Al G. Sumaquial, MD
NPI 1073665204ActiveIndividual· Internal Medicine· Antioch, CA
Internal Medicine (MD) with Permanente Medical Group Inc, practicing in Antioch, California. Their prescriptions cost Medicare Part D more than their services did: $303,362 for 5,994 claims, against $1,845 paid for services in 2024. Lists Kaiser Foundation Hospital - Walnut Creek as a hospital affiliation.
Overview
| NPI | 1073665204 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 17, 2007 |
| Last updated in NPPES | Dec 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A96625 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 29 across 6 procedure codes |
| Paid by Medicare | $1,845 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,994 · 14,620 30-day fills |
|---|---|
| Patients | 726 |
| Total drug cost | $303,362 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - Walnut CreekWalnut Creek, 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 67 internal medicine physicians in Antioch · All internal medicine physicians in California