Wei Wang, MD, PHD
NPI 1861482853 · Medical Oncology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wei Wang, MD, PHD is a Medical Oncology Physician provider in San Francisco, CA (NPI 1861482853).
Provider details
- NPI number
- 1861482853
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00039979 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,038 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 200 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 181 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 175 | $154 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 154 | $109 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 131 | $175 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 306 | 79 |
| Osimertinib Mesylatebrand: Tagrisso | 97 | — |
| Tamoxifen Citrate | 73 | 22 |
| Trastuzumab-Qyypbrand: Trazimera | 61 | — |
| Omeprazole | 26 | — |
| Letrozole | 22 | — |
| Pantoprazole Sodium | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,432 across 53 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
- 2005-10-21
- Last updated
- 2007-07-16
Frequently asked questions
- What is Wei Wang's NPI number?
- Wei Wang's National Provider Identifier (NPI) is 1861482853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wei Wang's specialty?
- Wei Wang is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Wei Wang located?
- Wei Wang's practice location on file with NPPES is 2100 Webster St, San Francisco, CA 94115-2373.
- What is Wei Wang's phone number?
- The practice phone number listed in the NPPES registry for Wei Wang is (415) 885-8600.
- Does Wei Wang accept Medicare?
- Wei Wang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wei Wang's NPI active?
- Yes — Wei Wang's NPI (1861482853) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.