Specialty Directory
Gastroenterology in Orange, CA
Federal CMS data for 13 gastroenterology providers practicing in Orange, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
13
Providers
Median industry payments
$12,510
13
Gastroenterology Providers
in Orange, CA
$12,510
Median Industry Payments
per provider (2018–2024)
1,300
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 |
|---|---|---|---|---|---|---|
| SINGH, HARDEEP M.D. | 3,535 | 1,932 | Chronic care management, additional 20 min/month | $12,461 (2018-2024) | Food & Beverage (100%) | Very High |
| LEE, JAMES MD | 2,484 | 1,157 | Chronic care management, additional 20 min/month | $12,510 (2018-2024) | Food & Beverage (100%) | Very High |
| ABOUSAIF, ALAA MD | 1,993 | 972 | Chronic care management, additional 20 min/month | $141,085 (2018-2024) | Consulting (67%) | Very High |
| NAJARIAN, HAIG MD | 1,925 | 914 | Chronic care management, additional 20 min/month | $12,106 (2018-2024) | Food & Beverage (100%) | Very High |
| LEE, JOHN MD | 1,596 | 1,456 | Endoscopic ultrasound of esophagus, stomach, or upper small bowel | $41,024 (2018-2024) | Consulting (77%) | Very High |
| TRIVEDI, KASHYAP MD | 1,540 | 1,017 | Office visit, established patient (30-39 min) | $11,647 (2018-2024) | Food & Beverage (93%) | Very High |
| SOWA, PIOTR M.D. | 1,300 | 1,126 | Upper GI endoscopy with biopsy | $49,959 (2018-2024) | Grant (95%) | Very High |
| KARNES, WILLIAM MD | 921 | 896 | Colon polyp removal with endoscopic snare | $1,006 (2018-2023) | Food & Beverage (100%) | Very High |
| SAMARASENA, JASON M.D. | 910 | 838 | Upper GI endoscopy with biopsy | $241,051 (2018-2024) | Consulting (38%) | Very High |
| STANTON, DAVID M.D. | 708 | 583 | Office visit, established patient (20-29 min) | $813 (2018-2024) | Food & Beverage (94%) | Very High |
| ALBERS, C GREGORY MD | 641 | 563 | Office visit, established patient, complex (40-54 min) | $512,194 (2018-2024) | Consulting (69%) | Very High |
| HU, KE-QIN MD | 563 | 519 | Ultrasound scan of organ tissue for measuring elasticity | $232,462 (2018-2024) | Consulting (67%) | Very High |
| LING, CHRISTINA M.D. | 507 | 432 | Upper GI endoscopy with biopsy | $1,785 (2018-2024) | Food & Beverage (94%) | 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.
By Practice Pattern
Gastroenterology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (11)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| SINGH, HARDEEP | 3,535 | $12,461 |
| LEE, JAMES | 2,484 | $12,510 |
| ABOUSAIF, ALAA | 1,993 | $141,085 |
| NAJARIAN, HAIG | 1,925 | $12,106 |
| TRIVEDI, KASHYAP | 1,540 | $11,647 |
| SOWA, PIOTR | 1,300 | $49,959 |
| KARNES, WILLIAM | 921 | $1,006 |
| STANTON, DAVID | 708 | $813 |
| ALBERS, C GREGORY | 641 | $512,194 |
| HU, KE-QIN | 563 | $232,462 |
Mixed Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| LEE, JOHN | 1,596 | $41,024 |
| SAMARASENA, JASON | 910 | $241,051 |