Gregory Idos, M.D.
NPI 1770769937ActiveIndividual· Internal Medicine, Gastroenterology· Duarte, CA
Internal Medicine, Gastroenterology (M.D.) in Duarte, California, trained at University of Vermont College of Medicine (class of 2006). In 2024 Medicare paid $68,545 for 313 patients, and Part D covered 88 of their prescriptions, 81% of them generic. Fujifilm Healthcare Americas Corporation was the largest of 3 companies reporting payments in 2025, $234.26 in all, mostly food and beverage.
Overview
| NPI | 1770769937 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 17, 2008 |
| Last updated in NPPES | Nov 4, 2020 |
| Certified by provider | Nov 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A102184 | CA |
| Internal Medicine | 207R00000X | A102184 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 313 |
|---|---|
| Services billed | 536 across 33 procedure codes |
| Paid by Medicare | $68,545 |
Part D prescriptions in 2024
| Prescriptions (claims) | 88 · 132 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $12,242 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2025$234.26 · 4 payments from 3 companies
- 2024$263.36 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fujifilm Healthcare Americas Corporation | $113.55 | 2 |
| Myriad Genetic Laboratories, Inc. | $107.14 | 1 |
| Daiichi Sankyo Inc. | $13.57 | 1 |
What the 2025 payments were for
- Food and Beverage$234.26 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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