John Thomas Gallen, MD
NPI 1114993656ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Medford, OR
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Medford, Oregon, trained at Jefferson Medical College of Thomas Jefferson University (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,854,942 for 5,349 claims, against $81,778 paid for services in 2024. Amgen Inc. was the largest of 9 companies reporting payments in 2025, $455.69 in all, mostly food and beverage.
Overview
| NPI | 1114993656 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 24, 2006 |
| Last updated in NPPES | Oct 5, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD24846 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 682 |
|---|---|
| Services billed | 1,265 across 13 procedure codes |
| Paid by Medicare | $81,778 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,349 · 11,862 30-day fills |
|---|---|
| Patients | 839 |
| Total drug cost | $1,854,942 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- AsanteMedford, OR · 149 clinicians
Hospital affiliations
- Asante Ashland Community HospitalAshland, OR
- Asante Rogue Regional Medical CenterMedford, OR
- Asante Three Rivers Medical CenterGrants Pass, OR
- Fairchild Medical CenterYreka, CA
- Sky Lakes Medical CenterKlamath Falls, OR
Industry payments (Open Payments)
- 2025$455.69 · 20 payments from 9 companies
- 2024$93.30 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $159.38 | 7 |
| Novo Nordisk Inc | $99.85 | 4 |
| Tandem Diabetes Care, Inc. | $71.31 | 3 |
| Dexcom, Inc. | $24.38 | 1 |
| Medtronic, Inc. | $22.59 | 1 |
What the 2025 payments were for
- Food and Beverage$455.69 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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