Natalia Colocci, MD
NPI 1215948484ActiveIndividual· Internal Medicine, Medical Oncology· Palo Alto, CA
Internal Medicine, Medical Oncology (MD) in Palo Alto, California, trained at Harvard Medical School (class of 1999). In 2024 Medicare paid $1,604,023 for 500 patients, and Part D covered 799 of their prescriptions, 80% of them generic. Bayer Healthcare Pharmaceuticals Inc. was the largest of 4 companies reporting payments in 2025, $1,157 in all, mostly consulting fees.
Overview
| NPI | 1215948484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 11, 2006 |
| Last updated in NPPES | May 26, 2020 |
| Certified by provider | May 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A72747 | 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 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 500 |
|---|---|
| Services billed | 73,226 across 111 procedure codes |
| Paid by Medicare | $1,604,023 |
Part D prescriptions in 2024
| Prescriptions (claims) | 799 · 1,557 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $2,143,922 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Peninsula Medical CenterBurlingame, CA
Industry payments (Open Payments)
- 2025$1,157 · 8 payments from 4 companies
- 2024$262.27 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $911.77 | 2 |
| Astrazeneca Pharmaceuticals LP | $180.71 | 3 |
| Daiichi Sankyo Inc. | $43.46 | 2 |
| Iovance Biotherapeutics, Inc. | $20.87 | 1 |
What the 2025 payments were for
- Consulting Fee$890.00 · 1 payment
- Food and Beverage$266.81 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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