Alfredo Lopez, MD
NPI 1033297668 · Hematology & Oncology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfredo Lopez, MD is a Hematology & Oncology Physician provider in San Francisco, CA (NPI 1033297668).
Provider details
- NPI number
- 1033297668
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G36323 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lenalidomide | 216 | 24 |
| Osimertinib Mesylatebrand: Tagrisso | 73 | 13 |
| Zanubrutinibbrand: Brukinsa | 70 | — |
| Ondansetron Hcl | 52 | 29 |
| Ibrutinibbrand: Imbruvica | 45 | — |
| Prednisone | 40 | 15 |
| Dexamethasone | 39 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-22
Frequently asked questions
- What is Alfredo Lopez's NPI number?
- Alfredo Lopez's National Provider Identifier (NPI) is 1033297668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfredo Lopez's specialty?
- Alfredo Lopez is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Alfredo Lopez located?
- Alfredo Lopez's practice location on file with NPPES is 2200 Ofarrell St, San Francisco, CA 94115-3357.
- What is Alfredo Lopez's phone number?
- The practice phone number listed in the NPPES registry for Alfredo Lopez is (415) 833-2000.
- Does Alfredo Lopez accept Medicare?
- Alfredo Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfredo Lopez's NPI active?
- Yes — Alfredo Lopez's NPI (1033297668) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.