Charles Yen, M.D.
NPI 1215930268 · Hematology & Oncology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Yen, M.D. is a Hematology & Oncology Physician provider in Houston, TX (NPI 1215930268).
Provider details
- NPI number
- 1215930268
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J5662 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
3,031 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 739 | $128 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 515 | $28 |
| Flow Cytometry Technique for Dna Or Cell Analysis, Each Additional Marker88185 | 353 | $23 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 282 | $127 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 220 | $27 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 150 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 131 | 44 |
| Apixabanbrand: Eliquis | 93 | 24 |
| Letrozole | 83 | 26 |
| Lenalidomidebrand: Revlimid | 77 | 14 |
| Prednisone | 75 | 30 |
| Ondansetron Hcl | 70 | 36 |
| Pomalidomidebrand: Pomalyst |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$10,021 across 322 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
- 2005-05-23
- Last updated
- 2014-11-25
Frequently asked questions
- What is Charles Yen's NPI number?
- Charles Yen's National Provider Identifier (NPI) is 1215930268, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Yen's specialty?
- Charles Yen is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Yen located?
- Charles Yen's practice location on file with NPPES is 17323 Red Oak Dr, Houston, TX 77090-1243.
- What is Charles Yen's phone number?
- The practice phone number listed in the NPPES registry for Charles Yen is (281) 440-5006.
- Does Charles Yen accept Medicare?
- Charles Yen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Yen's NPI active?
- Yes — Charles Yen's NPI (1215930268) is active in the NPPES registry as of the last update on 2014-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.