Mark Pimentel, M.D.
NPI 1750319356ActiveIndividual· Internal Medicine, Gastroenterology· Los Angeles, CA
Internal Medicine, Gastroenterology (M.D.) with Cedars-Sinai Medical Center, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $54,620 for 104 claims, against $9,064 paid for services in 2024. Ardelyx, Inc. was the largest of 3 companies reporting payments in 2025, $4,558 in all, mostly education. Lists Cedars-Sinai Medical Center as a hospital affiliation.
Overview
| NPI | 1750319356 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2006 |
| Last updated in NPPES | Aug 6, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A60576 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 181 |
|---|---|
| Services billed | 308 across 14 procedure codes |
| Paid by Medicare | $9,064 |
Part D prescriptions in 2024
| Prescriptions (claims) | 104 · 139 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $54,620 |
| Generic share | 61% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical CenterWest Hollywood, CA · 799 clinicians
Hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$4,558 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $4,500 | 1 |
| Abbvie Inc. | $33.36 | 1 |
| Madrigal Pharmaceuticals | $24.64 | 1 |
What the 2025 payments were for
- Education$4,500 · 1 payment
- Food and Beverage$58.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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