Mallika Krishnan Marar, MD
NPI 1417418252ActiveIndividual· Radiology, Radiation Oncology· Stanford, CA
Radiology, Radiation Oncology (MD) with Stanford Health Care, practicing in Stanford, California. Mostly services rather than prescriptions: Medicare paid $8,529 for 20 patients in 2024, with only 23 Part D claims. Novartis Pharmaceuticals Corporation reported $134.98 in payments in 2025, mostly food and beverage. Lists Community Hospital of the Monterey Peninsula and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1417418252 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 26, 2019 |
| Last updated in NPPES | Oct 8, 2024 |
| Certified by provider | Oct 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A182470 | 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 - Radiation Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 92 across 19 procedure codes |
| Paid by Medicare | $8,529 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 35 30-day fills |
|---|---|
| Total drug cost | $173.52 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Community Hospital of the Monterey PeninsulaMonterey, CA
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$134.98 · 1 payment from 1 company
- 2024$308.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $134.98 | 1 |
What the 2025 payments were for
- Food and Beverage$134.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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