Ariel Marks, M.D
NPI 1568552438ActiveIndividual· Emergency Medicine· Redwood City, CA
Emergency Medicine (M.D) in Redwood City, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1994). 1,023 Medicare patients in 2024, $130,077 paid; nearly all of their 504 Part D prescriptions were generic (91%).
Overview
| NPI | 1568552438 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Oct 10, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A54588 | 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 | 1,023 |
|---|---|
| Services billed | 1,886 across 55 procedure codes |
| Paid by Medicare | $130,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 504 · 509 30-day fills |
|---|---|
| Patients | 322 |
| Total drug cost | $12,351 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Emergency Medicine |
Medical group
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
Hospital affiliation
- Sequoia HospitalRedwood City, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other emergency medicine physicians in Redwood City
- 1285708503
- 1851956833
- 1538122635
- 1598401044
- 1013964311
- 1134207798
- 1134682552
- 1174011647
- 1346328903
- 1447756259
- 1598253114
- 1730543471
All 40 emergency medicine physicians in Redwood City · All emergency medicine physicians in California