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)
1,168
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; disclosure alone establishes neither wrongdoing nor legality.
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 | — | Allergy immunotherapy preparation | $1,322 (2018-2024) | — | Very High |
| BUXA, GARY M.D. | Redding | 9,453 | — | Allergy immunotherapy preparation | $3,993 (2018-2024) | — | Very High |
| WILSON, MARK M.D. | Rancho Mirage | 8,642 | — | Allergy skin test | $1,437 (2018-2024) | — | Very High |
| WALZ, CHRISTOPHER M.D. | Rancho Mirage | 7,911 | — | Office visit, established patient (20-29 min) | $1,492 (2018-2024) | — | Very High |
| NAMAZIE, ALI MD | Encino | 7,686 | — | Allergy skin test | $5,671 (2018-2024) | — | Very High |
| WEISSBROD, PHILIP M.D. | San Diego | 6,760 | — | Botox injection, per unit | $718 (2018-2024) | — | Very High |
| ROTHHOLTZ, VANESSA M.D. | Beverly Hills | 6,676 | — | Office visit, established patient (20-29 min) | $365 (2019-2024) | — | Very High |
| CHHETRI, DINESH MD | Los Angeles | 6,043 | — | Botox injection, per unit | $9,454 (2018-2024) | — | Very High |
| VANDERWERF, QUINTEN MEDICAL DORCTOR | Rancho Mirage | 5,988 | — | Allergy skin test | $349 (2018-2024) | — | Very High |
| ARMIN, BOB M.D. | West Hills | 5,451 | — | Ear wax removal | $6,994 (2018-2024) | — | Very High |
| MILLER, TODD M.D. | Los Alamitos | 5,060 | — | Office visit, established patient (20-29 min) | $242,581 (2018-2024) | — | Very High |
| BERGSTROM, RICHARD M.D. | Redding | 5,008 | — | Allergy immunotherapy preparation | $1,495 (2018-2024) | — | Very High |
| HOPP, MARTIN MD PHD | Los Angeles | 4,978 | — | Allergy skin test | $8,412 (2018-2024) | — | Very High |
| NGUYEN, BAC MD | West Covina | 4,900 | — | Office visit, established patient (20-29 min) | $2,499 (2018-2024) | — | Very High |
| LUEG, EDGAR MD | Ventura | 4,605 | — | Office visit, established patient (30-39 min) | $1,490 (2018-2024) | — | Very High |
| JACKSON, CAROL M.D. | Newport Beach | 4,501 | — | Self-care/home management training, per 15 min | $30 (2023-2023) | — | Very High |
| BLOCK, ROBERT MD | Salinas | 4,404 | — | Botox injection, per unit | $3,390 (2018-2024) | — | Very High |
| ALAVI, ARMIN M.D. | Ventura | 4,019 | — | Allergy skin test | $1,501 (2018-2024) | — | Very High |
| TAN, JESSE MD | Long Beach | 3,918 | — | Office visit, established patient (20-29 min) | $18,042 (2018-2024) | — | Very High |
| KOUTNOUYAN, HRAIR MD | Glendale | 3,748 | — | Office visit, established patient (20-29 min) | $1,616 (2018-2024) | — | Very High |
| LOOS, BENJAMIN MD | Walnut Creek | 3,676 | — | Office visit, established patient (20-29 min) | $29 (2019-2022) | — | Very High |
| TENG, JAMES MD | Tracy | 3,636 | — | Allergy immunotherapy preparation | $91 (2019-2024) | — | Very High |
| JOHNSON, JACOB MD | San Francisco | 3,596 | — | Comprehensive hearing and speech recognition test | $11,343 (2018-2024) | — | Very High |
| AGBAYANI, ROMEO MD | Greenbrae | 3,594 | — | Ear wax removal | $21,469 (2018-2024) | — | Very High |
| XIAO, CHRISTOPHER | Santa Cruz | 3,557 | — | Skin allergy test | $2,186 (2018-2024) | — | Very High |
