Specialty Directory
Internal Medicine in Oxnard, CA
Federal CMS data for 27 internal medicine providers practicing in Oxnard, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
27
Providers
Median industry payments
$2,674
27
Internal Medicine Providers
in Oxnard, CA
$2,674
Median Industry Payments
per provider (2018–2024)
1,260
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.
Internal Medicine includes multiple subspecialties with different practice patterns.
Learn more →
Internal Medicine Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| DALSANIA, CHIRAG M.D. | 11,129 | 3,380 | Blood draw (venipuncture) | $7,912 (2018-2024) | Food & Beverage (94%) | Very High |
| NGUYEN, RICHARD M.D. | 9,529 | 2,598 | Behavioral health care management, 20+ minutes | $309 (2018-2023) | Food & Beverage (100%) | Very High |
| DEMIAN, ROMANY M.D. | 3,681 | 827 | Office visit, established patient (30-39 min) | $23,699 (2018-2024) | Food & Beverage (92%) | Very High |
| WEYMER, ANDREW M.D. | 2,588 | 1,430 | Office visit, established patient (30-39 min) | $4,851 (2018-2024) | Food & Beverage (91%) | Very High |
| BRANA, CHRISTOPHER M.D. | 2,539 | 1,207 | Office visit, established patient, complex (40-54 min) | $2,827 (2019-2024) | Food & Beverage (100%) | Very High |
| MARASIGAN, JUSTIN DO | 2,374 | 1,217 | Chronic care management, additional 20 min/month | $5,218 (2018-2024) | Food & Beverage (100%) | Very High |
| NELSON, GERGANA MD | 2,065 | 1,309 | Office visit, established patient (30-39 min) | $1,904 (2018-2024) | Food & Beverage (93%) | Very High |
| HAYRABEDIAN, MOVSES MD | 2,033 | 1,132 | Hospital follow-up visit, high complexity | $513 (2020-2024) | Food & Beverage (84%) | Very High |
| MAEHARA, DARREN M.D. | 1,952 | 1,037 | Hospital follow-up visit, high complexity | $12,389 (2019-2024) | Education (84%) | Very High |
| SHENOUDA, JACK M.D. | 1,905 | 1,009 | Hospital follow-up visit, high complexity | $2,613 (2018-2024) | Food & Beverage (100%) | Very High |
| NIRAULA, RAJENDRA MD | 1,726 | 665 | Hospital follow-up visit, high complexity | $53 (2018-2023) | Food & Beverage (74%) | Very High |
| NGUYEN, ROBERT MD | 1,677 | 836 | Hospital follow-up visit, high complexity | $1,084 (2018-2024) | Food & Beverage (100%) | Very High |
| NEIRA, SERGIO M.D. | 1,469 | 1,141 | Office visit, established patient (30-39 min) | $19,424 (2018-2024) | Food & Beverage (100%) | Very High |
| WALIA, SUKHPREET M.D. | 1,260 | 1,132 | Office visit, established patient (20-29 min) | $8,771 (2018-2024) | Food & Beverage (100%) | Very High |
| KOPSTEIN, JEFFREY DO | 1,258 | 509 | Functional activity therapy | $867 (2018-2024) | Food & Beverage (100%) | Very High |
| MESCHER-COX, MEGAN D.O. | 1,165 | 686 | Office visit, established patient (30-39 min) | $724 (2018-2024) | Food & Beverage (100%) | Very High |
| ALCOCER, VICTOR M.D. | 1,042 | 746 | Office visit, established patient (30-39 min) | $17,550 (2018-2024) | Food & Beverage (100%) | Very High |
| CARAZAS, OSCAR MD | 1,022 | 515 | Hospital follow-up visit, high complexity | $182 (2018-2021) | Food & Beverage (100%) | Very High |
| CISARIK, PAUL MD | 950 | 427 | Chronic care management, first 20 min/month | $3,199 (2018-2024) | Food & Beverage (100%) | Very High |
| GROSSMAN, LEAH MD | 898 | 468 | Hospital follow-up visit, high complexity | $634 (2019-2024) | Food & Beverage (100%) | Very High |
| CLAYTON, DOROTHEA M.D. | 894 | 318 | Chronic care management, first 20 min/month | $2,674 (2018-2024) | Food & Beverage (100%) | Very High |
| FOCIL, AUGUSTO M.D.,M.P.H.,CCD | 868 | 410 | Office visit, established patient (30-39 min) | $7,373 (2018-2024) | Food & Beverage (53%) | Very High |
| CHOPRA, PREETI M.D. | 866 | 300 | Allergy injection therapy, multiple injections | $92,821 (2018-2024) | Consulting (68%) | Very High |
| WALTERS, JOHN MD | 752 | 251 | Office visit, established patient (30-39 min) | $692 (2018-2023) | Food & Beverage (100%) | Very High |
| TAICH, ZACHARY MD | 724 | 476 | Hospital follow-up visit, high complexity | $6,974 (2021-2024) | Education (88%) | Very High |
| DAOUD, NATALIE DO | 715 | 348 | Hospital follow-up visit, high complexity | $925 (2018-2024) | Food & Beverage (100%) | Very High |
| SO, BENNYSON YOUNG MD | 523 | 236 | Critical care, first 30-74 min | $47 (2022-2022) | Food & Beverage (100%) | Very High |
Note: Internal Medicine 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.
By Practice Pattern
Internal Medicine encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (23)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| DALSANIA, CHIRAG | 11,129 | $7,912 |
| NGUYEN, RICHARD | 9,529 | $309 |
| DEMIAN, ROMANY | 3,681 | $23,699 |
| WEYMER, ANDREW | 2,588 | $4,851 |
| BRANA, CHRISTOPHER | 2,539 | $2,827 |
| MARASIGAN, JUSTIN | 2,374 | $5,218 |
| NELSON, GERGANA | 2,065 | $1,904 |
| HAYRABEDIAN, MOVSES | 2,033 | $513 |
| MAEHARA, DARREN | 1,952 | $12,389 |
| SHENOUDA, JACK | 1,905 | $2,613 |
Mixed Practice (4)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| KOPSTEIN, JEFFREY | 1,258 | $867 |
| TAICH, ZACHARY | 724 | $6,974 |
| DAOUD, NATALIE | 715 | $925 |
| SO, BENNYSON YOUNG | 523 | $47 |