Jason Willis, M.D., PH.D.
NPI 1750700316 · Medical Oncology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Willis, M.D., PH.D. is a Medical Oncology Physician provider in Houston, TX (NPI 1750700316).
Provider details
- NPI number
- 1750700316
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R6312 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 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
492 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 | 181 | $95 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 99 | $97 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 80 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $69 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $144 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 27 | 21 |
| Prochlorperazine Maleate | 27 | 20 |
| Apixabanbrand: Eliquis | 23 | — |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 18 | 16 |
| Doxycycline Hyclate | 17 | — |
| Loperamide Hclbrand: Loperamide | 16 | 15 |
| Fruquintinibbrand: Fruzaqla | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 across 1 record (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
- 2014-04-10
- Last updated
- 2022-02-11
- Certified
- 2022-02-11
Frequently asked questions
- What is Jason Willis's NPI number?
- Jason Willis's National Provider Identifier (NPI) is 1750700316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Willis's specialty?
- Jason Willis is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Willis located?
- Jason Willis's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4000.
- What is Jason Willis's phone number?
- The practice phone number listed in the NPPES registry for Jason Willis is (713) 792-6161.
- Does Jason Willis accept Medicare?
- Jason Willis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Willis's NPI active?
- Yes — Jason Willis's NPI (1750700316) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.