Courtney Yau, M.D.
NPI 1487812590 · Medical Oncology Physician · Georgetown, TX
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Courtney Yau, M.D. is a Medical Oncology Physician provider in Georgetown, TX (NPI 1487812590).
Provider details
- NPI number
- 1487812590
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- N4860 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
7,420 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 949 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 722 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 570 | $10 |
| Flow Cytometry Technique for Dna Or Cell Analysis, Each Additional Marker88185 | 552 | $24 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 351 | $26 |
| Gammaglobulin (immune System Protein) Measurement82784 | 343 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 138 | 49 |
| Anastrozole | 105 | 37 |
| Rivaroxabanbrand: Xarelto | 88 | 16 |
| Acyclovir | 64 | 17 |
| Gabapentin | 48 | 13 |
| Apixabanbrand: Eliquis | 46 | — |
| Dexamethasone | 37 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$751 across 33 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
- 2008-05-26
- Last updated
- 2024-01-31
- Certified
- 2024-01-31
Frequently asked questions
- What is Courtney Yau's NPI number?
- Courtney Yau's National Provider Identifier (NPI) is 1487812590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Yau's specialty?
- Courtney Yau is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Courtney Yau located?
- Courtney Yau's practice location on file with NPPES is 1500 Rivery Blvd Ste 2215, Georgetown, TX 78628-3064.
- What is Courtney Yau's phone number?
- The practice phone number listed in the NPPES registry for Courtney Yau is (512) 687-2300.
- Does Courtney Yau accept Medicare?
- Courtney Yau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Courtney Yau's NPI active?
- Yes — Courtney Yau's NPI (1487812590) is active in the NPPES registry as of the last update on 2024-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.