2024) Food & Beverage (59%) Very High
WAREHAM, MARTIN M.D. Simi Valley 2,684 2,189 Office visit, established patient (20-29 min) $1,319 (2018-2024) Food & Beverage (100%) Very High
JACOBSON, JOEL MD Monterey 2,678 1,856 Office visit, established patient (30-39 min) $4,140 (2018-2024) Food & Beverage (100%) Very High
AU, JOSHUA M.D. San Ramon 2,614 2,078 Office visit, established patient (20-29 min) $433 (2019-2024) Food & Beverage (100%) Very High
NGUYEN, NGHIA M.D. Huntington Beach 2,593 1,746 Office visit, established patient (20-29 min) $1,701 (2019-2024) Food & Beverage (59%) Very High
CHANG, ANGELA M.D. La Jolla 2,581 1,357 Allergy skin test $2,003 (2018-2024) Food & Beverage (90%) Very High
TSENG, JEFFREY M.D. Thousand Oaks 2,580 1,618 Office visit, established patient (20-29 min) $8,528 (2018-2023) Consulting (62%) Very High
CHAN, OSMUND M.D. Los Angeles 2,529 1,682 Microscopic ear examination $108 (2022-2024) Food & Beverage (100%) Very High
CEDARS, ELIZABETH M.D. Santa Rosa 2,512 1,961 Office visit, established patient (20-29 min) $2,464 (2018-2024) Food & Beverage (100%) Very High
Note: Otolaryngology encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →