Jason Willis, M.D., PH.D.
Medical Oncology Physician · Houston, TX
Jason Willis, M.D., PH.D. is a medical oncology physician with a practice address in Houston, Texas, and NPI 1750700316, issued on Apr 10, 2014. Check the license (Texas R6312, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jason Willis
- Credential
- M.D., PH.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- R6312 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Apr 10, 2014
- Record last updated
- Feb 11, 2022
- Medicaid ID
- 387864701 TX
- Medicare enrollment
- Enrolled (PECOS I20180522001051); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 547 in Texas → Look up another NPI →
Also registered at 1515 Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Aaroe, MDNeurology Physician1902295793
- Linda Abad, PA-CPhysician Assistant1063928240
- Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
- Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
- James Abbruzzese, M.D.Medical Oncology Physician1134233224
- Karim Abdeldaem, MDEmergency Medicine Physician1558056200
Verify Jason Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R6312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average medical oncology physician in 2024
317 Medicare Part D claims for 57 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 29 claims were for opioids.
Most prescribed
- Ondansetron Hcl27 claims
- Prochlorperazine Maleate27 claims
- Eliquis23 claims
- Diphenoxylate-Atropine18 claims
- Doxycycline Hyclate17 claims
- Fruzaqla16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $48.88
1 payment: food and beverage; the largest payer was Alafair Biosciences, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Physicians Referral ServiceHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Willis among 547 medical oncology physician records in Texas
Jason Willis, M.D., PH.D. is one of 547 medical oncology physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 87% of them.
- NPI issued2014 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2014 · median 2000 among the 414 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Texas
There are 547 medical oncology physician records in Texas.
All 547 in Texas → Every provider in Houston → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Matthew Ellis, MD PHDHouston, TX 770301669495685
- Daniel Epner, M.D.Houston, TX 770301083637151
- Jianjun Gao, M.D.Houston, TX 770301053356873
- Christopher Garrett, MDHouston, TX 770301861417115
- Maura Gillison, MDHouston, TX 770301760436927
- Anneliese Gonzalez, M.D.Houston, TX 770301245234889
- Kirk Heyne, MDHouston, TX 770301346227816
- Milind Javle, MDHouston, TX 770301831196252
Common questions
What is Jason Willis, M.D., PH.D.'s NPI number?
Jason Willis, M.D., PH.D.'s National Provider Identifier (NPI) is 1750700316, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jason Willis, M.D., PH.D. located?
The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.
How can I verify Jason Willis, M.D., PH.D.'s license?
NPPES lists Texas license number R6312, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jason Willis, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Jason Willis, M.D., PH.D. had 317 Medicare Part D claims for 57 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Jason Willis, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.