Kian Keyashian, M.D.
NPI 1215055140ActiveIndividual· Internal Medicine, Gastroenterology· Stanford, CA
Internal Medicine, Gastroenterology (M.D.) with Stanford Health Care, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $2,112,928 for 839 claims, against $90,352 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $151.79 in all, mostly food and beverage. Lists Stanford Health Care and 1 other hospital as hospital affiliations.
Overview
| NPI | 1215055140 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 27, 2007 |
| Last updated in NPPES | Apr 25, 2024 |
| Certified by provider | Apr 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A103886 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | MD159851 | OR |
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 | 493 |
|---|---|
| Services billed | 804 across 35 procedure codes |
| Paid by Medicare | $90,352 |
Part D prescriptions in 2024
| Prescriptions (claims) | 839 · 1,369 30-day fills |
|---|---|
| Patients | 321 |
| Total drug cost | $2,112,928 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$151.79 · 2 payments from 2 companies
- 2024$336.25 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $135.80 | 1 |
| Janssen Scientific Affairs, LLC | $15.99 | 1 |
What the 2025 payments were for
- Food and Beverage$151.79 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 gastroenterologists in Stanford · All gastroenterologists in California