Isaac Anthony Bartley, M.D.
NPI 1710088729ActiveIndividual· Internal Medicine, Gastroenterology· Glendale, CA
Internal Medicine, Gastroenterology (M.D.) in Glendale, California, trained at Tufts University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $351,372 for 529 claims, against $153,496 paid for services in 2024.
Overview
| NPI | 1710088729 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 25, 2006 |
| Last updated in NPPES | Oct 6, 2026 |
| Certified by provider | Oct 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | G50351 | 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 | 392 |
|---|---|
| Services billed | 1,560 across 36 procedure codes |
| Paid by Medicare | $153,496 |
Part D prescriptions in 2024
| Prescriptions (claims) | 529 · 922 30-day fills |
|---|---|
| Patients | 200 |
| Total drug cost | $351,372 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Glendale Adventist Medical CenterGlendale, CA
- Keck Hospital of UscLos Angeles, CA
- Usc Verdugo Hills HospitalGlendale, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 gastroenterologists in Glendale · All gastroenterologists in California