Rishi Krishan Sharma, M.D.
NPI 1992969281ActiveIndividual· Internal Medicine, Gastroenterology· Walnut Creek, CA
Internal Medicine, Gastroenterology (M.D.) in Walnut Creek, California, trained at Wayne State University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $730,550 for 1,971 claims, against $263,675 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $1,155 in all, mostly food and beverage.
Overview
| NPI | 1992969281 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 15, 2008 |
| Last updated in NPPES | Apr 20, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A136774 | CA |
| Internal Medicine | 207R00000X | 4301092698 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 852 |
|---|---|
| Services billed | 2,002 across 47 procedure codes |
| Paid by Medicare | $263,675 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,971 · 3,355 30-day fills |
|---|---|
| Patients | 711 |
| Total drug cost | $730,550 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$1,155 · 48 payments from 14 companies
- 2024$845.16 · 36 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $498.70 | 22 |
| Janssen Biotech, Inc. | $217.95 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $91.53 | 4 |
| Cook Medical LLC | $61.17 | 1 |
| Aimmune Therapeutics, Inc. | $44.96 | 2 |
What the 2025 payments were for
- Food and Beverage$1,155 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 gastroenterologists in Walnut Creek · All gastroenterologists in California