Alexei Adan
NPI 1679968978ActiveIndividual· Emergency Medicine· Castro Valley, CA
Emergency Medicine in Castro Valley, California, trained at Perelman School of Med at the University of Pennsylvania (class of 2015). 508 Medicare patients in 2024, $83,907 paid; nearly all of their 385 Part D prescriptions were generic (92%).
Overview
| NPI | 1679968978 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 2, 2015 |
| Last updated in NPPES | Feb 26, 2021 |
| Certified by provider | Feb 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A161408 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 508 |
|---|---|
| Services billed | 889 across 42 procedure codes |
| Paid by Medicare | $83,907 |
Part D prescriptions in 2024
| Prescriptions (claims) | 385 · 387 30-day fills |
|---|---|
| Patients | 206 |
| Total drug cost | $6,758 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Emergency Medicine |
Medical group
- Eden Emergency Medical Group IncCastro Valley, CA · 28 clinicians
Hospital affiliation
- Eden Medical CenterCastro Valley, 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 20 emergency medicine physicians in Castro Valley · All emergency medicine physicians in California