Michael Joel Mendoza, M.D.
NPI 1902989668ActiveIndividual· Internal Medicine, Gastroenterology· Monterey, CA
Internal Medicine, Gastroenterology (M.D.) in Monterey, California, trained at University of California, Geffen School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $679,798 for 1,101 claims, against $184,519 paid for services in 2024. Boston Scientific Corporation was the largest of 11 companies reporting payments in 2025, $2,205 in all, mostly travel and lodging.
Overview
| NPI | 1902989668 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 23, 2006 |
| Last updated in NPPES | Dec 18, 2020 |
| Certified by provider | Dec 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A77129 | CA |
| Internal Medicine | 207R00000X | A77129 | CA |
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 | 758 |
|---|---|
| Services billed | 1,610 across 76 procedure codes |
| Paid by Medicare | $184,519 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,101 · 2,178 30-day fills |
|---|---|
| Patients | 375 |
| Total drug cost | $679,798 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Monterey Bay Gi Consultants Medical Group IncMonterey, CA · 21 clinicians
- Salinas Valley Memorial Healthcare SystemGonzales, CA · 20 clinicians
Hospital affiliations
- Community Hospital of the Monterey PeninsulaMonterey, CA
- Natividad Medical CenterSalinas, CA
- Salinas Valley Health Medical CenterSalinas, CA
Industry payments (Open Payments)
- 2025$2,205 · 28 payments from 11 companies
- 2024$102.43 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $1,607 | 11 |
| Mirum Pharmaceuticals, Inc. | $261.07 | 2 |
| Abbvie Inc. | $72.58 | 4 |
| Biocon Biologics Inc | $52.69 | 2 |
| Ipsen Biopharmaceuticals, Inc | $52.04 | 2 |
What the 2025 payments were for
- Travel and Lodging$1,223 · 3 payments
- Food and Beverage$982.17 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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