Natalia Colocci, MD
NPI 1215948484 · Medical Oncology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalia Colocci, MD is a Medical Oncology Physician provider in Palo Alto, CA (NPI 1215948484).
Provider details
- NPI number
- 1215948484
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A72747 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,665 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 368 | $216 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 189 | $85 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 176 | $154 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 135 | $177 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Each Additional Hour96366 | 117 | $26 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 115 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 212 | 65 |
| Tamoxifen Citrate | 79 | 22 |
| Enzalutamidebrand: Xtandi | 43 | — |
| Prochlorperazine Maleate | 40 | 26 |
| Prednisone | 33 | — |
| Apalutamidebrand: Erleada | 33 | — |
| Abiraterone Acetate | 32 | — |
| Exemestane |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$262 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-11
- Last updated
- 2020-05-26
- Certified
- 2020-05-26
Frequently asked questions
- What is Natalia Colocci's NPI number?
- Natalia Colocci's National Provider Identifier (NPI) is 1215948484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalia Colocci's specialty?
- Natalia Colocci is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Natalia Colocci located?
- Natalia Colocci's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Natalia Colocci's phone number?
- The practice phone number listed in the NPPES registry for Natalia Colocci is (650) 321-4121.
- Does Natalia Colocci accept Medicare?
- Natalia Colocci is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalia Colocci's NPI active?
- Yes — Natalia Colocci's NPI (1215948484) is active in the NPPES registry as of the last update on 2020-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.