Ana Isabel Velazquez, MD MSC
NPI 1144647421ActiveIndividual· Internal Medicine, Medical Oncology· San Francisco, CA
Internal Medicine, Medical Oncology (MD MSC) in San Francisco, California, trained at University of Puerto Rico School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $1,788,169 for 401 claims, against $49,379 paid for services in 2024. Astrazeneca Uk Limited was the largest of 11 companies reporting payments in 2025, $46,811 in all, mostly consulting fees.
Overview
| NPI | 1144647421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD MSC |
| Sole proprietor | No |
| NPI issued | Mar 25, 2014 |
| Last updated in NPPES | Jun 23, 2026 |
| Certified by provider | Jun 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A154830 | CA |
| Internal Medicine, Medical Oncology | 207RX0202X | 024711 | PR |
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 - Medical Oncology (CA); Practitioner - Medical Oncology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 766 across 22 procedure codes |
| Paid by Medicare | $49,379 |
Part D prescriptions in 2024
| Prescriptions (claims) | 401 · 545 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $1,788,169 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
- University of California Sfgh Medical GroupSan Francisco, CA · 587 clinicians
Hospital affiliations
- UCSF Health Saint Francis HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, CA
Industry payments (Open Payments)
- 2025$46,811 · 34 payments from 11 companies
- 2024$31,195 · 40 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Uk Limited | $14,760 | 2 |
| Janssen Biotech, Inc. | $13,444 | 16 |
| Janssen Scientific Affairs, LLC | $3,330 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $3,045 | 1 |
| Astrazeneca Pharmaceuticals LP | $2,996 | 2 |
What the 2025 payments were for
- Consulting Fee$44,899 · 16 payments
- Travel and Lodging$1,060 · 4 payments
- Food and Beverage$851.60 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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