| LUXFORD, WILLIAM MD | Los Angeles | 3,451 | — | Microscopic ear examination | $1,408 (2018-2024) | — | Very High |
| FORD, LLOYD MD | Concord | 3,407 | — | Office visit, established patient (20-29 min) | $196 (2018-2024) | — | Very High |
| COHEN, MARC M.D. | Tarzana | 3,387 | — | Office visit, established patient (20-29 min) | $1,694 (2018-2024) | — | Very High |
| CHO, MICHAEL MD | Mission Viejo | 3,366 | — | Office visit, established patient (30-39 min) | $2,076 (2018-2024) | — | Very High |
| WILLIAMS, JAMES MD | Covina | 3,355 | — | Office visit, established patient (30-39 min) | $923 (2018-2024) | — | Very High |
| WESTER, JACOB MD | Los Angeles | 3,327 | — | Office visit, established patient (30-39 min) | $1,737 (2018-2024) | — | Very High |
| DAVIS, STEVEN M.D. | Torrance | 3,272 | — | Allergy skin test | $49,689 (2018-2024) | — | Very High |
| WIKHOLM, RICHARD MD | Santa Maria | 3,236 | — | Office visit, established patient (30-39 min) | $2,250 (2018-2024) | — | Very High |
| ZECHOWY, STEFAN M.D. | Santa Rosa | 3,228 | — | Office visit, established patient (20-29 min) | $1,843 (2018-2024) | — | Very High |
| FEINBERG, STEVEN MD | Newport Beach | 3,190 | — | Office visit, established patient (30-39 min) | $4,311 (2018-2024) | — | Very High |
| WELLS, PHILLIP MD | Mission Viejo | 3,022 | — | Office visit, established patient (30-39 min) | $3,323 (2018-2024) | — | Very High |
| BATTAGLIA, STEVEN M.D. | Pasadena | 3,014 | — | Office visit, established patient (20-29 min) | $8,300 (2018-2024) | — | Very High |
| WU, ROBERT M. D. | San Leandro | 3,005 | — | Office visit, established patient (20-29 min) | $518 (2018-2024) | — | Very High |
| FEINSTEIN, AARON M.D., M.H.S. | Tarzana | 2,983 | — | Office visit, established patient (20-29 min) | $3,285 (2018-2024) | — | Very High |
| YU, KATHY M.D. | Huntington Beach | 2,892 | — | Nasal endoscopy | $11,702 (2018-2024) | — | Very High |
| ANWAR, ABBAS M.D. | Santa Monica | 2,856 | — | Office visit, established patient (20-29 min) | $5,366 (2018-2024) | — | Very High |
| SAJJADI, HAMED MD | Stanford | 2,809 | — | Comprehensive hearing and speech recognition test | $1,506 (2018-2024) | — | Very High |
| WAREHAM, MARTIN M.D. | Simi Valley | 2,684 | — | Office visit, established patient (20-29 min) | $1,319 (2018-2024) | — | Very High |
| JACOBSON, JOEL MD | Monterey | 2,678 | — | Office visit, established patient (30-39 min) | $4,140 (2018-2024) | — | Very High |
| AU, JOSHUA M.D. | San Ramon | 2,614 | — | Office visit, established patient (20-29 min) | $433 (2019-2024) | — | Very High |
| NGUYEN, NGHIA M.D. | Huntington Beach | 2,593 | — | Office visit, established patient (20-29 min) | $1,701 (2019-2024) | — | Very High |
| CHANG, ANGELA M.D. | La Jolla | 2,581 | — | Allergy skin test | $2,003 (2018-2024) | — | Very High |
| TSENG, JEFFREY M.D. | Thousand Oaks | 2,580 | — | Office visit, established patient (20-29 min) | $8,528 (2018-2023) | — | Very High |
| CHAN, OSMUND M.D. | Los Angeles | 2,529 | — | Microscopic ear examination | $108 (2022-2024) | — | Very High |
| CEDARS, ELIZABETH M.D. | Santa Rosa | 2,512 | — | Office visit, established patient (20-29 min) | $2,464 (2018-2024) | — | 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.