Specialty Directory
Gastroenterology in Chula Vista, CA
Federal CMS data for 6 gastroenterology providers practicing in Chula Vista, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
6
Providers
Median industry payments
$2,506
6
Gastroenterology Providers
in Chula Vista, CA
$2,506
Median Industry Payments
per provider (2018–2024)
839
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.
Gastroenterology includes multiple subspecialties with different practice patterns.
Learn more →
Gastroenterology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| JOHNSON, MARK M.D. | 1,086 | 683 | Hospital follow-up visit, high complexity | $3,188 (2018-2023) | Food & Beverage (83%) | Very High |
| SINGER, EDWARD M.D. | 907 | 762 | Office visit, established patient (30-39 min) | $1,483 (2018-2024) | Food & Beverage (91%) | Very High |
| KORN, ERROL M.D. | 867 | 643 | Hospital follow-up visit, moderate complexity | $1,825 (2018-2024) | Travel (69%) | Very High |
| WIENER, GREGORY M.D | 811 | 687 | Office visit, established patient (30-39 min) | $5,912 (2018-2024) | Food & Beverage (99%) | Very High |
| DUQUE, JOHN M.D. | 422 | 386 | Office visit, established patient (30-39 min) | $1,453 (2018-2024) | Food & Beverage (91%) | Very High |
| CUBAS, IVAN MD | 315 | 297 | Upper GI endoscopy with biopsy | $4,324 (2018-2024) | Food & Beverage (100%) | Very High |
Note: Gastroenterology 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.