Matthew Sievers Alkaitis, MD
NPI 1063041986ActiveIndividual· Internal Medicine· Stanford, CA
Internal Medicine (MD) in Stanford, California, trained at Harvard Medical School (class of 2020). Mostly services rather than prescriptions: Medicare paid $75,935 for 223 patients in 2024, with only 20 Part D claims. Glaxosmithkline, LLC. reported $65.14 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1063041986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 2, 2020 |
| Last updated in NPPES | Apr 17, 2024 |
| Certified by provider | Apr 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A185534 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 689 across 14 procedure codes |
| Paid by Medicare | $75,935 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20 · 34 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $3,659 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Internal Medicine |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$65.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $65.14 | 1 |
What the 2025 payments were for
- Food and Beverage$65.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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