Scott Gerald Ahl, D.O.
NPI 1558674523ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Huntington Beach, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (D.O.) in Huntington Beach, California, trained at Arizona College of Osteopathic Medicine Mid Western University (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $1,141,210 for 2,589 claims, against $107,110 paid for services in 2024. Insulet Corporation was the largest of 5 companies reporting payments in 2025, $246.26 in all, mostly food and beverage.
Overview
| NPI | 1558674523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2010 |
| Last updated in NPPES | May 29, 2026 |
| Certified by provider | May 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 20A-12063 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 287 |
|---|---|
| Services billed | 3,635 across 22 procedure codes |
| Paid by Medicare | $107,110 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,589 · 5,808 30-day fills |
|---|---|
| Patients | 385 |
| Total drug cost | $1,141,210 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | Arizona College of Osteopathic Medicine Mid Western University |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Hoag ClinicNewport Beach, CA · 460 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$246.26 · 9 payments from 5 companies
- 2024$39.94 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insulet Corporation | $91.45 | 4 |
| Mannkind Corporation | $85.00 | 2 |
| Sequel Med Tech, LLC | $27.68 | 1 |
| Ascendis Pharma Endocrinology Inc | $21.41 | 1 |
| Novo Nordisk Inc | $20.72 | 1 |
What the 2025 payments were for
- Food and Beverage$161.26 · 7 payments
- Education$85.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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