Peter Corrigan Acker, MD
NPI 1639480718ActiveIndividual· Emergency Medicine· Stanford, CA
Emergency Medicine (MD) in Stanford, California, trained at Tufts University School of Medicine (class of 2010). 327 Medicare patients in 2024, $45,481 paid; nearly all of their 70 Part D prescriptions were generic (93%).
Overview
| NPI | 1639480718 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2010 |
| Last updated in NPPES | Mar 14, 2024 |
| Certified by provider | Mar 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A124940 | CA |
| Emergency Medicine | 207P00000X | 125.057498 | IL |
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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 393 across 37 procedure codes |
| Paid by Medicare | $45,481 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 70 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $2,099 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Emergency Medicine |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, 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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