Megan Kathryn Palmisano, M.D.
NPI 1013336999ActiveIndividual· Internal Medicine· Palo Alto, CA
Internal Medicine (M.D.) in Palo Alto, California, trained at Vanderbilt University School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $154,416 for 1,841 claims, against $76,302 paid for services in 2024. Astellas Pharma US Inc reported $26.25 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1013336999 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 8, 2014 |
| Last updated in NPPES | Jan 5, 2021 |
| Certified by provider | Jan 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A155401 | CA |
| Internal Medicine | 207R00000X | 55294 | TN |
| Hospitalist | 208M00000X | 55294 | TN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 192 |
|---|---|
| Services billed | 735 across 26 procedure codes |
| Paid by Medicare | $76,302 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,841 · 4,525 30-day fills |
|---|---|
| Patients | 223 |
| Total drug cost | $154,416 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Industry payments (Open Payments)
- 2025$26.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $26.25 | 1 |
What the 2025 payments were for
- Food and Beverage$26.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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