Specialty Directory
Gastroenterology in Walnut Creek, CA
Federal CMS data for 13 gastroenterology providers practicing in Walnut Creek, CA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
13
Providers
Median industry payments
$3,708
13
Gastroenterology Providers
in Walnut Creek, CA
$3,708
Median Industry Payments
per provider (2018–2024)
819
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 |
|---|---|---|---|---|---|---|
| GILL, KANWAR M.D. | 2,068 | 1,807 | Upper GI endoscopy with biopsy | $116,065 (2018-2024) | Consulting (85%) | Very High |
| ZHENG, YI M.D. | 1,848 | 1,584 | Office visit, established patient (30-39 min) | $3,708 (2018-2024) | Food & Beverage (71%) | Very High |
| FANG, MING MD | 1,333 | 1,152 | Office visit, established patient (30-39 min) | $2,024 (2018-2024) | Food & Beverage (91%) | Very High |
| CHIN, MATTHEW M.D. | 1,306 | 1,179 | Upper GI endoscopy with biopsy | $3,408 (2018-2024) | Food & Beverage (81%) | Very High |
| SCHEMBRE, DREW MD | 1,225 | 1,092 | Hospital follow-up visit, moderate complexity | $743,871 (2018-2024) | Royalty/License (98%) | Very High |
| ZAMANI, SAM SAEED M.D. | 1,040 | 1,006 | Office visit, established patient (30-39 min) | $4,139 (2018-2024) | Food & Beverage (100%) | Very High |
| ANAND, ROHIT MD | 819 | 776 | Colonoscopy with biopsy | $622 (2018-2024) | Food & Beverage (100%) | Very High |
| VU JAMES, HONGHA M.D. | 799 | 755 | Colonoscopy with biopsy | $4,761 (2018-2024) | Food & Beverage (100%) | Very High |
| MULLEN, CYNTHIA M.D. | 770 | 713 | Office visit, established patient (30-39 min) | $1,155 (2018-2024) | Food & Beverage (95%) | Very High |
| KELEDJIAN, VARUJAN M.D. | 649 | 620 | Office visit, established patient (30-39 min) | $4,188 (2018-2024) | Food & Beverage (89%) | Very High |
| TARDER, GERALD M.D. | 562 | 485 | Office visit, established patient (30-39 min) | $880 (2018-2022) | Food & Beverage (83%) | Very High |
| JALALI, FARID M.D. | 512 | 409 | Hospital follow-up visit, moderate complexity | $1,406 (2018-2024) | Food & Beverage (100%) | Very High |
| GHORBANI, SHIREEN M.D. | 495 | 460 | Colon polyp removal with endoscopic snare | $4,922 (2018-2024) | Consulting (61%) | 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 |
|---|---|---|
| GILL, KANWAR | 2,068 | $116,065 |
| ZHENG, YI | 1,848 | $3,708 |
| FANG, MING | 1,333 | $2,024 |
| SCHEMBRE, DREW | 1,225 | $743,871 |
| ZAMANI, SAM SAEED | 1,040 | $4,139 |
| VU JAMES, HONGHA | 799 | $4,761 |
| MULLEN, CYNTHIA | 770 | $1,155 |
| KELEDJIAN, VARUJAN | 649 | $4,188 |
| TARDER, GERALD | 562 | $880 |
| JALALI, FARID | 512 | $1,406 |
Mixed Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| CHIN, MATTHEW | 1,306 | $3,408 |
| ANAND, ROHIT | 819 | $622 |